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Nec Corporation patents


Recent patent applications related to Nec Corporation. Nec Corporation is listed as an Agent/Assignee. Note: Nec Corporation may have other listings under different names/spellings. We're not affiliated with Nec Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nec Corporation-related inventors


 new patent  Radio access management system

A radio access management system includes a radio access network including a number of base stations; a backhaul network to which the base stations are connected via backhaul links, and a backhaul resource controller configured to acquire information about both the load of the radio access network and of the backhaul network and to at least one of suggest or enforce handovers of user terminals connected to the base stations based on the acquired load information. The backhaul resource controller is connected via a first interface to a local cluster of base stations, wherein the local cluster of base stations includes at least a subset of the base stations.. ... Nec Corporation

 new patent  Base station apparatus and method thereof

A secondary base station (2) receives an senb addition request message (302) from a second master base station (3) while providing a radio terminal (4) with a secondary cell group (scg) for dc in cooperation with a first master base station (1). If the senb addition request message (302) explicitly or implicitly indicates that a master base station in dc for the radio terminal (4) is to be changed from the first master base station (1) to the second master base station (3), the secondary base station (2) considers that the senb addition request message (302) requests modification of the scg that has already been configured. ... Nec Corporation

 new patent  Wireless communication system, base station device, move control node, and method of wireless communication

A base station is provided. The base station includes a transmitter and a receiver. ... Nec Corporation

 new patent  Method and apparatus for radio communication

A radio terminal (1) selects, from a resource pool in a discovery period, ntx sets of resource blocks for ntx transmissions of a discovery signal based on a first value n1 that is a resource value autonomously selected by the radio terminal (1) or is a parameter received from a base station (2). A frequency domain shift from a second resource block set used in (j−1)th transmission (j is an integer no less than 2) to a first resource block set used in j-th transmission of the discovery signal in the discovery period depends on at least one of the first value n1 and a frequency domain position of the second resource block set in the resource pool. ... Nec Corporation

 new patent  Terminal device, control method, and recording medium storing control program

In a network system in which a plurality of data utilizing networks are present, in order to achieve both prevention of data spread across different data utilizing networks and an increase in the number of terminals configuring a data forwarding network, a terminal device that reproduces and forwards data by the store-and-forward system determines participation in a data forwarding network and a data utilizing network by managing network control information for network control and data access control information for data access control simultaneously with data.. . ... Nec Corporation

 new patent  Modularized software system for managing a plurality of disparate networks

Converged network management application and system is provided that delivers a management platform as a service that can view and/or manage all managed networks in the aggregate, or any one of them individually (including individual devices within the managed networks), in a secure and efficient manner, providing continuously available intelligence in real time on the managed networks and systems, and overcoming integration issues including conflicting address schemas, the need to avoid unnecessary infrastructure, and the need acquire all necessary information in real time within applicable memory and bandwidth constraints.. . ... Nec Corporation

 new patent  Method for providing a space puzzle

A method for providing a space puzzle includes computing, by a puzzle generating entity (pge), a master secret key (msk), a public key (pk), a random predicate (rp), and a secret key (sk) using the computed msk and the computed rp; providing, by the pge, a challenge comprising the pk and the sk to a proving computing entity; computing, by the proving computing entity, a response to the challenge using a size of the rp by computing a higher dimensional virtual structure; encrypting each row of the higher dimensional structure with the pk; decrypting the encrypted rows using the sk to obtain a decrypted predicate; recomputing the rp using the decrypted predicate and the higher dimensional virtual structure to provide a recomputed random predicate; and verifying the provided challenge by comparing the recomputed random predicate with the rp.. . ... Nec Corporation

 new patent  Dual connectivity in heterogeneous cellular networks

Methods and systems for assigning users to nodes include assigning user devices to respective macro nodes in a wireless network. Each of the user devices is assigned to a respective pico node in the wireless network. ... Nec Corporation

 new patent  Signal detection device and signal detection method

A signal detection device including: a comparison unit that obtains data including central frequencies of optical signals respectively transmitted by a plurality of optical transmitters and a central frequency interval indicating the interval between the central frequencies, power measurement values obtained by measuring, at sampling point frequencies arranged at a prescribed sampling interval, the power of a wdm signal for which the wavelength of optical signals has been multiplexed, a sampling interval, and sampling point frequencies, that selects a selection value from among the power measurement values on the basis of the central frequency interval and the sampling interval, and that outputs a result of comparison between the selection value and a prescribed threshold; and an alarm generator that outputs a signal interruption alarm in a case where the comparison result indicates that the selection value is less than the threshold.. . ... Nec Corporation

 new patent  Wireless communication device

A wireless communication device includes a reflecting plate having a reflecting surface that reflects electromagnetic wave, a radome covering the reflecting plate so as to form an airflow path between the radome and the reflecting surface, and including an air inlet and an air outlet communicating with the airflow path, an array antenna provided on the reflecting surface and inside the airflow path, and including a plurality of antenna elements aligned on the reflecting surface with an interval from each other, and a communication circuit that transmits and receives a wireless signal by exciting the array antenna. The plurality of antenna elements each include an antenna pattern formed on a plate-shaped dielectric substrate extending from the reflecting surface in a direction orthogonal thereto. ... Nec Corporation

 new patent  Band pass filter and method for controlling the same

A band pass filter suitable for varying the center frequency of the passband and a method for controlling the band pass filter are provided. A band pass filter of the present invention includes: two te01δ-mode dielectric resonators (10) and (20) disposed so as to oppose to each other; and a housing (30) made of metal enclosing the two dielectric resonators (10) and (20). ... Nec Corporation

 new patent  Lithium ion secondary battery

Use of a silicon-based material in a negative electrode of a lithium ion secondary battery results in a decrease in discharge capacity and an increase in internal resistance. In order to overcome this, the lithium ion secondary battery according to the present invention is characterized in having a negative electrode comprising a carbon nanotube having a peak between 2600 and 2800 cm−1 in a raman spectrum obtained by raman spectroscopy, a graphite, and a silicon oxide having a composition represented by siox (0<x≤2).. ... Nec Corporation

 new patent  Irradiation system, irradiation method, and program storage medium

Provided is an irradiation system for reliably detecting a desired detection target and precisely irradiating marking light on the detected detection target. The irradiation system includes: a server device detecting, by authentication processing, a detection target from image data capturing a monitored area, generating, from each piece of a plurality of pieces of image data captured in a time span including a capture time of image data in which the detection target is detected, lightweight data obtained by lightening an amount of data in the plurality of pieces of image data, and transmitting tracking data obtained by aggregating a plurality of pieces of generated lightweight data; and a terminal device capturing the monitored area and outputting image data, transmitting the captured image data to the server device and also receiving the tracking data from the server device, and irradiating light on the detection target, based on the received tracking data.. ... Nec Corporation

 new patent  Information processing system, storage control apparatus, storage control method, and storage control program

There is provided a storage control apparatus for improving the access performance of a storage medium and prolonging the life of the storage medium while suppressing an increase in fragmentation and a delay in normal write processing by avoiding frequent occurrence of rearrangement processing. This storage control apparatus includes a fragmentation evaluator that evaluates a degree to which data corresponding to a logical address area in a logical address space used by a host computer to access the storage medium is fragmented and stored in a plurality of physical address areas in a physical address space used in the storage medium, a timing selector that selects a timing of performing evaluation by the fragmentation evaluator, and a rearrangement instructor that instructs execution of data rearrangement processing of rearranging the data corresponding to the logical address area to be written in continuous physical address areas in the storage medium, based on the degree evaluated by the fragmentation evaluator at the timing.. ... Nec Corporation

07/12/18 / #20180196491

 new patent  Information processing apparatus, device, information processing system, information processing method, and information processing program

To prolong the life of the battery of a device and reduce the labor of replacing the battery of the device, as compared with a conventional technique, an information processing apparatus includes a receiver that receives, from the device, device information including information acquired by the device and remaining capacity information indicating a battery remaining capacity of the device, and a period setting unit that sets, if the receiver receives the device information, a temporary storage period of the acquired information in a temporary storage unit based on the remaining capacity information included in the device information. Alternatively, an information processing apparatus includes a receiver that receives, from a device for converting acquired information into a transmission signal and transmitting the transmission signal, the transmission signal, a battery remaining capacity calculator that calculates, based on the transmission signal, a remaining capacity of a battery for driving the device, and a period setting unit that sets a temporary storage period of the acquired information in a temporary storage unit based on remaining capacity information indicating the remaining capacity of the battery.. ... Nec Corporation

07/12/18 / #20180196335

 new patent  Image display device and image display method

An image display device includes: a light source unit that sequentially supplies light of a plurality of colors; an image formation unit that is provided with a pixel region that is made up of a plurality of pixels, light of a plurality of colors supplied by the light source unit sequentially irradiating the pixel region, and images of a plurality of colors being sequentially formed by the modulation of the incident light by each of the pixels; and a controller that controls the image-forming operation of the image formation unit. The controller causes formation of images of at least one color among the plurality of colors with pixel combinations made up of a plurality of pixels as pixel units and individually controls each pixel that make up the pixel combinations.. ... Nec Corporation

07/05/18 / #20180192458

Radio terminal, d2d communication control apparatus, base station, preliminary relay radio terminal selection method, non-transitory computer readable medium

