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Solid Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Solid Inc-related inventors


 new patent  Headend device of distributed antenna system and signal processing method thereof

A headend device includes a spectrum analysis unit configured to analyze a frequency spectrum of a plurality of base station signals to detect characteristic information of the plurality of the base station signals, a control unit configured to generate a control signal to control a power of the plurality of the base station signals on the basis of the characteristic information detected, and a plurality of rf units configured to receive at least one of the plurality of the base station signals and adjust the power of the base station signals received according to the control signal and output the power-adjusted base station signals.. . ... Solid Inc

 new patent  Head-end device of distributed antenna system and method of operation thereof

A head-end device according to an embodiment includes: a plurality of base station interfacing units configured to interface each of transmission/reception signals that are exchanged between the head-end device and a plurality of base stations; and a head-end control unit configured to receive an upper interfacing unit signal transmitted from an upper base station interfacing unit from among the plurality of base station interfacing units, and sequentially transmit the received upper interfacing unit signal to a lower base station interfacing unit.. . ... Solid Inc

 new patent  Constructing multi-element features using a 3d cad system

A computer-implemented method and system creates a multi-element feature in a three-dimensional (3d) computer-aided design (cad) model. A first element and a second element are selected to include in the multi-element feature. ... Solid Inc

Composite materials, methods of production and uses thereof

The invention provides novel articles of composite materials having hollow interior channels or passageways, or otherwise being hollowed out, and formulations and methods for their manufacture and uses. These hollow core objects are suitable for a variety of applications in construction, pavements and landscaping, and infrastructure.. ... Solid Inc

Concrete joint filling kit, method and device

A system and method for filling joints in concrete. The system includes an a-side joint filler compound portion, a b-side joint filler compound portion, and a liquid pigment portion, which are mixed together in a mixing container initially containing only the a-side joint filler compound portion. ... Solid Inc

Passive intermodulation measurement device and relay unit including the same

A passive intermodulation (pim) measurement device for measuring a pim in at least one of installation equipments and a distribution network within a distributed antenna system (das), the pim measurement device included in a relay unit of the das the pim measurement device includes a pulse generation unit a pim detection unit and a controller. The pulse generation unit generates a two-tone pulse signal having frequencies different from each other. ... Solid Inc

Computerized tool path generation

An automated computer-implemented method for generating commands for controlling a computer numerically controlled machine to fabricate an object from a workpiece, the method including the steps of selecting a maximum permitted engagement angle between a rotating cutting tool and the workpiece, selecting a minimum permitted engagement angle between the rotating cutting tool and the workpiece, and configuring a tool path for the tool relative to the workpiece in which the engagement angle gradually varies between the maximum permitted engagement angle and the minimum permitted engagement angle.. . ... Solid Inc

Curing systems for materials that consume carbon dioxide and method of use thereof

The invention provides a curing system that is useful for curing materials that consume carbon dioxide as a reagent. The system has a curing chamber that contains the material to be cured and a gas that contains carbon dioxide. ... Solid Inc

Optical network system

Disclosed is an optical network system including a upper network equipment, a lower network equipment, and a plurality of transfer network equipments connecting the upper network equipment and the lower network equipment through independent optical links, wherein the lower network equipment performs switching such that transmission and reception of an optical signal are performed through an optical link of a standby line when a failure occurs in at least one of an optical link used as a working line, an optical interface device associated with the working line in the upper network equipment, and a transfer network equipment associated with the working line.. . ... Solid Inc

Light control type key switch assembly

A light control type key switch assembly includes multiple key switch units each including a key switch holder and a key switch mounted in the key switch holder, multiple light receivers respectively mounted around one respective key switch holder, and a light-emitting unit including a light source and a light guide facing toward the light source and neighbored to each key switch holder for guiding the emitted light from the light source along a light path toward each light receiver. When the key switch is not pressed, the plunger of the respective key switch is kept away from the light path, and thus no electrical signal will be generated. ... Solid Inc

Binder and slurry compositions and solid state batteries made therewith

Described herein are various embodiments of binder and slurry compositions and methods of making a solid-state battery therefrom. An solid-state electro-chemical cell may include a first electrode substrate with a separator layer that is continuously interleaved in an alternating pattern with a second electrode substrate. ... Solid Inc

Softboots and waterproof/breathable moisture transfer composite and liner for in-line skates, ice-skates, hockey skates, snowboard boots, alpine boots, hiking boots and the like

The soft boot and liner includes moisture transfer system that includes an inner fabric layer carefully selected from technically advanced fabrics. A series of layers are provided outside the inner liner including foam material layers, spacer fabrics and breathable membranes, in various orders. ... Solid Inc

Communication device and method for controlling power thereof

A communication device for power saving and a method for controlling power thereof are provided. The communication device includes a power amplifying unit and a control unit. ... Solid Inc

Cellular communication system

An analog distributed antenna system having a set of small cells as a signal source is provided. A proposed cellular communication system includes an upper small cell unit including upper protocol processors configured to process an upper first part of a protocol stack of a small cell, a lower small cell unit including lower protocol processors configured to process a remaining second part of the protocol stack of the small cell, and a first matching switch configured to respectively match the lower protocol processors to a plurality of remote units. ... Solid Inc

03/08/18 / #20180069627

Optical signal monitoring device of wavelength division multiplexing based network

There is provided an optical signal monitoring device and an optical signal monitoring system of a wavelength division multiplexing based network including: an input unit configured to receive each of downlink signals and uplink signals; a wavelength division multiplexing filter configured to separate the downlink signals and the uplink signals by wavelength; an optical power measurement module configured to measure optical power of each signal separated by wavelength; and a controller configured to determine whether an optical signal is abnormal based on optical power information measured by the optical power measurement module.. . ... Solid Inc

