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Mitsubishi Electric Corporation patents


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

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


Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes

An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.. . ... Mitsubishi Electric Corporation

Image generation system and image generation method

Image generation apparatuses (10) are provided so as to correspond to areas (62), respectively, into which a target area (60) is divided, and each image generation apparatus (10) has a plurality of imaging apparatuses (50) connected thereto that each capture a corresponding area which is an area (62) corresponding to the image generation apparatus (10). Each image generation apparatus (10) generates, as partial image data (72), downward view image data for its corresponding area from imaging data (71) captured by the plurality of imaging apparatuses (50). ... Mitsubishi Electric Corporation

Secret search system, management device, secret search method and computer readable medium

The present invention is provided with an encryption similarity calculation unit to calculate an encryption similarity being a similarity degree between storage data and search data encrypted using a homomorphic encryption, by performing a homomorphic operation on storage encryption data being the storage data encrypted using the homomorphic encryption, and search encryption data being the search data encrypted using the homomorphic encryption, the search data being used in search of the storage data, and an encryption result transmission unit to generate an encryption search result to represent whether or not the similarity degree is not more than a threshold value θ by using the encryption similarity, and to transmit the encryption search result to a search device.. . ... Mitsubishi Electric Corporation

Control device of ac rotating electrical machine

A control device of an ac rotating electrical machine includes: a midpoint potential detection unit 12 that detects, for respective phases, midpoint potentials 43, 44, 45 of upper switching elements 41 and lower switching elements 42 of an inverter circuit 20; a phase current detection unit 23 that detects a phase current of each phase of an ac rotating electrical machine 3; and a cpu 11 that calculates a current estimated value idc of dc current that is input from a dc power supply 2 to the inverter circuit 20, on the basis of the detected midpoint potential of each phase and the phase current of each phase.. . ... Mitsubishi Electric Corporation

Power conversion device

During regenerative control of an inverter circuit, when a path between a dc power supply and a smoothing capacitor is in a disconnection state, a control circuit of a power conversion device performs control while switching between first control in which upper switching elements within the inverter circuit are turned on and all lower switching elements are turned off and second control in which the lower switching elements are turned on and all the upper switching elements are turned off, every predetermined switching period.. . ... Mitsubishi Electric Corporation

Electric drive device

This invention is concerning connecting members which connect a motor and inverters and which are arranged symmetrically such that magnetic fields produced by three-phase alternating current flowing in the connecting members cancel each other out and are reduced at the position of a magnetic sensor, and furthermore the connecting members are arranged such that fsum=sin(2θa+π/4)−sin(2θb−π/12)+sin(2θc−5π/12), and fdiff=sin(2θa−π/4)−sin(2θb+π/12)+sin(2θc+5π/12) satisfy relationships fsum<k and fdiff<k with respect to a predetermined required value k.. . ... Mitsubishi Electric Corporation

Method and apparatus for manufacturing rotor of electric motor

A method and an apparatus for manufacturing a rotor of an electric motor are provided to obtain an electric motor with high efficiency. To this end, a rotor is magnetized by using a magnetizing device. ... Mitsubishi Electric Corporation

Rotating electric machine

Slot accommodation portions of single coils forming an armature coil are arranged so as to be stacked in the radial direction in a slot. On the anti-wire-connection side, a one-side extending portion which is a coil end extending from the slot accommodation portion in the first layer, and a one-side extending portion which is a coil end extending from the slot accommodation portion in the second layer, extend in the same direction. ... Mitsubishi Electric Corporation

Rotor, motor, air-conditioning apparatus, and method for manufacturing rotor

A rotor, a motor, an air-conditioning apparatus, and a method for manufacturing a rotor are provided with high productivity and reliability and with structural stability. The rotor includes a shaft, an inner core into which the shaft is inserted, an outer core provided on a radially outer side of the inner core and composed of a plurality of divided cores formed by stacking a plurality of thin plate materials and connected in an annular shape, and a coupling member made of resin, coupling the inner core and the outer core together, and covering both end faces of the outer core in an axial direction of the shaft. ... Mitsubishi Electric Corporation

Rotor for induction motor and induction motor

A rotor for an induction motor 300 including end rings having an annular shape, which is provided at an end of a rotor core and is connected to a conductor bar projecting from the end of the rotor core, and first reinforcing members having an annular shape, each of which is provided between the rotor core and the corresponding one of the end rings and is in contact with the corresponding one of the end rings. The first reinforcing members each have an insertion hole formed therein to which the conductor bar projecting from the end of the rotor core is to be inserted.. ... Mitsubishi Electric Corporation