. . . . A d2d communication control apparatus (10) according to the present invention includes: a communication unit (11) configured to receive determination information that can be used to determine whether a plurality of radio terminals are capable of performing direct communication with another radio terminal; and a selection unit (12) configured to select, in a situation in which a first radio terminal included in the plurality of radio terminals is performing d2d communication with a relay radio terminal that performs cellular communication with a network, a radio terminal in which the determination information between the radio terminal and the relay radio terminal satisfies a predetermined condition among radio terminals capable of performing d2d communication with the first radio terminal, as a preliminary relay radio terminal.. . ... Nec Corporation

07/05/18 / #20180192453

Communication system, communication method, and recording medium in which communication program is recorded

To provide a communication system in which, when a wireless link between a reception-side device and a base station is in a state in which communication is possible, communication between a transmission-side device and the reception-side device is quickly reopened and packets can be appropriately transmitted and received. A communication system 10 is provided with a transmission-side device 20 and a relay communication device 31. ... Nec Corporation

07/05/18 / #20180192336

Radio access network control method and radio access network

In radio access network (ran) 1 of the present invention, the configuration of radio network controller (rnc) 4 is physically separated into control plane controllers (cpe) 41a-41b for controlling signalling and user plane controllers (upe) 42a-42c for controlling user data. User plane controllers 42a-42c report their own status information (traffic information/used channel bandwidth information/alarm information) to control plane controllers to which they belong, and control plane controllers 41a-41b manage the status information of the user plane controllers for each of user plane controllers subordinate thereto.. ... Nec Corporation

07/05/18 / #20180192322

Header compression optimization method during and after handovers in cellular communication network

The present invention concerns a method for optimizing rohc rtp (robust header compression real time protocol) compression applied to ip header of data packets stream so as to use more compact formats enable to remain in a steady state, to never discard received packet, and to serve radio resources without requiring to modify rohc specification. In the method, when handover or mobility procedure is started, new reference values are normally added to a sliding compression window, but no reference value is removed from the window as long as the handover or mobility procedure is on going. ... Nec Corporation

07/05/18 / #20180192257

Mobile communication system, core network node, control station, base station, communication method and program

A mobile communication system of the present invention is a mobile communication system including a mobile station, base stations each of which forms a cell and transmits mbms data to the mobile station existing in the cell, control stations each of which controls a base station connected thereto, and further including a core network node that instructs each of the control stations connected thereto with respect to the frequency and timing for transmitting mbms data in the cell, wherein each of the control stations establishes time synchronization with another control station and instructs the connected base station to set the cell to the frequency designated by the core network node and transmits, to the connected base station, the mbms data in accordance with the transmission timing designated by the core network node and the mobile station then receives the mbms data.. . ... Nec Corporation

07/05/18 / #20180192013

Image display device and image display method

The image display device of the present invention includes: a light source unit; image formation means that is provided with a pixel region made up of a plurality of pixels, light supplied from the light source unit being incident to this pixel region, and an image being formed by the modulation of the incident light by each of the pixels; and a control means (10) that controls the image-forming operation of the image formation means. The control means causes formation of an image with pixel combinations formed from a plurality of pixels as pixel units and individually controls the on state and off state of each pixel that makes up the pixel combinations.. ... Nec Corporation

07/05/18 / #20180192006

Surveillance system with fixed camera and temporary cameras

A surveillance system including a fixed camera and one or more temporary cameras and a control means coupled to the fixed camera and the one or more temporary cameras is disclosed. The control means is configured to extend coverage of the fixed camera using the one or more temporary cameras coupled to the fixed camera. ... Nec Corporation

07/05/18 / #20180191812

Information processing device, information processing system, information processing method, and non-transitory computer-readable storage medium

An information processing device for transmitting data collected from terminals to a data processing device is provided such that an increase in the amount of calculation associated with an increase in the scale of a machine-to-machine service platform can be sufficiently reduced. The information processing device is provided with: a reception means for receiving, from the data processing device, load state information indicating a load state of the data processing device; a collection means for collecting data transmitted by the terminals; a selection means for selecting, on the basis of the load state information, transmission data from among the data collected from the terminals; and a transmission means for transmitting the selected transmission data to the data processing device.. ... Nec Corporation

07/05/18 / #20180191786

Communication system

A communication entity includes a proxy call session control function (p-cscf). The p-cscf includes a transceiver and a controller. ... Nec Corporation

07/05/18 / #20180191614

Communication system, control apparatus, communication apparatus, communication control method, and program

A communication system includes a communication apparatus configured to process a packet, and a controller configured to set the communication apparatus for processing a packet. The controller includes a memory storing instructions, and a processor configured to execute program instructions to determine a forwarding path for a packet addressed to a virtual machine based on an access rule indicating connectivity between virtual machines in accordance with an arrangement of the virtual machine, and set the communication apparatus for processing the packet.. ... Nec Corporation

07/05/18 / #20180191502

Method for storing an object on a plurality of storage nodes

A method for storing an object on storage nodes includes encrypting an object to be stored with a key. One or more hash values are computed for the object. ... Nec Corporation

07/05/18 / #20180191043

System for cooling components arranged within an enclosure

A method of cooling a rack of heat dissipating components comprises cooling air, and porting the cooled air into a volume in front of the rack from above the volume. The method further comprises moving the cooled air from the volume in front of the rack to a plenum at a rear portion of the rack to pressurize the plenum. ... Nec Corporation

07/05/18 / #20180190894

Thermoelectric conversion element and method of manufacturing the same, and heat radiation fin

A thermoelectric conversion element includes: a magnetic body having a magnetization; and an electromotive body formed of material exhibiting a spin orbit coupling and jointed to the magnetic body. The magnetic body has an upper joint surface jointed to the electromotive body. ... Nec Corporation

07/05/18 / #20180190311

Signal processing apparatus, signal processing method, and signal processing program

A signal processing apparatus, for processing sounds collected in an environment where a target sound and an interfering sound are mixed in order to estimate a diffuse interfering sound accurately, is provided. The signal processing apparatus includes phase difference calculating means and generating means. ... Nec Corporation

07/05/18 / #20180189687

Terminal apparatus, reservation server, and processing method of terminal apparatus

According to the present invention, a terminal apparatus is provided which includes an information acquisition unit that transmits, to a reservation server, terminal information indicating a position of an own terminal, and receives, from the reservation server, facility information indicating a facility and a position thereof, a positional relationship between the facility and the own terminal satisfying a predetermined condition; a display control unit that causes a display unit to display a camera-generated image generated by a camera and to display a reservation button on the camera-generated image at a position corresponding to the position of the facility indicated by the facility information; and a reservation processing unit that executes, when the reservation button is operated, reservation processing for reserving the facility corresponding to the reservation button.. . ... Nec Corporation

07/05/18 / #20180189551

Facial recognition system

Various embodiments of a facial recognition system are provided. In one embodiment, a processor determines a value for a lighting parameter associated with a captured facial image, determines whether any previously obtained images in a biometric database includes a similar value for the lighting parameter and, if not, stores the newly captured image in the database along with the lighting parameter value. ... Nec Corporation

07/05/18 / #20180188456

Pluggable optical module and optical communication system

A pluggable optical connector is configured to be insertable into and removable from an optical communication apparatus, and to be capable of communicating a modulation signal and a data signal with the optical communication apparatus. A wavelength-tunable light source is configured to output an output light and a local oscillation light. ... Nec Corporation

07/05/18 / #20180188135

Device and specification method

The present invention addresses the problem of the inability to sufficiently reduce manufacturing cost for specifying a faulty section of an optical fiber. The device according to the present invention is a device connected to an optical fiber into which light reflection elements that reflect a fixed amount of light are inserted, said device being provided with a transmission means for transmitting light to the optical fiber and stopping the transmission, a measurement means for measuring the intensity of the reflection light reflected by the light reflection elements, a time measurement means for measuring the time from the stopping of the transmission of the light by the transmission means to the reduction of the intensity of the reflection light measured by the measurement means to a prescribed value or less, a distance measurement means for calculating a distance corresponding to the time measured by the time measurement means, and an output means for outputting a signal indicating the distance.. ... Nec Corporation

07/05/18 / #20180188104

Signal detection device, signal detection method, and recording medium

Even a small sound for which a change in a histogram is small can be accurately detected. A signal detection device includes signal input means for inputting signals acquired by a plurality of sensors, cross-correlation function calculation means for calculating cross-correlation functions for each predetermined number of samples, based on the signals, and background noise model derivation means for deriving a background noise model, based on the cross-correlation functions; and detection means for detecting a change in the signals, based on comparison of values of the cross-correlation functions with the background noise model.. ... Nec Corporation

06/28/18 / #20180184516

Printed wiring board

An objective of the present invention is to provide a printed board capable of suppressing emi emissions from an electric cable. To accomplish the objective, the present invention is a printed board including a signal wiring to which an electric cable is connected, the printed board including: ground layers above and below the signal wiring put on upper and lower sides of the signal wiring to which the electric cable is connected; and a plurality of through holes connecting the ground layers above and below the signal wiring, wherein the plurality of the through holes are disposed at and near the signal wiring and are spaced apart at intervals according to a wavelength corresponding to a maximum frequency of electromagnetic waves to be suppressed.. ... Nec Corporation

06/28/18 / #20180184462

Radio communication system, communication apparatus, radio communication network system and method therefor