02/15/18 / #20180048269

Wideband highly linear amplifier

A wideband highly linear amplifier includes a plurality of pre-distortion units for respectively linearizing digital signals of a plurality of bands, a synthesis unit for synthesizing output signals of the pre-distortion units, a single amplifier for amplifying signals outputted from the synthesis unit, distribution units for respectively separating the signals for each of the plurality of bands from the output signals of the amplifier, a plurality of inverse compensation attenuators for respectively attenuating the separated signals for each of the plurality of bands, and a feedback path for respectively feeding the attenuated signals for each of the plurality of bands back into the pre-distortion unit of the corresponding band out of the plurality of the pre-distortion units.. . ... Solid Inc

02/08/18 / #20180042069

Signal processing device for distributed antenna system

A signal processing device according to an exemplary embodiment of the inventive concept can integrate a power amplifier, a duplexer, and a linearizer as a module to improve the convenience of management and to improve flexibility and extensibility so as to be transformable corresponding to a change in system development concept.. . ... Solid Inc

02/08/18 / #20180041266

Interference cancellation repeater

An interference cancellation repeater for canceling an interference signal included in an input signal including a first adaptive filter configured to generate a first estimated signal; a second adaptive filter configured to generate a second estimated signal; a first scaler configured to scale the first estimated signal based on a first scale factor determined according to a channel state; a second scaler configured to scale the second estimated signal based on a second scale factor determined according to the channel state; a first canceller configured to generate a first interference canceled signal based on the input signal and the scaled first estimated signal; and a second canceller configured to generate a second interference canceled signal based on the first interference canceled signal and the scaled second estimated signal.. . ... Solid Inc

02/08/18 / #20180040981

Communication module assembly

The present invention relates to a communication module assembly. The present invention is a communication module assembly which is electrically connected to a communication device and is supplied with power and signal, and can include a connection port unit that is supplied with the power and the signal from the communication device; a cable connection portion which is provided in the connection port unit, and to which cables electrically connected to the communication device is connected; a plurality of communication modules that is stacked on and connected to the connection port unit in a plug-in type; and a guide for guiding the communication module such that the communication modules are connected to the connection port unit in a central direction.. ... Solid Inc

02/01/18 / #20180035080

Verification and adjustment systems and methods for additive manufacturing

Verification and adjustment systems and methods correct at least one build error that is detected in a component built by additive manufacturing (hereinafter “am”). The systems and methods comprise an am device, a first imaging device, a second imaging device and computer-implement steps for correcting the build error present in the component. ... Solid Inc

02/01/18 / #20180034649

Node unit including queuing engine for multicasting ethernet data and distributed antenna system including the same

Provided are a node unit including a queuing engine for multicasting ethernet data, and a distributed antenna system including the same. The node unit is a node unit which is branch-connected to a plurality of lower nodes, and comprises: a media access control (mac) module; and a queuing engine for interfacing ethernet data between the mac module and the plurality of branch-connected lower nodes, wherein the queuing engine multicasts ethernet data received from the mac module to the plurality of branch-connected lower nodes, transfers ethernet data received from the plurality of branch-connected lower nodes to the mac module, wherein the queuing engine comprises a buffer for buffering ethernet data received from the plurality of branch-connected lower nodes, and outputting the buffered ethernet data to the mac module.. ... Solid Inc

02/01/18 / #20180034533

Interference cancellation repeater

According to an aspect of the inventive concept, there is provided an interference cancellation repeater for repeating a long term evolution (lte) signal between a terminal and a base station, the interference cancellation repeater includes: an interference canceller configured to generate a restored lte signal by canceling a feedback signal included in an input lte signal; a sync signal detector configured to detect a first sync level which is a level with respect to a sync signal of the input lte signal and a second sync level which is a level with respect to a sync signal of the restored lte signal; and a gain controller configured to control a signal amplifier according to isolation calculated based on a difference between the first sync level and the second sync level.. . ... Solid Inc

01/25/18 / #20180027431

Node unit of distributed antenna system

The present invention provides a distributed antenna system for automatically detecting an abnormally operating node unit. According to an embodiment of the present invention, a node unit of the distributed antenna system includes a signal input unit configured to receive and output first through n-th state information from n other node units connected to the node unit, where n is a natural number greater than or equal to 2; and a controller configured to analyze the first through n-th state information and to determine states of uplink signals respectively corresponding to the first through n-th state information. ... Solid Inc

01/25/18 / #20180026731

Interference cancellation repeater

An interference cancellation repeater according to the inventive concept includes: a first transmission/reception processing unit configured to adjust a gain of a radio frequency (rf) input signal input via a link antenna communicatively coupled to a base station; an interference canceller configured to cancel and output an interference signal from an output signal of the first transmission/reception processing unit; and a gain controller configured to extract a signal with constant magnitude regardless of a change in user traffic from the output signal of the interference canceller, and to adjust the gain of the rf input signal to a predetermined level by controlling the first transmission/reception processing unit based on the extracted signal.. . ... Solid Inc

01/18/18 / #20180017464

Optical line testing device using wavelength tunable laser

An optical line testing device for measuring at least a cutting position of an optical line according to the present invention includes: a first wavelength tunable laser source configured to generate a first optical signal in which a plurality of wavelengths appear alternately and periodically; a second wavelength tunable laser source configured to generate a second optical signal which is identical to the first optical signal but has an adjustable delay time; and an interferometer configured to cause interference between a reflected optical signal, corresponding to the first optical signal, which is returning after having been emitted to the optical line, and the second optical signal to output an interference signal.. . ... Solid Inc