Battery energy storage systems based fast synchronization machine for power grids

A power system including a first and a second grid, each grid having power flow parameters. A breaker installed at a point of common coupling between the first and second grid. ... Mitsubishi Electric Corporation

Air conditioner

An object is to provide an air conditioner that can prevent malfunctions due to an inrush current, where the air conditioner includes an inrush-current prevention resistor that prevents inflow of an inrush current from an ac power supply, a relay-a operation unit as a first relay that is serially connected to the inrush-current prevention resistor, a relay-b operation unit as a second relay that is connected in parallel to the inrush-current prevention resistor and the relay-a operation unit as the first relay, an indoor control unit that controls on and off of the relay-a operation unit as the first relay, and an outdoor control unit that controls on and off of the relay-b operation unit as the second relay. When power is being supplied from the ac power supply via the relay-a operation unit as the first relay, the outdoor control unit turns on the relay-b operation unit as the second relay.. ... Mitsubishi Electric Corporation

Protection device and protection system

A protection device for a power converter provided between an ac system and a dc power transmission system is configured to: receive an input of an ac current value obtained between a transformer connected to the ac system and the power converter capable of converting ac power into dc power; receive an input of a change rate of a direct current detected by a rogowski coil provided between a dc line and the power converter, the dc line receiving dc power from the power converter; determine based on the ac current value and the change rate whether a fault occurs or not in one of the power converter and the dc line; and output information for protecting the power converter based on a determination result.. . ... Mitsubishi Electric Corporation

Protective relay device

In a protective relay device, a current differential relay computation unit determines whether or not a fault has occurred within a protected section based on an operating quantity and a restraint quantity. A disconnection detection unit computes a first amount of difference by subtracting the operating quantity a certain time period ago from the operating quantity at a present point in time, computes a second amount of difference by subtracting the restraint quantity the certain time period ago from the restraint quantity at the present point in time, and determines that a disconnection has occurred at one of first and second current transformers when a first determination condition that an absolute value of a sum of the first amount of difference and the second amount of difference is equal to or smaller than a first set value is satisfied.. ... Mitsubishi Electric Corporation

09/27/18 / #20180278027

High frequency discharge ignition device

By grounding a metal first housing, radiation noise generated from the coupling circuit is shielded. Further, by enclosing the first housing in a metal second housing in a manner such that the first housing and the second housing do not come into contact with each other, and grounding the second housing by connecting the second housing to an engine block, radiation noise generated by the capacitive component between the coupling circuit and the first housing is shielded by the second housing. ... Mitsubishi Electric Corporation

09/27/18 / #20180278018

Current control device and current control method

A current control device for controlling, on the basis of a current command value input from an external device, a light-emitting unit current flowing from a power supply device to a light-emitting unit that includes one or a plurality of laser diodes, includes: a switching element coupled in parallel to the light-emitting unit; and a pulse-width-modulation control circuit unit to provide pulse width modulation control of the switching element in a case in which an output current output from the power supply device is greater than a present current command value or a next current command value upon a start of supply of, upon a termination of supply of, or during supply of, the light-emitting unit current.. . ... Mitsubishi Electric Corporation

09/27/18 / #20180278012

Laser light source module

The purpose of the present invention is to provide a laser light source module that is capable of heat dissipation from a laser device and of suppressing the diffusion of a light beam due to the close arrangement of the laser device. The laser light source module comprises a stem that is a base plate and first and second laser assemblies disposed on the stem. ... Mitsubishi Electric Corporation

09/27/18 / #20180277699

Thermophotovoltaic energy converter

A thermophotovoltaic (tpv) energy converter includes a thermal emitter to generate photons of energy in response to receiving heat and a thermal receiver arranged at a distance from the thermal emitter. The thermal receiver includes a photovoltaic cell converting the received photons into electric energy. ... Mitsubishi Electric Corporation

09/27/18 / #20180277661

Thin film transistor substrate, manufacturing method for thin film transistor substrate, and liquid crystal display

A first semiconductor layer is opposed to a first gate electrode with intermediation of a gate insulation film, and is formed of amorphous silicon. First and second contact layers each have a portion arranged on the first semiconductor layer, and are formed of an oxide semiconductor. ... Mitsubishi Electric Corporation