A radio communication system provided with a communication device and a radio communication network system is characterized by comprising a transmission delay estimate information transmitting means for transmitting transmission delay estimate information to the radio communication network system when the transmission condition of the transmission delay estimate information is met.. . ... Nec Corporation

06/28/18 / #20180184436

Apparatus and method for selecting relay

A relay selecting apparatus (1, 3 or 5) is configured to select at least one specific relay terminal (2) suitable for a remote terminal (1) from among one or more relay terminals (2) based on a selection criterion that considers a time variation of a device-to-device (d2d) link quality between the remote terminal (1) and each of the one or more relay terminals (2). In this way, it is possible to contribute to improving a relay selection so as to provide a stable relay quality.. ... Nec Corporation

06/28/18 / #20180184357

Communication device and information delivery system

In order to shorten information delivery time, a communication device that transmits delivery information to another terminal comprises: a determination processing unit which, on the basis of a delivery destination of the delivery information, place information at the present time of the communication device, and delivery place information that associates the delivery destination and a copy destination, determines whether the delivery of the delivery information is permitted or not; and a transmission processing unit which, only when the determination processing unit determines that the delivery is permitted, transmits the delivery information to the other terminal.. . ... Nec Corporation

06/28/18 / #20180184347

Wireless terminal and method of operating

A wireless terminal can communicate with a first network of first type and a second network of second different type. The wireless terminal performs a packet-domain attachment to the first network and initiates a ready timer indicating that the wireless terminal is in an attached state and has recently sent data to the first network. ... Nec Corporation

06/28/18 / #20180184331

Network management system and method for a shared radio access network, ran, infrastructure

A network management system for a shared radio access network (ran) infrastructure provided by a mobile network operator includes a master operator network manager of the mobile network operator for managing the shared ran infrastructure; one or more tenants configured to receive resource allocations from the master operator network manager; and a capacity or resource broker configured to decide on the resource allocations to the one or more tenants, wherein the capacity or resource broker resides inside the network of the mobile network operator.. . ... Nec Corporation

06/28/18 / #20180184277

Communication apparatus, terminal, and communication method

A communication apparatus includes a location information acquisition unit that acquires location information of a terminal, a reception unit that receives a call request transmitted by the terminal, a service identification unit that identifies a service of the request based on the location information of the terminal and a destination telephone number of the request, and a transmission unit that transmits a response to the terminal, when the service corresponding to the request cannot be provided. . ... Nec Corporation

06/28/18 / #20180184258

Mobile radio communications device for closed subscriber group management

The present invention provides for a mobile radio communications device, and related method of operation, arranged for closed subscriber group selection and for the storage of closed subscriber group information in the device, the stored information including information configured as a whitelist of closed subscriber group identities delivered between non-access-stratum layer and access-stratum layer within the device, and the device being further arranged to remove a previous user-selected closed subscriber group identity from the whitelist responsive to the device connecting to a cell is different from that identified by the previous user-selected closed subscriber group identity, and which different cell can comprise for example a non-csg cell.. . ... Nec Corporation

06/28/18 / #20180184044

Communication system and communication method

A communication system induces communication between different base sites, which includes a video display unit disposed by corresponding to a flow line set on a floor face of a first base site out of the different base sites, and an imaging device which captures a state of a second base site out of the different base sites. The flow line is a route along which persons go back and forth on the floor face of the base site and the video display unit displays the video captured by the imaging device to transmit the state within the second base site as video information toward the corresponding flow line side of the first base site.. ... Nec Corporation

06/28/18 / #20180183824

Peer-based abnormal host detection for enterprise security systems

Systems and methods for determining a risk level of a host in a network include modeling a target host's behavior based on historical events recorded at the target host. One or more original peer hosts having behavior similar to the target host's behavior are determined. ... Nec Corporation

06/28/18 / #20180183742

Notification apparatus, notification method, and storage medium

A notification apparatus according to an example aspect of the invention includes a memory that stores instructions; and at least one processor coupled to the memory, the at least one processor being configured to executing the instructions to: determine a second terminal from a plurality of terminals based on a distance between each of the plurality of terminals and a first terminal in a particular state; and perform a notification to a manager of the second terminal, the notification relating to a situation where the first terminal is in the particular state.. . ... Nec Corporation

06/28/18 / #20180183709

Communication node, communication system, communication method, and program

A communication node comprises a flow table that stores a flow entry defining how a packet is processed; a control part that updates the flow table according to an instruction from a predetermined control apparatus; a packet processing part that processes a received packet by referring to the flow table; and a control apparatus proxy part that creates a flow entry for realizing new communication in cooperation with control apparatus proxy parts of other communication nodes in place of the predetermined control apparatus when the new communication occurs in a state in which the instruction from the control apparatus cannot be received. The communication node sets the flow entry for realizing the new communication in the flow table and processes packets belonging to the new communication until an instruction from the predetermined control apparatus can be received.. ... Nec Corporation

06/28/18 / #20180183681

Behavior-based community detection in enterprise information networks

Methods and systems for detecting host community include modeling a target host's behavior based on historical events recorded at the target host. One or more original peer hosts having behavior similar to the target host's behavior are found by determining a distance in a latent space that embeds the historical events between events of the target host and events of the one or more original peer hosts. ... Nec Corporation

06/28/18 / #20180183680

Behavior-based host modeling

Methods and systems for modeling host behavior in a network include determining a first probability function for observing each of a set of process-level events at a first host based on embedding vectors for the first event and the first host. A second probability function is determined for the first host issuing each of a set of network-level events connecting to a second host based on embedding vectors for the first host and the second host. ... Nec Corporation

06/28/18 / #20180183611

Method and system for providing a proof-of-work

A method for providing a proof-of-work includes computing, by a verification computing device (vcd), a first linear feedback shift register sequence (lfsr-s) using a first polynomial having a first degree and computing, by the vcd, a second lfsr-s based on a second polynomial. A challenge, generated by the vcd and using elements of the second lfsr-s, is transmitted to the pcd. ... Nec Corporation

06/28/18 / #20180183571

Method for providing encrypted data in a database and method for searching on encrypted data

A method for providing encrypted data in a database includes randomly encoding stored information. Each information part having a same part index number is added to a group having the same part index number. ... Nec Corporation

06/28/18 / #20180183533

Terminal apparatus, information providing system, terminal apparatus processing method, and program

Provided is a terminal apparatus including a target data acquisition unit configured to acquire target data which is: superimposed data obtained by superimposing spread encoded data on non-spread encoded audio data, the spread encoded data obtained by encoding information using a spreading code; or data obtained by converting sound reproduced on the basis of the superimposed data into an electrical signal; and an information extraction unit configured to retain multiple spreading codes and extract the information from the target data using a spreading code selected by a user.. . ... Nec Corporation

06/28/18 / #20180183314

Voltage adjusting circuit and method for adjusting voltage

A voltage adjusting circuit includes a variable current generating means for generating a variable current to be supplied to a power source line, a decision voltage generating means for generating a decision voltage by using a power source voltage of the power source line, and power source noise detecting means for detecting power source noise of the power source line by using the power source voltage of the power source line and the decision voltage.. . ... Nec Corporation

06/28/18 / #20180183135

Antenna, radio device, mounting device, and charging device

In order to implement an external antenna of a radio device with a simple configuration, an antenna according to the present invention includes: a conductor plate; a first linear conductor including a portion disposed substantially in parallel to an edge of the conductor plate, and being curved halfway and connected to the conductor plate with a gap being interposed; a second linear conductor intersecting with a line extending from an end of the first linear conductor opposite to a connection end thereof connected to the conductor plate, and being connected to the conductor plate; a third linear conductor being connected to an end of the second linear conductor opposite to an end thereof connected to the conductor plate, and being disposed substantially in parallel to the first linear conductor; and a fourth linear conductor being disposed in a direction apart from the conductor plate at an end of the third linear conductor opposite to an end thereof connected to the second linear conductor.. . ... Nec Corporation

06/28/18 / #20180183124

Non-reciprocal circuit element and wireless communication device

The present surface mount technology non-reciprocal circuit element (1) includes a ferromagnetic material (14) placed above a circuit board (11), and a conductor cover (13). The conductor cover (13) is composed of a main unit (12) located above the ferromagnetic material (14) and connecting members (17_1, 17_2, 17_3) for electrically connecting the main unit (12) with transmission lines (18_1, 18_2, 18_3) on the circuit board (11), respectively. ... Nec Corporation

06/28/18 / #20180183099

Non-aqueous electrolytic solution and lithium ion secondary battery

The present invention provides a non-aqueous electrolytic solution comprising a phosphinoamine-based compound represented by formula (1) below and a lithium ion secondary battery comprising the non-aqueous electrolytic solution. By adding the phosphinoamine-based compound to the non-aqueous electrolytic solution, oxidative degradation in the non-aqueous electrolytic solution is suppressed, and thus gas generation is suppressed.. ... Nec Corporation

06/28/18 / #20180183091

Method of manufacturing lithium-ion secondary battery and method of evaluating lithium-ion secondary battery

A method of manufacturing a lithium-ion secondary battery of the present invention includes at least four steps as follows: an initial charging step of charging the lithium-ion secondary battery, which has not been subjected to initial charging, under a temperature environment ranging of equal to or higher than −20° c. And equal to or lower than 15° c.; an aging step of leaving the lithium-ion secondary battery under a temperature environment ranging of equal to or higher than 30° c. ... Nec Corporation