01/11/18 / #20180013538

Distributed antenna system for time division duplex

According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.. . ... Solid Inc

01/04/18 / #20180005999

Multiple pixel surface mount device package

Emitter packages and leds displays utilizing the packages are disclosed, with the packages providing advantages such as reducing the cost and interconnect complexity for the packages and displays. One emitter package comprises a casing with a plurality of cavities, each cavity having at least one led. ... Solid Inc

01/04/18 / #20180003351

Linkable lighting fixture

An elongated, linkable led lighting fixture having an elongated led light engine with an led light engine electrical contacting structure for cooperating with a linking device to link elongated, linkable led lighting fixtures together, the linked led lighting fixtures are powered by a single connection to an electrical outlet. The linked led lighting fixtures can be operated independently of each other. ... Solid Inc

12/28/17 / #20170373417

Base station interface device of distributed antenna system

A base station interface device including an interface board, which is located in a housing and determines an upper portion of a first surface as a first mounting location and an upper portion of a second surface opposite to the first surface as a second mounting location, including a relay connector wherein one end is exposed to the upper portion of the first surface and the other end is exposed to the upper portion of the second surface; a base station signal matching unit mounted on the first mounting location and including a first connector coupled to the one end of the relay connector; and a base station signal processing unit mounted on the second mounting location and including a second connector coupled to the other end of the relay connector.. . ... Solid Inc

12/28/17 / #20170370766

Apparatus and method for processing output signal of analog-to-digital converter

According to an aspect of the inventive concept, there is provided an apparatus for processing an output signal of an analog-digital converter, includes: a first frequency conversion unit for converting a frequency of the output signal of the analog-digital converter so that a band where spurious components exist moves to a band where direct current components exist in the output signal of the analog-digital converter; a spurious component blocking unit for eliminating, from an output signal of the first frequency conversion unit, spurious components which have moved to the band where direct current components exist; and a second frequency conversion unit for restoring a frequency of an output signal of the spurious component blocking unit to the original frequency of the output signal of the analog-digital converter.. . ... Solid Inc

12/21/17 / #20170367061

Node unit capable of measuring and compensating transmission delay and distributed antenna system including the same

Provided is a node unit which is branch-connected to another communication node via a transport medium, the node unit comprising: a delay measurement unit which transmits a test signal for measuring a delay to an adjacent node unit of the branch-connected upper stage via the transport medium and detects a loopback signal to which the test signal is looped back via the adjacent node unit of the upper stage, thereby measuring an upper stage transmission delay between the adjacent node unit of the upper stage and the node unit; a delay summation unit which, when an adjacent node unit of the branch-connected lower stage exists, receives a lower stage transmission delay transmitted from the adjacent node unit of the lower stage, and calculates a summed transmission delay by summing the upper stage transmission delay and the lower stage transmission delay; and a control unit which transmits the summed transmission delay to the adjacent node unit of the upper stage.. . ... Solid Inc

12/21/17 / #20170366247

Interference cancellation repeater

An interference cancellation repeater includes: a first transmission/reception processing unit configured to convert a radio frequency (rf) input signal input via a link antenna communicatively coupled to a base station into a digital input signal; an interference canceller configured to cancel an interference signal from the digital input signal and to output an interference canceled signal; a second transmission/reception processing unit configured to convert the interference canceled signal into an rf output signal and to amplify the rf output signal; and a gain controller configured to detect a gain change of the interference cancellation repeater based on the interference canceled signal and to change a current gain of the interference cancellation repeater to a target gain by adjusting intensity of at least one of the rf input signal, the interference canceled signal, and the rf output signal when the gain change of the interference cancellation repeater is detected.. . ... Solid Inc

12/21/17 / #20170366150

Amplification apparatus having single-input multi-output structure

According to one mode of the inventive concept, an amplification device includes a first amplifier configured to amplify an input multi-band signal to a first level, a separating unit configured to separate the multi-band signal having the first level into a first band signal and a second band signal, and a second amplifier configured to amplify the second band signal to a second level.. . ... Solid Inc

12/21/17 / #20170364628

Simplifying a computer-aided design model while retaining references

A computer-implemented method constructs a three-dimensional (3d) model, deletes data defining two or more features of the 3d model, and creates a new feature to replace the two or more features. Each of the two or more features has a set of faces, and a reduced amount of data is associated with the new feature with respect to the amount of data defining the two or more features. ... Solid Inc

12/21/17 / #20170360146

Soft shell boots and waterproof/breathable moisture transfer composites and liner for in-line skates, ice-skates, hockey skates, snowboard boots, aplpine boots, hiking boots and the like

The soft boot and liner include a moisture transfer system that includes an inner fabric layer carefully selected from technically advanced fabrics. A series of layers are provided outside the inner liner including foam material layers, spacer fabrics and breathable membranes, in various orders. ... Solid Inc

12/14/17 / #20170359103

Node unit and method of processing signal for distributed antenna system

According to an aspect of the inventive concept, there is provided a signal processing method performed in a distributed antenna system, includes extracting at least a part of sample data corresponding to an occupied frequency band from a digitized analog rf signal; and combining the extracted sample data.. . ... Solid Inc

12/07/17 / #20170347730

Lightweight, breathable, waterproof, soft shell composite apparel and technical alpine apparel

The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as open-cell foam. ... Solid Inc