09/27/18 / #20180277508

Pressure contact type semiconductor apparatus

In a pressure contact type semiconductor apparatus, a second intermediate electrode on a second semiconductor chip has one or more second through holes. The one or more second through holes are fluidly separated from a space hermetically sealed by a cylindrical body, a first common electrode plate and a second common electrode plate. ... Mitsubishi Electric Corporation

09/27/18 / #20180277119

Speech dialogue device and speech dialogue method

A correspondence relationship between keywords for instructing the start of a speech dialogue and modes of a response is defined in a response-mode correspondence table. A response-mode selecting unit selects a mode of a response corresponding to a keyword included in the recognition result of a speech recognition unit using the response-mode correspondence table. ... Mitsubishi Electric Corporation

09/27/18 / #20180276990

Traffic information estimation device and traffic information estimation method

This disclosure relates to a traffic information estimation device and a traffic information estimation method for estimating a time period of switching of a traffic signal display. The traffic information estimation device includes: an acquisition unit (203) acquiring arrangement information indicating an arrangement of vehicles in accordance with a time passage on a road on which a traffic signal is installed; a determination unit (205) determining changes in density of the vehicles by using the arrangement information; and a calculation unit (206) calculating a display change cycle indicating a time period of switching of a display of the traffic signal based on a time interval between the changes in density of the vehicles. ... Mitsubishi Electric Corporation

09/27/18 / #20180276884

Fast t-spline fitting system and method

A first t-spline fitting system includes a three-dimensional (3d) sensor, a processor and a memory storing a program for representing a point cloud of the scene using t-spline representation. The system executes acquiring an image of the scene using the 3d sensor, generating the point cloud from the image, determining a parameterized domain of the point cloud by mapping data points of the point cloud to values of parameters of the parameterized domain, partitioning recursively the parameterized domain into a set of patches, connecting the patches to form a t-mesh defining topology of control points in the parameterized domain, and fitting a t-spline surface into the point cloud according to the t-mesh to determine positions of the control points.. ... Mitsubishi Electric Corporation

09/27/18 / #20180276349

Digital content editing apparatus, digital content playback apparatus, digital content decrypting apparatus, web content playback apparatus, web content decrypting apparatus, digital content encrypting/decrypting system, and digital content encrypting/decrypting method

A digital content editing apparatus includes: a digital content generating unit for processing data and generating digital content constituted by a group of files, the digital content; and an encrypting unit for encrypting encryption target files among the group of files constituting the digital content generated by the digital content generating unit by using a part of the group of non-encryption target files among the group of files constituting the digital content.. . ... Mitsubishi Electric Corporation

09/27/18 / #20180275621

Model predictive control with uncertainties

A model predictive control (mpc) system for controlling an operation of a machine according to a model of the machine dynamics optimizes a cost function over a time-horizon subject to constraints to produce a sequence of control inputs to control the state of the machine over the time horizon. The machine is control using the first control input in the sequence. ... Mitsubishi Electric Corporation

09/27/18 / #20180274820

Refrigeration cycle apparatus

A condenser of a refrigeration cycle apparatus includes a first passage, a second passage, and a joint. The first passage connects to the compressor at a first end and is constituted of, at a second end, a first flat heat transfer tube including a plurality of passages thereof. ... Mitsubishi Electric Corporation

09/27/18 / #20180274800

Outdoor unit

An outdoor unit includes: a body casing in which an intake portion configured to suck air is formed in a lateral side, a blowout portion is formed in a top, the blowout portion being configured to blow out the air sucked through the intake portion, and an air path is formed between the intake portion and the blowout portion; a heat exchanger disposed in the air path; a fan unit disposed in the air path above the heat exchanger; and a mounting member mounting the fan unit on the body casing, wherein the mounting member includes a fixture portion fixed to the body casing and a fan-unit holding portion holding the fan unit, and the fan-unit holding portion retreats downward from the fixture portion.. . ... Mitsubishi Electric Corporation

09/27/18 / #20180274799

Outdoor unit and air-conditioning apparatus using the same

An outdoor unit including a compressor is configured to compress refrigerant, a heat source-side air sending device is configured to suck air, a heat source-side heat exchanger is configured to exchange heat between the refrigerant and the air, and a controller is configured to control the compressor, the heat source-side air sending device, and the heat source-side heat exchanger, in which the heat source-side air sending device is provided in an upper part of the outdoor unit, the controller is provided in a lower part of the outdoor unit, the heat source-side heat exchanger is provided along outer peripheral side surfaces of the outdoor unit, and a part of the heat source-side heat exchanger is provided along a working plane used by an engineer for maintenance work and is provided above the controller.. . ... Mitsubishi Electric Corporation