06/28/18 / #20180183000

Organic el device, organic el lighting panel, organic el lighting apparatus, and organic el display

The present invention provides an organic el device that can prevent an organic el layer(s) from being damaged when the organic el device is bent. An organic el device (10) of the present invention includes: a first substrate (11); a second substrate (12); one or more organic el elements; and a sealing layer (14). ... Nec Corporation

06/28/18 / #20180181940

Pos terminal device, information processing device, information processing system, image recognition method, and image recognition program

A pos terminal device is provided with: a memory unit for storing subject information in which a subject and specific information are associated; an imaging unit for imaging a subject and generating an image; and a specific information estimation unit for estimating, on the basis of the subject information, the specific information associated with the subject imaged by the imaging unit.. . ... Nec Corporation

06/28/18 / #20180181913

Shelf allocation assistance device, shelf allocation assistance system, shelf allocation assistance method, and recording medium

Provided is a feature for generating a recommended shelf allocation indicating the state in which products are displayed, the recommended shelf allocation including a state in which specified products are displayed in more effective positions. The present invention is provided with: a generation means for generating a plurality of shelf allocation candidates indicating the state in which a plurality of products including the specified products are displayed on product shelves; a prediction means for predicting the sales of the specified products for the plurality of shelf allocation candidates, on the basis of the positional relationships among the products displayed on the product shelf, and of the relationships with sales of the products; and a selection means for selecting the shelf allocation candidates on the basis of the results of the predictions.. ... Nec Corporation

06/28/18 / #20180181883

Information processing device, information processing system, information processing method, and storage medium

An information processing device according to the present invention includes: a dissimilarity calculator that calculates dissimilarity that is a distance between already received first alert information, and newly received second alert information; a machine learning generator that generates a classifier by applying machine learning to the first alert information, and determines a classification result by applying the classifier to the second alert information; and a determiner that sets the determination result and information indicating that presentation is unnecessary for the second alert information, when the determination result is false detection and the dissimilarity is less than a threshold value, and sets information indicating that presentation is necessary for the second alert information, when the determination result is true detection, or when the determination result is false detection and the dissimilarity is equal to or more than a threshold value.. . ... Nec Corporation

06/28/18 / #20180181875

Model selection system, model selection method, and storage medium on which program is stored

In this invention, a property of a prediction target or analysis target can be predicted or analyzed with a high degree of precision during a transition from a stage in which there is extremely little or no known data about said prediction target or analysis target to a stage in which a sufficient amount of known data has been accumulated. This learning-model selection system comprises a model-evaluating means for evaluating learning models and a model-selecting means for selecting either a target learning model or a higher-order learning model on the basis of the result of the evaluation.. ... Nec Corporation

06/28/18 / #20180181614

Data search method, data search device, and data search program

A data search device includes a prediction unit that predicts a resource amount to be used in query processing scheduled to be executed, using a relationship between query processing executed in a past and a resource amount used in the query processing, and a change unit that changes an upper limit value of a resource amount usable in query processing to the predicted resource amount to be used in the query processing scheduled to be executed for which execution has been permitted.. . ... Nec Corporation

06/28/18 / #20180181424

Virtualized network function management apparatus, virtual machine management apparatus, method for allocating resources to virtual network function, and program

A virtualized network function management apparatus includes: an orchestration part; a virtualized network function management part; a storage part that holds priority hardware information in which a combination of physical resources, for an individual virtualized network function, as a deployment candidate of the virtualized network function is associated with information about a priority set to the combination of physical resources; and a virtualized infrastructure management part. The virtualized infrastructure management part reserves a combination of physical resources that satisfies resource and constraint information necessary for the virtualized network function in accordance with the priorities in the priority hardware information. ... Nec Corporation

06/28/18 / #20180181399

Information processing device, information processing method, and storage medium

An information processing device according to an example aspect of the invention includes a detection circuit a compilation execution circuit. A detection circuit is configured to detect an access to a storage by an instruction execution processor, the instruction execution processor retrieving an instruction different from a native code from the storage and executing the instruction after interpretation. ... Nec Corporation

06/28/18 / #20180181362

Multi-display system

A multi-display system includes a plurality of display apparatuses which include a control section that controls operation of the display section and the communication section in response to an input to the operation input section. The control section sends picture position information including a first picture position corresponding to a currently displayed partial picture to at least the display apparatus displaying the partial picture corresponding to a second picture position via the communication section when the control section is instructed to change the picture position and is notified about the second picture position via the operation input section, and causes the display section to display the partial picture corresponding to the second picture position.. ... Nec Corporation

06/28/18 / #20180181308

Storage apparatus, storage apparatus backup method, storage apparatus backup system, and storage medium

A storage apparatus includes a backup controller and a remote copy controller. The backup controller identifies a common data area being an area storing data common to a first volume and a second volume, each of the volumes including a storage area capable of storing data. ... Nec Corporation

06/28/18 / #20180181278

Information processing apparatus having a contact detection unit capable of detecting a plurality of contact points, storage medium having program recorded thereon, and object movement method

An information processing apparatus has a display unit operable to display an object, a contact detection unit operable to detect a plurality of contact points on the display unit, and a control unit operable to control the object displayed on the display unit so as to be movable with use of the contact detection unit. When the control unit detects contact with a display range of the object displayed on the display unit with use of the contact detection unit, detects contact with an active range of a display screen other than the display range of the object, and further detects a movement instruction to the object, then the control unit controls the object so as to be movable within the active range. ... Nec Corporation

06/21/18 / #20180176840

Mobile communication system, radio base station controller, and relocation method

Radio base stations connect by radio lines with radio terminals in cells that make up each radio base station and relay data communication realized by the radio terminals on bearers on radio lines. Base station controllers record correspondence information of the data flow of data communication with the radio terminals and the bearers on the radio lines and, by referring to the correspondence information, effects termination of data communication with the radio terminals. ... Nec Corporation

06/21/18 / #20180176838

Mobile communication system, sgw, terminal communication method and control method

A bearer management device that performs control to reliably receive an incoming packet call that is made while a mobile terminal device is moving is provided. A bearer management device (10) includes an incoming call control unit (11) that, in the case where a mobility management device (30) manages a location of a mobile terminal device (40) as a result of movement of the mobile terminal device (40) whose location has been managed by a mobility management device (20), suspends processing of an incoming call to the mobile terminal device (40) made during movement of the mobile terminal device (40) until receiving a notification about completion of movement of the mobile terminal device (40) from the mobility management device (30), and resumes incoming call processing to the mobile terminal device (40) after receiving a notification about completion of movement of the mobile terminal device (40) from the mobility management device (30).. ... Nec Corporation

06/21/18 / #20180176811

Communication system

A system (1) is disclosed in which a communication device (3-1) provides measurement reports to a relay mobile communication device (3-3). The communication device (3-1) connects to a relay cell operated by the relay mobile communication device (3-3) and receives configuration data for at least one trigger event for triggering measurement reporting for at least one cell. ... Nec Corporation

06/21/18 / #20180176764

Management device, access point and information collection method

A communications system that facilitates installation of an access point includes an access point, an aggregation device, and a management device. The access point: broadcasts an identifier identifying each of multiple wireless networks; and outputs, as access information, access by a terminal using the identifier. ... Nec Corporation

06/21/18 / #20180176759

Method and apparatus for radio communication

A radio terminal (1) selects, from a resource pool in a discovery period, ntx subframes for ntx times of transmission of a discovery signal in the discovery period based on a first value n1 of a resource value autonomously selected by the radio terminal (1) or a first value n1 of a parameter received from a base station (2). The ntx subframes selected based on the value n1 are selected so as to share at least one common subframe with ntx subframes selected based on a second value, different from the first value n1, and so as to include at least one subframe different from any of the ntx subframes selected based on the second value. ... Nec Corporation

06/21/18 / #20180176725

Method and network for discovering a set of objects within a defined geographical space

A method for discovering a set of objects within a defined geographical space, wherein the objects in the set of objects match at least one predefined characteristic, and wherein object information regarding the at least one predefined characteristic is provided by different servers, includes discovering objects within the defined geographical space by a geo discovery request based on geographical coordinates; finding, from the discovered objects, a starting object matching the at least one predefined characteristic within a definable sub-space of the defined geographical space; ranking objects within the definable sub-space by increasing distance to the starting object to establish a rank; sending a query to one or more of the different servers for gathering object information regarding a first object in the rank which is located nearest to the starting object; checking whether the first object in the rank matches the at least one predefined characteristic.. . ... Nec Corporation

06/21/18 / #20180176567

Moving image coding device, moving image coding method and recording medium for storing moving image coding program

Provided is a moving image coding device capable of executing coding processing including stable rate control processing at high speed without greatly increasing computation amount. A moving image coding device 10 is provided with: a quantization unit 11 that quantizes image data constituting an image to be coded using a plurality of quantization parameters on a quantization-parameter-by-quantization-parameter basis; a storage unit 12 that stores a plurality of pieces of quantized image data in association with the quantization parameters used at the time of quantization; an extraction unit 13 that extracts, from the storage unit 12, predetermined quantized image data using a predetermined quantization parameter; a coding unit 14 that codes the extracted predetermined quantized image data; and a determination unit 15 that on the basis of the result of coding by the coding unit 14, determines a predetermined quantization parameter used when the extraction unit 13 next extracts predetermined quantized image data.. ... Nec Corporation