11/30/17 / #20170341989

Conditioned curing systems and processes thereof

The invention provides novel apparatus and processes for gas flow and conditioning to achieve optimal co2 curing of articles of composite materials (e.g., precast objects made of carbonatable calcium silicate-based cements), with solid interior or having hollow interior ducts, channels and chambers or otherwise being hollowed out, as well as the precast objects so made, which are suitable for a variety of applications in construction, pavements and landscaping, and infrastructure.. . ... Solid Inc

11/16/17 / #20170325425

Multifunctional dog chain

A multifunctional dog chain includes at least two ropes, a handle ring and hooks. Rear ends of the at least two ropes are interconnected to form a first connecting portion, the handle ring is in 360° rotary connection with the first connecting portion, front ends of the ropes are separated, the hooks used for connecting with dog collars are arranged on each of said ropes, an adjustable rope clamp is arranged between the ropes and connected to the ropes to separate the ropes into a front part and a rear part, the ropes between the first connecting portion and the adjustable rope clamp form the closed rear part, each of the ropes in the front part is of a separated structure, and the adjustable rope clamp can move back and forth along said ropes. ... Solid Inc

11/09/17 / #20170323844

Strain-tolerant die attach with improved thermal conductivity, and method of fabrication

A mechanically-stable and thermally-conductive interface device between a semiconductor die and a package for the die, and related method of fabrication, comprising: a semiconductor die; a package for the die; a surface area-enhancing pattern on the package and/or the die; and die attach materials between the die and the package, the die attach materials attaching the die to the package through an interface provided by the die attach materials; wherein: an effective bonding area between the die attach materials and the package and/or the die is greater with the pattern than without the pattern; and the increase of the effective bonding area simultaneously increases the surface area for thermal transport between the package and/or the die, and the die attach materials; and increases the surface area for stably attaching the at least one of the package and the die to the die attach materials.. . ... Solid Inc

11/09/17 / #20170320781

Synthetic pozzolans

Synthetic pozzolans are produced using local materials to provide a cementitious material that is uniform in chemistry and properties independent of the location where the materials are obtained. Two methods of production are described. ... Solid Inc

10/26/17 / #20170310935

Verification and adjustment systems and methods for additive manufacturing

Verification and adjustment systems and methods correct at least one build error that is detected in a component built by additive manufacturing (hereinafter “am”). The systems and methods comprise an am device, a first imaging device, a second imaging device and computer-implement steps for correcting the build error present in the component. ... Solid Inc

10/12/17 / #20170293369

Hand-controllable signal-generating devices and systems

Apparatus including: hand-controllable signal-generating device that includes body having top side, and bottom side spaced apart from and facing away from top side, bottom side being configured for facilitating displacements of body over working surface in two-dimensional directions, body having biaxial-displacement detector configured for generating biaxial displacement signals representative of displacements of body in two-dimensional directions; and signal transmitter configured for communicating biaxial displacement signals to external electronic processor. Body has palm rest on top side; palm rest includes palm contact surface having contour for receiving portion of palm of person's hand into contact at position on palm contact surface. ... Solid Inc

10/05/17 / #20170288767

Base station signal matching device

A base station signal matching device is a base station signal matching device mounted in a distributed antenna system for amplifying a received base station signal and transmitting the amplified base station signal to a user terminal. The base station signal matching device includes a first unit for generating first and second branch base station signals by using a power division function based on the base station signal, and transmitting the second branch base station signal to a third unit, and a second unit for matching the first branch base station signal to be suitable for signal processing of the distributed antenna system.. ... Solid Inc

10/05/17 / #20170288267

Method for forming liquid electrolyte-containing gel electrolyte membrane and electrode assembly, and gel electrolyte cell and method for forming the same, and gel polymer lithium-ion battery

The present disclosure provides a method for forming liquid electrolyte-containing gel electrolyte membrane and electrode assembly, and gel electrolyte cell and method for forming the same, and gel polymer lithium-ion battery. The method for forming the liquid electrolyte-containing gel electrolyte membrane, which includes the following steps, providing a cathode or an anode; forming a liquid mixture c and a liquid electrolyte d; forming a gel membrane on at least one surface of the cathode and/or the anode by the liquid mixture c; forming the liquid electrolyte-containing gel electrolyte membrane by the gel membrane absorbing the liquid electrolyte d. ... Solid Inc

10/05/17 / #20170288266

Gel electrolyte membrane and method for forming the same, electrode assembly, gel polymer lithium-ion battery and electric vehicle

The present disclosure provides a gel electrolyte membrane and a method for forming the same, an electrode assembly, a gel polymer lithium-ion battery and an electric vehicle. The gel electrolyte membrane is located between the cathode and the anode, and has adhesion of solid electrolyte and electrical conductivity of ion of liquid electrolyte. ... Solid Inc

09/14/17 / #20170260096

Hazing control for carbonatable calcium silicate-based cements and concretes

The invention provides novel methods and compositions that mitigate the occurrence of hazing of products made from carbonatable calcium silicate-based cements. The methods and compositions of the invention may be applied in a variety of cement and concrete components in the infrastructure, construction, pavement and landscaping industries.. ... Solid Inc

09/07/17 / #20170257465

Mobile communication base station system

A base station system includes a main conversion unit configured to receive a first downlink frame conforming to a first protocol and a second downlink frame conforming to a second protocol, and configured to reconstruct the first and second downlink frames to conform to a third protocol and generate a downlink transmit frame; and a radio unit including a remote conversion unit that receives the downlink transmission frame and disassembles the received downlink transmission frame to output at least one of the first and second downlink frames.. . ... Solid Inc

09/07/17 / #20170257157

Base station signal matching device and relay device including the same

A base station signal matching device configured to receive a base station signal from a base transceiver station (bts), the base station signal matching device is embedded in a relay device, and the base station signal matching device includes a signal attenuation unit configured to receive the base station signal and attenuate the input power level of the base station signal; and a signal matching unit configured to receive the base station signal passing through the signal attenuation unit to match the base station signal suitable for signal processing of the relay device.. . ... Solid Inc

09/07/17 / #20170253530

White carbonatable calcium silicate-based cements and methods of preparation and use thereof

The invention provides a new class of carbonatable calcium silicate-based, white clinkers and the ground cement produced from these clinkers, as well as methods of their production and use thereof. The disclosed white clinkers and the ground cement exhibit a high brightness and are suitable for use in products with high aesthetic considerations.. ... Solid Inc

08/24/17 / #20170244497

Detection of oscillations in signal amplifiers

Systems and methods of detecting oscillation for a wireless signal amplifier are presented. The wireless signal amplifier includes an oscillation detection module configured to generate a first waveform along a frequency domain based on a first signal that has been amplified at a first gain. ... Solid Inc

08/03/17 / #20170222740

Remote apparatus of distributed antenna system

A remote apparatus includes: a plurality of sub amplification units amplifying radio frequency (rf) signals of different frequency bands, respectively; a test signal generation unit generating test signals of a frequency band for any one sub amplification unit among the plurality of sub amplification units; a conversion unit converting intermodulation (im) signals generated in response to the test signals into a plurality of conversion im signals by using a conversion signal of which a frequency is swept; and a control unit determining a degree of an intermodulation distortion by the any one sub amplification unit based on signal levels of the plurality of the conversion im signals.. . ... Solid Inc

07/27/17 / #20170215153

Headend device of distributed antenna system and signal processing method thereof

A headend device includes a spectrum analysis unit configured to analyze a frequency spectrum of a plurality of base station signals to detect characteristic information of the plurality of the base station signals, a control unit configured to generate a control signal to control a power of the plurality of the base station signals on the basis of the characteristic information detected, and a plurality of rf units configured to receive at least one of the plurality of the base station signals and adjust the power of the base station signals received according to the control signal and output the power-adjusted base station signals.. . ... Solid Inc

07/27/17 / #20170214190

Electrical cord having plugs with improved safety features

An electrical cord having improved safety features comprises a plug having a first body portion surrounding respective first ends of first, second, and third electrical wires. A live blade is in electrical communication with the first end of the first electrical wire. ... Solid Inc

07/27/17 / #20170214182

Electrical cord having plugs with improved safety features

An electrical cord having improved safety features comprises a plug having a body portion surrounding respective ends of first, second, and third electrical wires. A live receptacle is in electrical communication with the end of the first electrical wire. ... Solid Inc

07/27/17 / #20170213286

System and method for trading distinct and identifiable portions of a physical commodity

A method can include obtaining a physical commodity that is divided into one or more physical units. The method can further include storing the physical commodity in a secure vault. ... Solid Inc

07/20/17 / #20170204010

Novel cement chemistries

A cementitious composition comprising a crystalline phase and an amorphous phase, and an activator selected from the group of materials comprising inorganic bases. In some cases the crystalline phase is gehlenite. ... Solid Inc

07/13/17 / #20170201312

Communication module assembly

A communication module assembly includes a case; a communication module accommodated in the case and including at least two module terminals; and a connection member including connection terminals respectively connected to the module terminals, and a bridge unit configured to connect the connection terminals, wherein when the connection terminals and the module terminals are disconnected, the connection terminals are electrically connected to each other through the bridge unit.. . ... Solid Inc

07/06/17 / #20170195580

Resolution for autostereoscopic video displays

A single pixel of a video display can display respective individual pixels of multiple views. In other words, a video display can include more views for an autostereoscopic image than the physical pixels of the video display would ordinarily support. ... Solid Inc

07/06/17 / #20170195073

Repeater and signal attenuation method thereof

A repeater including an analog attenuator configured to attenuate an analog signal in response to a first control signal; an analog to digital converter (adc) configured to convert the attenuated analog signal into a digital signal; a digital attenuator configured to attenuate the digital signal in response to a second control signal; and an attenuation controller configured to calculate average power and peak power of the attenuated digital signal, determine an attenuation value for each value of the calculated average power and peak power, and generate at least one of the first and second control signals based on the determined attenuation values.. . ... Solid Inc

07/06/17 / #20170195036

Interference cancellation repeater and signal attenuation method thereof

An interference cancellation repeater including a subtractor configured to subtract an estimated signal from a digital reception signal and output an interference canceled signal; a first power calculator configured to calculate power of the digital reception signal; a second power calculator configured to calculate power of the interference canceled signal; and an attenuation controller configured to compare a power value of the calculated digital reception signal with a power value of the calculated interference canceled signal and determine an attenuation value of the interference canceled signal according to the comparison result.. . ... Solid Inc

07/06/17 / #20170194986

Data compression device and method using floating point format

A data compression device includes an analog to digital converter (adc) configured to convert an analog signal into a digital signal including in-phase and quadrature components; and a compressor configured to generate a 28-bit fixed-point digital signal in which bits of the in-phase and quadrature components are alternately arranged, generate an exponent bit string by comparing n most significant bits of a data bit string excluding two sign bits in the 28-bit fixed-point digital signal with preset mapping data, wherein the exponent bit string includes 4 bits, generate a mantissa bit string composed of 14 bits corresponding to up to 14th bit from a bit next to the n most significant bits of the data bit string, and generate a 20-bit floating point digital signal by combining the two sign bits, the exponent bit string, and the mantissa bit string, wherein n is a natural number equal to or greater than 2 and equal to or less than 12.. . ... Solid Inc