06/21/18 / #20180176280

Data compression device and data compression approval device

A data compression device (e.g. A server device for relaying streaming contents) determines whether or not congestion occurs in a communication network for communicating with a data compression approval device (e.g. ... Nec Corporation

06/21/18 / #20180176090

Pre-scheduled and pre-configured time-dependent bulk rerouting in transport networks

A method for performing hulk rerouting in a transport network includes pre-computing routing paths for traffic between multiple source-destination pairs for different time slots and pre-computing an order in which changes of the routing paths are carried out across different time slots, pre-provisioning the routing paths and the order to the respective forwarding network nodes, and generating free network resources according to predefined rides that take into consideration traffic preemption and exploiting the free network resources to bootstrap and/or to facilitate a rerouting sequencing of routing path switching and/or swapping in bulk rerouting across different time slots.. . ... Nec Corporation

06/21/18 / #20180175927

Multi-input multi-output communication system, transmitter, and method of assigning resources therein

Transmitter extracts cqi values representative of reception qualities measured by and transmitted from receivers as representing reception states of antennas of receivers, from data receivers and received by transmitter, combines the extracted cqi values depending on preset weighting coefficients, calculates resource coefficients for assigning resources for transmitting data to receivers from the combined cqi values, and assigns resources for transmitting data to receivers based on the calculated resource coefficients.. . ... Nec Corporation

06/21/18 / #20180175923

Communication system

A communication system is disclosed in which coordinated multi-point transmissions for a mobile device are carried out in two stages. In the first stage, a central controller obtains channel state information (csi) reports from multiple transmission points, based on which the controller estimates respective data rates for transmissions between each transmission point and the mobile device. ... Nec Corporation

06/21/18 / #20180175451

Film packaged battery

A film package battery 1 has a battery element (20) having a positive electrode, a negative electrode and a separator that are stacked or wound, wherein, at least at 200° c., the separator does not melt or soften and has a heat shrinkage ratio of 3% or less; a film package (10) enclosing the battery element; and a fixing tape (70) fixed to a part of the battery element and fixed to an inner surface of the film package.. . ... Nec Corporation

06/21/18 / #20180175449

Lithium-ion secondary battery

There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, the battery having a low self-discharge failure rate even after long term storage. The present invention relates to a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, and polyamide imide layer, wherein the battery comprises an acid and/or an acid anhydride in an electrolyte solution and/or a member in contact with the electrolyte solution.. ... Nec Corporation

06/21/18 / #20180175365

Secondary battery electrode, and secondary battery manufacturing method and manufacturing apparatus

A method of manufacturing a secondary battery electrode having a coated portion at which an active material layer is formed, comprises a step of forming the coated portion which comprises a step of forming a thin portion of the active material layer which has a small thickness by discharging slurry containing an active material at a position where the die head is located close to the current collector, and a step of forming a thick portion of the active material layer which has a large thickness by discharging the slurry at a discharge pressure p2 larger than that in the step of forming the thin portion at a position where the die head is farther away from the current collector as compared with the step of forming the thin portion. The discharge pressure is changed in accordance with change of an interval between the die head and the current collector at a transition time between the step of forming the thin portion and the step of forming the thick portion.. ... Nec Corporation

06/21/18 / #20180174065

Content-level anomaly detection for heterogeneous logs

A computer-implemented method for automatically analyzing log contents received via a network and detecting content-level anomalies is presented. The computer-implemented method includes building a statistical model based on contents of a set of training logs and detecting, based on the set of training logs, content-level anomalies for a set of testing logs. ... Nec Corporation

06/21/18 / #20180173936

Dermal image information processing device, dermal image information processing method, and program

A dermal image information processing device includes: a dermal image information acquisition unit that acquires image information indicating an image of a papillary layer; and a singular region detection unit that detects a singular region indicating damage of the papillary layer, based on the acquired image information.. . ... Nec Corporation

06/21/18 / #20180173858

Image processing system, server apparatus, controlling method thereof, and program

An image processing system includes a terminal apparatus(es), and a server apparatus that connects to the terminal apparatus(es). The terminal apparatus includes: an imaging part that captures image of a subject, and generates a captured image; and an image transmitting part that, in a case where the imaging part generated the captured image, transmits the captured image to the server apparatus. ... Nec Corporation

06/21/18 / #20180173823

Simulation device, simulation method, and recording medium for storing program

A simulation device and the like are provided such that predicting capability and calculation resource efficiency can be both improved. The simulation device pertaining to an embodiment of the present invention is provided with: a model ensemble means for calculating, on the basis of a state vector as an input, time evolutions of the state vector through simulation using at least two different models in accordance with the models; a posterior distribution generation means for generating posterior distributions of the time evolutions of the state vector and model likelihoods, that is, likelihoods derived from observation data of the models, on the basis of the time evolutions of the state vector and the observation data; and a posterior distribution weighting determination means for determining weights to be applied to the posterior distributions on the basis of the posterior distributions and the model likelihoods, and calculating the next state vector on the basis of the weights and the posterior distributions.. ... Nec Corporation

06/21/18 / #20180173083

Projection device, projection method, and program storage medium

A projection device is provided for finally displaying a clear desired target image while shortening time until the target image is displayed, the projection device including: a light source; a spatial modulation element reflecting light from the light source by a display unit displaying a phase distribution of a target image; a modulation element control means that performs, in parallel by different arithmetic units, first processing of generating a phase distribution of the target image and second processing of generating a phase distribution of the target image by processing with a calculation cost higher than the first processing, and displays a phase distribution generated by the second processing on a display surface of the spatial modulation element after displaying a phase distribution generated by the first processing on a display surface of the spatial modulation element; and a projection means that projects reflected light from the spatial modulation element.. . ... Nec Corporation

06/21/18 / #20180173082

Projection device, projection system, and interface apparatus

A projection device is provided in order to improve contrast of a target image projected by using a phase modulation type spatial modulation element and also preventing unnecessary light from being projected. The projection device includes: a projection means that includes a light source, a spatial modulation element including a display part that displays a phase distribution of a target image and reflecting light from the light source, and an opening frame through which reflected light from the spatial modulation element passes; and a control means that causes the display part of the spatial modulation element to display a phase distribution generated by performing iterative fourier transform processing by using an amplitude distribution set with a signal region in which a basic figure included in the target image is arranged and a sweep-out region for sweeping optical noise out of the signal region.. ... Nec Corporation

06/21/18 / #20180168487

Measurement device and measurement method

Provided is a measurement device including a first acquisition unit that acquires depth information indicating a depth for each two-dimensional position, and a measurement unit that measures a walking state of a test subject by using the depth information.. . ... Nec Corporation

06/14/18 / #20180168053

Display device

. . A display device of this invention, includes a front case including a touch panel; and a rear case including a lock unit, which is configured to regulate movement of the front case, and a display unit, in which the front case is mounted to the rear case by inserting a protrusion that is formed in a peripheral edge portion of the front case into a guide groove that is formed in an outer edge portion of the rear case to bring the front case into contact with the rear case, subsequently moving the front case along the guide groove to engage the protrusion with the guide groove, and moving the lock unit of in the rear case from a first position to a second position, which is different from the first position, to regulate the movement of the front case.. . ... Nec Corporation

06/14/18 / #20180167909

Mobile communication system, control station, base station, communication method and program

A mobile communication system according to the present invention is a mobile communication system including base stations each of which forms a cell and transmits mbms data to a mobile station existing in the cell, and control stations each of which controls the base station connected thereto, wherein the control stations include at least a control station and a second control station that determines a frequency and timing for transmitting the mbms data in the cell and instructs the first control station of the determined frequency and timing, and wherein each of the first and second control stations establishes time synchronization with another control station and instructs the connected base station to set the cell to the frequency determined by the second control station and transmits the mbms data to the connected base station in accordance with the transmission timing determined by the second control station.. . ... Nec Corporation

06/14/18 / #20180167872

Radio access system and portable terminal device

As a result of isr being enabled between a portable terminal device and a network which are capable of communicating by using the communication protocols of a plurality of wireless access technologies, the portable terminal device performs position registration processing between the plurality of wireless access technologies and the portable terminal device each time a fixed period of time elapses, and the portable terminal device is able to move between the plurality of wireless access technologies that have already been registered, without conducting new position registration processing. At this time, if there is a possibility of there being a difference in isr states (activated or not activated) between the portable terminal device and the network, the portable terminal device ignores any instructions issued by the network for isr to be enabled in the portable terminal device.. ... Nec Corporation

06/14/18 / #20180167852

Intersystem change between different radio access networks

A wireless terminal can communicate with two radio access networks (ran) (304, 306) of different types. The wireless terminal can register simultaneously with a ran of the first type and a ran of the second type and can wirelessly connect to a ran of either the first type or the second type in a connected state. ... Nec Corporation

06/14/18 / #20180167851

Mobile communication system, base station, higher-order apparatus, gateway apparatus, communication method, and program