07/06/17 / #20170193695

Modifying a sub-division model based on the topology of a selection

A computer-implemented method and system create a three-dimensional (3d) model represented by a sub-division surface and defining a solid or a surface model. A selected entity of the 3d model is selected and with one or more surrounding entities a determination is made of a type of operation to perform. ... Solid Inc

06/29/17 / #an apparatus for three-dimensional printing of three-dimensional products operating by solidification, through light radiation, of successive layers of a growth liquid that includes a photopolymer that can be solidified by said light radiation, the apparatus comprising a vat for growth of the print product, which is designed to contain said growth liquid, an actuating portion associated to a print surface designed to adhere to the successive layers after solidification in order to move the print product during growth in said growth vat, and a light source, which faces said bottom part, for emitting said light radiation.

Solido3d S.r.l.

. . ... Solid Inc

06/29/17 / #20170187561

Method and devices for reducing peak to average power ratio

According to an aspect of the inventive concept, there is provided a crest factor reduction (cfr) core, including: a clipper clipping an input signal; a delay unit delaying the input signal; a first subtractor subtracting the clipped input signal from the delayed input signal; an error shaping filter filtering the subtracted signal for shaping an error which occurs by the clipping of the input signal; a digital filter filtering the input signal for cancelling noise of the input signal; and a second subtractor subtracting the filtered subtracted signal from the filtered input signal.. . ... Solid Inc

06/29/17 / #20170187550

Peak cancellation-crest factor reduction device, peak-to-average power ratio reduction method, and peak value determination device

A peak cancellation-crest factor reduction (pc-cfr) device includes a clipping unit configured to output a clipping error signal by clipping amplitude values of a first baseband complex signal based on a predetermined threshold value; a peak value determination unit configured to receive the clipping error signal, and determine a first amplitude value as a peak value when the first amplitude value is greater than a second amplitude value input before the first amplitude value and a third amplitude value input after the first amplitude value among amplitude values of the clipping error signal; a cancellation pulse generator (cpg) allocation unit configured to allocate the peak value to a cpg; and a subtractor configured to subtract a cancellation pulse generated from the cpg from the first baseband complex signal and output a second baseband complex signal with a reduced peak-to-average power ratio (papr).. . ... Solid Inc

06/29/17 / #20170187449

Interference cancellation repeater

An interference cancellation repeater for canceling an interference signal included in an input signal including a first adaptive filter configured to generate a first estimated signal; a second adaptive filter configured to generate a second estimated signal; a first scaler configured to scale the first estimated signal based on a first scale factor determined according to a channel state; a second scaler configured to scale the second estimated signal based on a second scale factor determined according to the channel state; a first canceller configured to generate a first interference canceled signal based on the input signal and the scaled first estimated signal; and a second canceller configured to generate a second interference canceled signal based on the first interference canceled signal and the scaled second estimated signal.. . ... Solid Inc

06/29/17 / #20170187448

Interference cancellation repeater

An interference cancellation repeater configured to cancel an interference signal included in an input signal, the interference cancellation repeater including: a canceller configured to generate an interference canceled signal based on the input signal and an estimated signal; a digital filter configured to filter the interference canceled signal to generate an output signal; an interference signal detector configured to generate interference signal existence interval information using the input signal and the output signal; and an adaptive filter configured to receive the interference canceled signal and the output signal, and generate the estimated signal based on the interference signal existence interval information. Information of the signal existence section. ... Solid Inc

06/29/17 / #20170184284

Linkable lighting systems

An led linkable light system including led light assemblies having led light fixtures which are linkable together to enable linked individual led lights to be turned on or off individually or together. Any number of led linkable light fixtures can be linked together, and electricity is provided by a power cord being linked to one of the linked led light fixtures and to a power source. ... Solid Inc

06/22/17 / #20170180186

Monitoring device for distributed antenna system

A monitoring device for a distributed antenna system including at least two node units communicatively coupled to each other transmits, to at least one target node unit among the node units, a data dump command for a first target signal passing through a first signal path in the target node unit. The monitoring device receives, from the target node unit, response data corresponding to the data dump command. ... Solid Inc

06/08/17 / #20170162333

Capacitor and process for producing thereof

A roll-up type capacitor includes a cylindrical part, a first external electrode, and a second external electrode. The cylindrical part is a rolled-up laminate in which a lower electrode layer, a dielectric layer and an upper electrode layer are laminated in this order. ... Solid Inc

06/08/17 / #20170162332

Capacitor and process for producing thereof

A roll-up type capacitor that includes a diffusion-preventing layer, a lower electrode layer, a dielectric layer and an upper electrode layer laminated in this order and rolled-up so that the upper electrode layer is present on an inner side, and the diffusion-preventing layer is formed by an atomic layer deposition method.. . ... Solid Inc

06/01/17 / #20170155430

Point-to-multipoint communication system in which automatic id allocation is possible

There is provided a first unit which constitutes a point-to-multipoint communication system and is connected to communicate with each of a plurality of second units. The first unit includes a control signal extraction unit, a signal switching unit and a controller. ... Solid Inc

05/18/17 / #20170141836

Multi-antenna relay device

Provided is a multi-antenna relay device. The multi-antenna relay device having first to n-th (n is a natural number of 2 or more) channel formed between receiving antennas and transmitting antennas corresponding to each other, comprising: first to n-th channel interference cancellation units, respectively, included in a corresponding channel among the first to n-th channels and canceling first to n-th channel interference signals corresponding to signals radiated through the first to n-th channels from signal input into the corresponding channel in real time.. ... Solid Inc

05/11/17 / #20170134088

Optical communication line monitoring apparatus and method

Disclosed is an optical communication line monitoring apparatus comprising: an optical transceiver for transmitting management frames to remote devices connected to optical communication lines and receiving response frames transmitted from the remote devices; an optical time domain reflectometer (otdr) for transmitting optical pulse signals to the optical communication lines and detecting reflection signals reflected from the optical communication lines, which have received the optical pulse signals; an optical switch for switching the optical transceiver and the otdr at an input terminal thereof and switching each of multiple optical communication lines at an output terminal thereof; and a monitoring unit for determining whether or not a first optical communication line is abnormal based on a response frame transmitted from a first remote device, with the input terminal connected to the optical transceiver and the output terminal connected to the first optical communication line among the multiple optical communication lines.. . ... Solid Inc

05/04/17 / #20170126362

Distributed antenna system

A technology related to a distributed antenna system is disclosed. In an exemplary embodiment, a distributed antenna system may include a master unit and a plurality of remote units. ... Solid Inc

05/04/17 / #20170126344

Ethernet-based communication system

An ethernet-based communication system is provided. The communication system comprises: a first unit configured to generate a reference clock signal by using an input first ethernet signal, multiplex the first ethernet signal and a second ethernet signal in response to the reference clock signal, and output the multiplexed ethernet signals; a second unit configured to generate the reference clock signal by using the multiplexed ethernet signals, separate the second ethernet signal from the multiplexed ethernet signals in response to the reference clock signal, and output the first ethernet signal; and a transmission medium for connecting the first and second units and transmitting the multiplexed ethernet signals from the first unit to the second unit.. ... Solid Inc

05/04/17 / #20170121223

Steam-assisted production of metal silicate cements, compositions and methods thereof

The invention provides a novel, steam-assisted production methodology and associated compositions and methods of use in the manufacture of carbonatable or non-carbonatable metal silicate or metal silicate hydrate (e.g., calcium silicate or calcium silicate hydrate) compositions. These metal silicate compositions and related phases are suitable for use hydraulic, partially hydraulic or non-hydraulic cement that sets and hardens by a hydration process, a carbonation process or a combination thereof, and may be applied in a variety of concrete components in the infrastructure, construction, pavement and landscaping industries.. ... Solid Inc

04/27/17 / #20170118768

Node unit of distributed antenna system

The inventive concept relates to a distributed antenna system (das), and more particularly, to an uplink signal transmission operation of each of node units constituting a das. A node unit of a das includes a multiplexer configured to generate a single uplink signal by selectively outputting any one of m uplink signals received from m lower node units at an interval of a predetermined output time, where m is a positive integer greater than 1, and a down-sampler configured to output a transmission uplink signal by converting a sampling rate of the single uplink signal to correspond to a sampling rate of any one of the m uplink signals. ... Solid Inc

04/27/17 / #20170117977

Node unit capable of measuring delay and distributed antenna system including the same

A node unit of distributed antenna system, the node unit comprises a delay measuring part configured to transmit a first test signal for delay measurement to an upper adjacent node unit and detect the first test signal looped back via the upper adjacent node unit and measure a round trip delay between the node unit and the upper adjacent node unit, and a delay providing part disposed on a signal transmission path through which a second test signal for delay measurement, to be transmitted from a lower adjacent node unit, is to be looped back to the lower adjacent node unit, and configured to provide a delay corresponding to the round trip delay.. . ... Solid Inc

04/20/17 / #20170111957

Signal processing device for distributed antenna system

A signal processing device according to an exemplary embodiment of the inventive concept can integrate a power amplifier, a duplexer, and a linearizer as a module to improve the convenience of management and to improve flexibility and extensibility so as to be transformable corresponding to a change in system development concept.. . ... Solid Inc

04/20/17 / #20170111717

Relay system in ring topology

A master unit configured to manage a plurality of remote units connected in a ring topology, the master unit comprising: a network management section configured to transmit at least one of a path-state monitoring control signal and a delay measurement control signal to the plurality of remote units in a first direction and a second direction which is a reverse direction of the first direction, and receives an acknowledgement signal in response to the at least one of a path-state monitoring control signal and a delay measurement control signal; and switching control means for transmitting a forward signal received from a base station in the first direction, and transmitting a switching control signal in the second direction when a defect is detected in any remote unit among the plurality of remote units by the network management section.. . ... Solid Inc

04/13/17 / #20170104982

Presentation of a virtual reality scene from a series of images

A method and system that uses multiple views of a single image to create a three dimensional scene having a projected depth of projection. The projected depth of projection may be controlled by choosing views having a particular number of views separating them. ... Solid Inc

04/13/17 / #20170102373

Curing-drying model and its applications

The invention encompasses methods to control the curing of a co2 composite material (ccm) and processes that use such equipment to cure the ccm. The method provides a way to compute the expected water distribution in an uncured porous concrete product based on a set of environmental conditions on.. ... Solid Inc

04/13/17 / #20170101986

Device and method for damping pressure fluctuations in the delivery line of a thick-matter pump

A device for damping pressure fluctuations in a delivery line of a thick-matter piston pump. The device includes a container communicating with the delivery line and at least partially filled with a compressible fluid. ... Solid Inc

03/16/17 / #20170078281

User login method and system capable of analyzing user face validity

A user login method and system capable of analyzing user face validity is disclosed to request the user provide a digital authentication information containing the username and password and to simultaneously capture the user face instant video streaming, and then to analyze and obtain the valid physiological characteristic information of the user face instant video streaming, and then to get the valid face image from the captured user face instant video streaming, and then to output the valid physiological characteristic information, the valid face image and the digital authentication information for use as valid login credentials, improving the authenticity and accuracy of the login credentials.. . ... Solid Inc