A mobile communication system includes a first home node b (hnb); a second hnb; and a hnb gateway (hnb-gw) that is connected to a core network, wherein the first hnb is configured to communicate with a user equipment (ue) before a relocation of intra hnb-gw in which the ue is relocated from the first hnb to the second hnb, wherein the second hnb is configured to communicate with a user equipment (lte) after the relocation and send iu-up initialization comprising an rfci information to the hnb-gw during the relocation, and wherein the hnb-gw is configured to receive the iu-up initialization.. . ... Nec Corporation

06/14/18 / #20180167664

Relay device, terminal device, communication system, pdu relay method, pdu reception method, and program

Provided is a relay device for transferring a protocol data unit (pdu) transmitted from a server device to a terminal device, receiving content information that pertains to content stored in the pdu, and controlling a transfer in the pdu transfer step on the basis of the content information. The terminal device receives, via the relay device, the pdu transmitted from the server device, and transmits the content information that pertains to the content stored in the pdu to the relay device.. ... Nec Corporation

06/14/18 / #20180167407

Information processing device, information processing system, information processing method, and storage medium

An information processing device according to the present invention includes: a cluster analyzer that determines a cluster identifier indicating a cluster that is a result of classifying an alert, receives a classification result of the alert, and generates alert information that is information including the alert, the cluster identifier, and the classification result; a rule generator that calculates a number of occurrence times of a pattern that is a combination of information and includes the cluster identifier, extracts a frequent pattern, generates a classification rule used in setting of the classification result, and updates a previously generated old classification rule with a newly generated classification rule; and a rule applicator that sets the classification result included in the alert information.. . ... Nec Corporation

06/14/18 / #20180167139

Communication apparatus, communication method, and communication system

A communication apparatus including: an optical multiplexer that is configured to receive one or more optical signals for transmitting data, and generate a wavelength multiplexed signal that is an optical signal obtained by multiplexing the one or more optical signals; a first conversion signal generator that is configured to select a signal of a first wavelength from the wavelength multiplexed signal generated by the optical multiplexer, and to generate a conversion signal by converting the signal of a first wavelength being selected into a signal of a second wavelength; and a first signal selector that is configured to receive the wavelength multiplexed signal generated and the conversion signal, and to select and output at least one of a signal included in the wavelength multiplexed signal and the conversion signal, for each wavelength of a signal included in the wavelength multiplexed signal and the conversion signal.. . ... Nec Corporation

06/14/18 / #20180167122

Method and apparatus for transmission pattern configuration and signal detection

Embodiments of the present disclosure provide a method for configuring transmission pattern in a wireless system. The method comprises indicating a number of antenna ports to be used for the transmission pattern; and configuring transmission resource for the number of antenna ports by indicating k resource configurations, with each resource configuration indicating resource for one of k subsets of antenna ports which form a set of the number of antenna ports. ... Nec Corporation

06/14/18 / #20180166880

Data-driven demand charge management solution

A computer-implemented method, system, and computer program product are provided for demand charge management. The method includes receiving an active power demand for a facility, a current load demand charge threshold (dct) profile for the facility, and a plurality of previously observed load dct profiles. ... Nec Corporation

06/14/18 / #20180166878

Machine learning based demand charge

A computer-implemented method, system, and computer program product are provided for demand charge management. The method includes receiving an active power demand for a facility, a current load demand charge threshold (dct) profile for the facility, and a plurality of previously observed load dct profiles. ... Nec Corporation

06/14/18 / #20180166792

Method for designing gradient index lens and antenna device using same

An object of the present invention is to provide a method for designing a gradient index lens enabling to easily and accurately drive an antenna. According to the present invention, a virtual domain a boundary of which includes a curved focal plane in a uniform-refractive-index type lens with a uniform refractive index, and a physical domain a boundary of which includes a planar focal plane in a gradient index lens with a non-uniform refractive index and that is a quasiconformal map of the virtual domain are set, the quasiconformal map of a virtual medium parameter that is a medium parameter including at least one of a dielectric constant and magnetic permeability characterizing the virtual domain is calculated as a physical medium parameter in the physical domain, and the gradient index lens based on the physical medium parameter is designed by spatially arranging a medium parameter adjustment element set in advance.. ... Nec Corporation

06/14/18 / #20180166630

Variable resistance element and method for producing variable resistance element

In order to improve the number rewrites by improving the dielectric breakdown resistance of an ion conducting layer in a variable resistance element, this variable resistance element is provided with: a first electrode that contains at least copper; a second electrode that contains at least ru, nitrogen and a first metal; and an ion conducting layer that is positioned between the first electrode and the second electrode.. . ... Nec Corporation

06/14/18 / #20180165622

Action analysis device, acton analysis method, and analysis program

Provided is an action analysis device (10), comprising an acquisition unit (11) which acquires sounds, and an analysis unit (12) which analyzes the frequency of the acquired sounds per predetermined time interval. The analysis unit (12) compares frequency distributions of frequency components within each frequency distribution which is a frequency analysis result, said frequency components corresponding to work sounds which are emitted in a predetermined task which a subject perform, and thereby generates information which denotes a change in time required for the predetermined task of the subject over elapsed time.. ... Nec Corporation

06/14/18 / #20180165451

Analysis system, analysis method, analysis device, and storage medium

Provided is an analysis system including: an operation analysis unit that analyzes operation of an analysis target program that is a target program to be analyzed, by executing the analysis target program in a second execution environment that is a computing environment for analysis, the second execution environment being configured to emulate at least a partial configuration of a first execution environment that is a computing environment for real operation where the analysis target program is able to be executed; and a configuration unit that builds the second execution environment capable of emulating a specific configuration of the first execution environment, the specific configuration relevant to an operation of the analysis target program, by modifying at least a partial configuration of the second execution environment in accordance with the operation of the analysis target program analyzed by the operation analysis unit.. . ... Nec Corporation

06/14/18 / #20180165341

Data replicating systems and data replicating methods

Methods and systems for synchronizing data may enable a computer to synchronize data by connecting to a peer computer via a network connection. The computer may receive a remote table from the peer computer, wherein the remote table comprises an object comprising a vector. ... Nec Corporation

06/14/18 / #20180165174

Message analysis apparatus, message analysis method, and storage medium

The present invention can provide a technology for presenting information that indicates contents and trends of many messages without a need to define a portion that varies among the messages in advance. A message analysis apparatus is provided with a clustering unit, a field analysis unit, and a pattern generation unit. ... Nec Corporation

06/14/18 / #20180165156

Communication apparatus, system, method, and non-transitory medium

A communication apparatus comprising: a plurality of communication processes, each performing communication process on a flow associated thereto; a plurality of network interfaces, each of the network interfaces adapted to be connected to a network; a dispatcher that receives a packet from the network interface and dispatches the packet to an associated communication process, based on a dispatch rule that defines association of a flow to a communication process to which the flow is dispatched; and a control unit that performs control to roll back each of the communication processes using saved image thereof.. . ... Nec Corporation

06/14/18 / #20180165147

Structure-level anomaly detection for unstructured logs

A computer-implemented method, computer program product, and computer processing system are provided. The method includes preprocessing, by a processor, a set of heterogeneous logs by splitting each of the logs into tokens to obtain preprocessed logs. ... Nec Corporation

06/14/18 / #20180164765

Service control device, service control method and recording medium

A service control device includes a controller that receives one of an external request and an execution result of a functional element and directs a functional element to be carried out next by referring to a control list holding a plan of combination of functional elements; an execution unit configured to carry out the functional element directed by the controller; a monitoring and recording unit configured to monitor an execution state of a functional element and record; and an activation level calculating unit configured to calculate an activation level of a functional element based on the execution state of a functional element having been recorded and update the control list based on the activation level.. . ... Nec Corporation

06/14/18 / #20180164403

Sound source position detection device, sound source position detection method, sound source position detection program, and recording medium

Signal measurement units each measure a signal output from a sound source, as a measured signal. Reference signal acquisition units each acquire a reference signal. ... Nec Corporation

06/14/18 / #20180164381

Mounting substrate, and current detection device for storage battery

The purpose of the present invention is to provide a mounting substrate having reduced size and cost, and a current measurement device for a storage battery. In order to achieve the purpose, this mounting substrate is characterized by having: a heat generating element; a temperature sensor for measuring the temperature of the heat generating element; and a slit that surrounds at least a part of the heat generating element and the temperature sensor. ... Nec Corporation

06/14/18 / #20180164177

Detection system, detection method, and program

An object of the invention is to provide a new defect detection technique using an autonomously movable apparatus. In order to accomplish the object, the invention provides a detection system (10) including a drive control unit (15) that controls a driving unit (12) causing a base unit (11) to travel in a case where a predetermined detection target is detected on the basis of information collected by a sensor unit (13) installed in the base unit (11), and a second detection unit (16) that detects a predetermined defect on the basis of the information collected by the sensor unit (13).. ... Nec Corporation

06/14/18 / #20180164143

Content quantity detection signal processing

A measurement device includes a sensor configured to detect triggering of the device. The measurement device further includes a transmitter configured to transmit an interrogation signal in response to the triggering of the device, and a receiver configured to detect a received signal that captures one or more reflections of the interrogation signal. ... Nec Corporation

06/14/18 / #20180164142

Transmitter and receiver configuration for detecting content level

A measurement device includes a transmitter configured to transmit an interrogation signal. The measurement device also includes a receiver configured to receive the interrogation signal that has been reflected within a container. ... Nec Corporation