03/16/17 / #20170075434

Electronic board and electronic board system including the same

Provided is an electronic board system including an electronic board which includes a sheet on which a pattern for determining position information is printed and a glass layer which is formed on the sheet and has a thickness of 0.1 mm to 3 mm, an electronic pen which senses the pattern and extracts position information on the electronic board from the sensed pattern, and an information processing apparatus which receives the position information from the electronic pen and controls a processing result according to the received position information to be output on the electronic board.. . ... Solid Inc

02/23/17 / #20170050166

Irradiation systems using curved surfaces

One aspect of the disclosure relates to an irradiation system. The irradiation system may include: a first irradiation source coupled with a base at a first position; a second irradiation source coupled with the base at a second position; a first reflector configured to direct irradiation from the first irradiation source to a first desired focal point; and a second reflector configured to direct irradiation from the second irradiation source to the first desired focal point or a second, distinct desired focal point.. ... Solid Inc

02/16/17 / #20170043821

Track for traction of an off-road vehicle such as a snowmobile or an all-terrain vehicle (atv)

A track for traction of an off-road vehicle such as a snowmobile or an all-terrain vehicle (atv). The track comprises an inner surface, a ground-engaging outer surface, and a plurality of traction projections projecting from the ground-engaging outer surface. ... Solid Inc

01/26/17 / #20170026106

Base station signal matching device

A base station signal matching device is a base station signal matching device mounted in a distributed antenna system for amplifying a received base station signal and transmitting the amplified base station signal to a user terminal. The base station signal matching device includes a first unit for generating first and second branch base station signals by using a power division function based on the base station signal, and transmitting the second branch base station signal to a third unit, and a second unit for matching the first branch base station signal to be suitable for signal processing of the distributed antenna system.. ... Solid Inc

01/19/17 / #20170018891

Coaxial connector

The present invention relates to a coaxial connector. According to the present invention, there is provided a coaxial connector which is installed for electrical connection of a communication module, and includes a first connector in which an insulator through which a conductor penetrates is installed inside a first housing, and a conductive gasket is seated between the first housing and the insulator; and a second connector which is coupled so that a front end comes into close contact with the conductive gasket.. ... Solid Inc

01/19/17 / #20170018876

Communication module assembly

The present invention relates to a communication module assembly. The present invention is a communication module assembly which is electrically connected to a communication device and is supplied with power and signal, and can include a connection port unit that is supplied with the power and the signal from the communication device; a cable connection portion which is provided in the connection port unit, and to which cables electrically connected to the communication device is connected; a plurality of communication modules that is stacked on and connected to the connection port unit in a plug-in type; and a guide means for guiding the communication module such that the communication modules are connected to the connection port unit in a central direction.. ... Solid Inc

01/19/17 / #20170014226

Self-supporting prosthesis for plastic and reconstructive surgery

A self-supporting prosthesis, in particular for plastic and reconstructive surgery, comprises a body provided with a main portion suitable to reshape or fill the area of the body of the patient in which the prosthesis is intended to be implanted. The self-supporting prosthesis is characterised in that the body comprises a fixing portion suitable to allow fixing directly on the muscle tissue of the area of implantation.. ... Solid Inc

01/12/17 / #20170012696

Interference cancellation relay device

Provided is an interference cancellation relay device. The interference cancellation relay device includes: an interference cancellation unit cancelling an interference signal from an input signal and outputting the input signal from which the interference signal is removed; a gain control unit controlling a gain of an output signal of the interference cancellation unit; and a pre-distortion unit distorting the output signal of the interference cancellation unit, of which the gain is controlled by the gain control unit.. ... Solid Inc

01/12/17 / #20170009971

Smart pixel surface mount device package

Emitter panels and displays utilizing solid state packages and methods for fabricating the same are disclosed. One emitter panel comprises a raised barrier on a submount defining a plurality of cavities, each cavity having at least one led in a pixel area. ... Solid Inc

01/12/17 / #20170009557

Systems and methods for oil field solid waste processing for re-injection

Systems and methods for processing solid wastes from oil field operations are described, which may include or encompass removal of wastes from oil tanks, solid particle size reduction and recovery, and disposal by injection into a subterranean formation. Removal of liquefied solid wastes from oil tanks may be achieved by a washout and vacuum conveyance system. ... Solid Inc

01/12/17 / #20170008047

Systems and processes for cleaning tanker truck interiors

A system and process for cleaning a vessel is described. In embodiments, the system has one or more manway adapters configured to fit one or more manways of the vessel and deliver a cleaning solution through them. ... Solid Inc

01/12/17 / #20170008046

Devices, systems, and processes for cleaning the interiors of frac tanks

Provided are washout devices for cleaning the interior of a frac tank. In embodiments, the devices may comprise (i) a wand comprising a first pipe and a second pipe; wherein the second pipe is positioned in parallel below the first pipe; wherein one or more trusses connect the first pipe and the second pipe; (ii) a support member in communication with a proximal end of the wand such that the wand is suspended above and at a desired angle relative to the ground; (iii) one or more washout nozzles disposed along the length of the first pipe. ... Solid Inc

01/12/17 / #20170008045

Systems and processes for cleaning tanker truck interiors

A system and process for cleaning a vessel is described. In embodiments, the system has one or more manway adapters configured to fit one or more manways of the vessel and deliver a cleaning solution through them. ... Solid Inc








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