06/14/18 / #20180161192

Portable traction device with sling

A portable traction device can include a sling that is sized to cradle a user's head primarily at the back and lower part of the skull. The sling can be associated with flexible elastic tethers that are, in turn, associated with an anchor that is positioned a height above the floor when the portable traction device is in use. ... Nec Corporation

06/07/18 / #20180160434

Base station apparatus and communication control method

The object is achieved by providing a base station apparatus for performing time and frequency scheduling in uplink packet access with: an interference amount measurement part configured to measure an uplink interference amount for each interference amount measurement unit which comprises a predetermined period and a predetermined number of frequency blocks; an interference amount determination part configured to determine whether the uplink interference amount satisfies a predetermined condition; and an overload indicator reporting part configured to report an overload indicator to a neighboring cell when the predetermined condition is satisfied.. . ... Nec Corporation

06/07/18 / #20180159897

Security system, security method, and recording medium for storing program

Provided is a security system or the like with which security can be improved. A security system according to one embodiment of the present invention is provided with: a packet reception means that receives a request from an intruding device that is attempting intrusion; a dummy resource characteristic information storage means that stores characteristic information for a plurality of virtual dummy resources; a dummy response generation means that generates a dummy response on the basis of the characteristic information in response to the request directed to the dummy resource; a dummy response transmission control means that controls a request end flag, which indicates the presence/absence of untransmitted dummy resources, on the basis of a timer value; and a dummy response transmission means that, on the basis of the request end flag, transmits the dummy response to the intruding device that transmits the request.. ... Nec Corporation

06/07/18 / #20180159716

Communication apparatus, system, method, and non-transitory medium

A communication apparatus comprising a plurality of communication processes, each of the communication processes configured to be executed in an environment allocated thereto and isolated from each of one or more environments arranged for remaining one or more processes, each of the communication processes performing communication processing on a flow associated thereto, a network interface connected to a network; a dispatcher that dispatches a packet to the communication process based on a dispatch rule that defines association of a flow with a communication process.. . ... Nec Corporation

06/07/18 / #20180159697

Method for operating a service system

A method for operating one or more service systems performed in a memory of an analyzing entity (ae) includes a) receiving, by an input interface of the ae, one or more control requests for controlling one or more resources of at least one of the one or more service systems; b) assessing, by the ae, an impact on the one or more service systems of the one or more control requests by checking an effect on already performed control requests for resources of the one or more service systems when the one or more control requests would be performed on one or more of the resources of the at least one of one or more service systems; and c) checking, by the ae, if the assessed impact violates one or more adverse situation rules (asr).. . ... Nec Corporation

06/07/18 / #20180159616

D2d communication control apparatus, radio terminal, relay radio terminal candidate selection method, and non-transitory computer readable medium

A d2d communication control apparatus (10) according to the present invention includes: a communication unit (11) configured to receive determination information that can be used to determine whether each of a plurality of radio terminals is capable of performing device-to-device (d2d) communication with another radio terminal; and a selection unit (12) configured to select, using the determination information between radio terminals that may operate as relay radio terminals, a candidate for a relay radio terminal that relays the communication between one of the plurality of radio terminals and a network, the relay radio terminal candidate transmitting a response signal in response to a first discovery signal transmitted from one of the radio terminals by performing d2d communication with the one of the plurality of radio terminals and performing cellular communication with the network.. . ... Nec Corporation

06/07/18 / #20180159481

Low-noise amplification device, method, and attenuation adjustment program

Strength of a signal received by a low-noise amplifier is controlled depending on strength of a reception signal emitted to a communication satellite by a mobile terminal. A low-noise amplification device provided in the communication satellite comprises: a variable-power attenuation unit which generates an attenuation signal by attenuating the reception signal received in the communication satellite; a low-noise amplification unit which generates an amplification signal by amplifying the attenuation signal with low noise; and a signal control unit which outputs a control signal to the variable-power attenuation unit depending on the attenuation signal, and then adjusts an attenuation of the variable-power attenuation unit.. ... Nec Corporation

06/07/18 / #20180159335

Electric power generation control device, control device, control method and recording medium

An electric power generation control device is provided with: a communication unit that receives an output upper-limit value in a power generation device group and a predicted amount of power generation of each power generation device that belongs to the power generation device group; and a determination unit that, on the basis of the output upper-limit value and the predicted amount of power generation of each power generation device, determines a first output upper-limit value of each power generation device that makes the sum total of the output of each power generation device equal to or less than the output upper-limit value.. . ... Nec Corporation

06/07/18 / #20180159105

Lithium-ion battery

There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material, and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, the lithium secondary battery exhibiting a low self-discharge failure rate even after long term storage. The present invention pertains to a lithium ion secondary battery having a positive electrode comprising a positive electrode active material comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, wherein a suspension prepared by mixing the positive electrode active material and a deionized water at a mass ratio of 2:98 shows a ph of 9.3 or less.. ... Nec Corporation

06/07/18 / #20180158623

Method for manufacturing electrochemical device

A method for manufacturing an electrochemical device in which an electrode assembly in which two types of electrodes are superposed on each other with a separator 4 interposed therebetween, is housed in an outer container, the two types of electrodes each including an active material-applied portion where an active material layer is formed on a current collector, and an active material-non-applied portion where an active material layer is not formed on the current collector, the method including joining an electrode terminal and stack of the active material-non-applied portions, with respect to each type of electrodes; pressing a connection portion between the electrode terminal and the stack of the active material-non-applied portions after said joining step; and housing the electrode assembly in the outer container made of a flexible film after pressing.. . ... Nec Corporation

06/07/18 / #20180157922

Passenger counting device, system, method and program

A passenger counting system includes: a first photographing means 30 for photographing a vehicle and acquiring a first image; a second photographing means 31 for photographing the vehicle in a state of receiving only light of a first specific wavelength band and acquiring a second image; and a passenger counting device 200. The passenger counting device 200 includes: an image separation means 42 for acquiring a plurality of separate images based on the first image and the second image; and a passenger number determination means 43 for determining the number of passengers of the vehicle based on the plurality of separate images.. ... Nec Corporation

06/07/18 / #20180157876

Battery-free touch-aware user input using rfid tags

Aspects of the present disclosure describe a battery-free touch sensing user interface (ui) for internet of things (iot) and other smart spaces employing radio frequency identification (rfid) readers and tags that we call rio. With rio, any surface may be a touch-aware surface by attaching rfid tag(s) thereto. ... Nec Corporation

06/07/18 / #20180157779

Programmable logic integrated circuit, design support system, and configuration method

Provided is a programmable logic integrated circuit wherein even if a failure occurs in any resistance-variable element, remedy would be possible and hence the improvement of reliability has been achieved. In a programmable logic integrated circuit comprising resistance-variable elements, when the states of the resistance-variable elements are to be changed according to externally inputted configuration information, a control means uses a reading means to read the states of the respective resistance-variable elements, and then uses a writing means to change only the states of resistance-changing elements that are different from a state indicated by the configuration information.. ... Nec Corporation

06/07/18 / #20180157558

Method and system for byzantine fault-tolerance replicating of data on a plurality of servers

A method for byzantine fault-tolerant replication of data on a plurality of n servers by a client, wherein the n servers include one primary node (pn) and n−1 replica nodes (repn), wherein f servers may arbitrarily fail, and wherein all n servers include a trusted computing entity (tce), includes: performing a request procedure, performing a prepare procedure, performing a commit procedure, and performing a reply procedure. The request procedure includes providing a request message for requesting a certain operation, and transmitting the request message to all n servers. ... Nec Corporation

06/07/18 / #20180156974

Pluggable optical module and optical communication system

A pluggable electric connector is configured to be insertable into and removable from an optical communication apparatus. An optical output module outputs an optical signal and a local oscillation light. ... Nec Corporation

06/07/18 / #20180156256

Fastening part and method for forming fastening part

A fastening part 1 has a pin body 3 that is inserted in a through hole formed in a member of an object to be installed. The pin body 3 has elastic sections 12a, 12b and locking parts 14a, 14b that form pairs. ... Nec Corporation

06/07/18 / #20180153445

Measurement device and measurement method

Provided is a measurement device including an acquisition unit that acquires positional information or direction information on a predetermined portion in a limb of a test subject, a calculation unit that calculates angles or distances serving as ability indexes of the limb of the test subject on the basis of the acquired positional information or direction information, a determination unit that determines whether or not a posture of the test subject is proper, on the basis of the acquired positional information or direction information, and an output processing unit that outputs the calculated angles or distances in a state corresponding to a determination result regarding whether or not the posture of the test subject is proper.. . ... Nec Corporation

05/31/18 / #20180152922

Methods and systems for conveying scheduling information of overlapping co-scheduled users in an ofdma-mu-mimo system

A method implemented in a base station for conveying scheduling information in an orthogonal frequency division multiple access (ofdma) multi-user (mu)-multiple input multiple output (mimo) system is disclosed. The method includes transmitting to a first user equipment (ue) the scheduling information including first scheduling information of the first ue and at least a portion of second scheduling information of at least one second ue, wherein the scheduling information includes a resource block (rb) assigned to the first ue, the number of streams, and an indication of one or more dedicated reference symbol (rs) layers assigned to the first ue. ... Nec Corporation

05/31/18 / #20180152513

Method for storing data in a cloud and network for carrying out the method

A method for storing data in a cloud includes providing at least one data file to be stored together with a predefined number t of replicas of the at least one data file within the cloud, at least one authentication tag corresponding to the at least one data file and t functions that are configurable to take at least a predefined time to compute. The at least one data file, the at least one authentication tag and the t functions are transmitted to the cloud. ... Nec Corporation

05/31/18 / #20180152490

Delivery control device and delivery control method for content delivery according to abr delivery method

A delivery control device, which is installed in repeater equipment interposed between a content delivery server device and a client device so as to repeat delivered contents, controls delivery speed for contents by adopting pacing delivery depending on delayed conditions of networks and the operating condition of the client device according to the abr (adaptive bit rate) delivery method. The delivery control device includes a delivery speed calculation part configured to calculate real delivery speed for sequentially delivering the divided files, which are produced by dividing file data representing contents to be delivered to a client device, in an order of reproducing contents, and a delivery speed determination part configured to determine delivery speed for the divided files based on the real delivery speed calculated by the delivery speed calculation part, the presumed delivery speed determined in advance, and predetermined thresholds relating to intervals of receiving the divided files.. ... Nec Corporation

05/31/18 / #20180152477

Security system, security method, and recording medium for storing program

Provided is a security system or the like with improved security. A security system according to one embodiment of the present invention is provided with: a packet reception means that receives a request from an intruding device that is attempting intrusion; a dummy resource characteristic information storage means that stores characteristic information for a plurality of virtual dummy resources; a dummy resource operation management means that manages whether or not to operate the dummy resources on the basis of the characteristic information; a dummy resource management means that determines whether or not the dummy resources which are virtually operated by the operation management means should respond that said resources are present; a dummy response generation means that, for each dummy resource that the dummy resource management means has determined should respond, generates a dummy response on the basis of the characteristic information in response to the request directed to the dummy resource; and a dummy response transmission means that transmits the dummy response to the intruding device.. ... Nec Corporation

05/31/18 / #20180152433

Secure method for mtc device triggering

Upon receiving a triggering message from a mtc server (20), a network (10) verifies if the mtc server (20) is authorized to trigger a target mtc device (30) and also if the mtc device (30) is authorized to respond the triggering message, by comparing an mtc device id and mtc server id (and optionally information on subscription) which are include in the triggering message with authorized ones. Upon succeeding in the verification, the network (10) checks a trigger type included in the triggering message to verify if the triggering message is authorized to be sent to the mtc device (30). ... Nec Corporation

05/31/18 / #20180152432

Secure method for mtc device triggering

Upon receiving a triggering message from a mtc server (20), a network (10) verifies if the mtc server (20) is authorized to trigger a target mtc device (30) and also if the mtc device (30) is authorized to respond the triggering message, by comparing an mtc device id and mtc server id (and optionally information on subscription) which are include in the triggering message with authorized ones. Upon succeeding in the verification, the network (10) checks a trigger type included in the triggering message to verify if the triggering message is authorized to be sent to the mtc device (30). ... Nec Corporation

05/31/18 / #20180152230

Precoding with a codebook for a wireless system

A base station used in a wireless communications system with multiple transmission ranks is disclosed. The base station comprises a memory to store a codebook for a transmission rank, a beamforming controller to precode data with a precoding matrix selected from the codebook, and a transmitter to transmit the precoded data to a user equipment, wherein the precoding matrix is selected according to a first description and a second description, which are unique to the precoding matrix, and wherein the second description provides a finer description of the codebook than the first description. ... Nec Corporation

05/31/18 / #20180151953

Antenna device

An object of the present invention is to provide an antenna device having a wide beam scan range with reduced loss. The antenna device according to one aspect of the present invention includes: a first phase shifter, a second phase shifter, and a third phase shifter; a first connection part that electrically connects between the first phase shifter and the second phase shifter directly in series; a second connection part that electrically connects between the second phase shifter and the third phase shifter directly in series; and a power feed part that feeds electric power to the first phase shifter to the third phase shifter, wherein the first phase shifter and the second phase shifter, and the second phase shifter and the third phase shifter respectively have characteristic impedance being discontinuous with respect to each other at the first connection part and the second connection part.. ... Nec Corporation

05/31/18 / #20180151919

Power storage device, cell, balance operation method, and program

A power storage device includes: a plurality of series-connected battery cells (311); a balance circuit (112) that is provided for each of the plurality of battery cells (311), and is connected with corresponding one of the battery cells; a first temperature sensor (111) that is provided for every one or more of the balance circuits (112), and measures a temperature of a corresponding balance circuit (112); and a control unit (121) that stops an operation of the corresponding balance circuit (112) when a first measured temperature measured by the first temperature sensor (111) is equal to or more than a first upper reference temperature, and restarts an operation of the corresponding balance circuit (112) when the first measured temperature becomes equal to or less than a first lower reference temperature that is lower than the first upper reference temperature after an operation of the corresponding balance circuit (112) is stopped.. . ... Nec Corporation

05/31/18 / #20180151882

Lithium ion secondary battery

A lithium ion secondary battery excellent in cycle characteristics, comprising a high capacity negative electrode comprising a metal and/or a metal oxide as an active material is provided. The present invention relates to a lithium ion secondary battery comprising a positive electrode, a negative electrode, and an electrolyte solution, wherein the negative electrode comprises (a) a carbon material that can absorb and desorb lithium ions; at least one selected from the group consisting of (b) lithium metal and metals that can be alloyed with lithium and (c) metal oxides that can absorb and desorb lithium ions; and a polyacrylic acid, and the electrolyte solution comprises at least one disulfonic acid ester.. ... Nec Corporation

05/31/18 / #20180151844

Organic el panel

The present invention provides a novel organic el panel adapted to be color tunable by a user, for example. An organic el panel 10 of the present invention includes: a first substrate 11; a second substrate 12; an organic el element 13; and a sealing layer 14. ... Nec Corporation

05/31/18 / #20180151300

Hermetic terminal, aluminum electrolytic capacitor, and method for manufacturing aluminum electrolytic capacitor

According to a hermetic terminal based on the present invention, a hermetic terminal (10) to be hermetically fixed to an aluminum electrolytic capacitor (20) includes: a base (11) which has a through hole, is to be attached to a case (16) of the aluminum electrolytic capacitor (20), and is made of a composite material having electrical conductivity; at least one lead (12) which is inserted into the through hole of the base (11), and is made of a composite material having electrical conductivity; and an insulating glass (13) which hermetically seals a gap between the base (11) and the lead (12). Surfaces of portions of the base (11) and the lead (12) which come into contact with an electrolytic solution within the case (16) are composed of a metal material having corrosion resistance to the electrolytic solution.. ... Nec Corporation

05/31/18 / #20180150755

Analogy-based reasoning with memory networks for future prediction

A method is provided that includes accessing a training set of positive and negative event pairs. The method includes calculating (i) positive similarity scores between an input pair of events and the positive event pairs, and (ii) negative similarity scores between the input pair of events and the negative event pairs. ... Nec Corporation

05/31/18 / #20180150375

Service management system, service management method, and recording medium

A processing performance of a node is estimated correctly. A service management system 100 includes a feature extraction unit 114 and a performance model generation unit 116. ... Nec Corporation

05/31/18 / #20180150186

Interface control system, interface control apparatus, interface control method, and program

An interface control system (2000) includes a first marker detection unit (2020) and a display control unit (2040). The first marker detection unit (2020) detects a first marker (50) attached to the body of a user based on a captured image obtained from a camera (20) worn by the user. ... Nec Corporation

05/31/18 / #20180150113

Substrate guide member and casing

A substrate guide member is integrally formed of resin, and includes: a support portion fixed in a casing; and at least one pair of a first protrusion and a second protrusion protruding from the support portion and extending in an insertion direction with a gap from each other, to thereby form a groove for allowing passage of a substrate. The at least one pair of the first protrusion and the second protrusion includes: a plurality of guide portions configured to guide the substrate; and separated portions, which are portions connecting the plurality of guide portions and have a gap larger than the gap of the plurality of guide portions.. ... Nec Corporation

05/31/18 / #20180149814

Pluggable optical module and optical communication system

An object is, in a pluggable optical module, to compactly house an optical fiber used for connecting optical components in a housing in which a plurality of optical components are mounted. The pluggable optical module includes: a plurality of optical components, a printed circuit board; one or more optical fibers; and optical fiber housing means. ... Nec Corporation

05/31/18 / #20180149241

Speed change mechanism

Provided is a speed change mechanism including a first input section (10), a second input section (20), a planetary gear mechanism (30), and an output section (40). The planetary gear mechanism (30) includes a planetary worm wheel (31), a sun gear (32), and a plurality of planetary gears (33). ... Nec Corporation

05/24/18 / #20180146500

Base station and scheduling method

A base station (2) is configured to schedule radio resources to device-to-device (d2d) transmissions (101a, 101b and 101c) performed by d2d communication pairs (3a, 3b and 3c) in accordance with an allocation rule that permits two d2d communication pairs (3a and 3c) that are not in proximity to each other to share an identical radio resource but prohibits two d2d communication pairs (3a and 3b) in proximity to each other from sharing an identical radio resource. Each d2d transmission (101) includes wirelessly transmitting from one radio terminal (1) directly to the other radio terminal (1) in each d2d communication pair (3) without passing through the base station (2). ... Nec Corporation








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