09/27/18 / #20180274493

Electromagnetic valve and vaporized gas treatment system

A first electromagnetic valve includes a suction port that communicates with a purge pipe and sucks vaporized gas from a canister, a discharge port that communicates with a first purge pipe and discharges the vaporized gas to a downstream side of a throttle, a branch port that communicates with second purge pipes to which a second electromagnetic valve is attached and causes the vaporized gas to branch off to an upstream side of a compressor, a branch passage that diverges into and communicates with the suction port, the discharge port and the branch port. The branch passage includes a chamber having an inner diameter larger than each inner diameter of the ports.. ... Mitsubishi Electric Corporation

09/27/18 / #20180273085

Power steering adjustment device

A steering control information calculation unit (2) calculates a graph of steering control information in accordance with steering control information acquired by a steering control information acquisition unit (1). A mark information input unit (3) acquires mark information input by an adjusting person. ... Mitsubishi Electric Corporation

09/27/18 / #20180273063

Train-position detection device

A train-position detection device (1) includes: a radio-wave's angle-of-arrival calculator (14) configured to calculate an angle of arrival of a radio wave on the basis of a reception signal received by an array antenna (11) and a receiver (12); a position acquisition unit (13) for a ground-based wireless communication apparatus, configured to acquire information on an installation position of a ground-based wireless communication apparatus (30) from the reception signal; a train-position calculator (15) configured to calculate a train position on the basis of a movement distance of a train (40); a correction-amount-to-train-position calculator (16b) configured to calculate a train-position correction amount, by using the radio wave's angle of arrival calculated by the radio-wave's angle-of-arrival calculator (14), the installation position of the ground-based wireless communication apparatus (30) acquired by the position acquisition unit (13) for a ground-based wireless communication apparatus, and the train position calculated by the train-position calculator (15); and a train-position correcting unit (17) configured to correct the train position calculated by the train-position calculator (15) by using the train-position correction amount calculated by the correction-amount-to-train-position calculator (16b).. . ... Mitsubishi Electric Corporation

09/27/18 / #20180273046

System and method for calibrating parameters of tires

A tire of a vehicle is calibrated based on a motion model of the vehicle relating control inputs to the vehicle with a state of the vehicle and a measurement model of the vehicle relating measurements of the motion of the vehicle with the state of the vehicle. The motion model of the vehicle includes a combination of a deterministic component of the motion and a probabilistic component of the motion, wherein the deterministic component of the motion is independent from the state of stiffness and defines the motion of the vehicle as a function of time. ... Mitsubishi Electric Corporation

09/20/18 / #20180270344

Unconfirmed-information output apparatus, and unconfirmed-information output method

The present information has been conceived in view of the problems, and has an object of controlling, in an in-vehicle unconfirmed-information output apparatus, output timing of unconfirmed information. An unconfirmed-information output apparatus according to the present invention is an apparatus mounted on a vehicle, and includes: a communication unit that communicates with a carry-in terminal brought into the vehicle to obtain unconfirmed information from the carry-in terminal; a driving state obtaining unit that obtains a driving state of the vehicle; and an output controller that controls output of the unconfirmed information on the basis of the driving state.. ... Mitsubishi Electric Corporation

09/20/18 / #20180270151

Communication apparatus and communication method

A communication apparatus 1 is provided with a first communication interface 11, second communication interfaces 12 connected to a plurality of access routers 3 connected to an internet 6, and a route determination unit which, for a packet being communicated from the first communication interface 11 to the second communication interfaces 12, determines the second communication interface 12 in accordance with an elapsed time since connecting start of a connection with a destination of the packet. Connections having started within a predetermined time are treated as connections constituting one user session. ... Mitsubishi Electric Corporation

09/20/18 / #20180270140

Relay device and communication network

A layer-2 switch, forming a communication network along with a communication terminal, includes a plurality of communication ports, frame identification units to identify a specific frame that is regularly transmitted from the communication terminal in the communication network, a setting unit to set a monitoring cycle and a reception threshold for detecting a loop path in the communication network, a monitoring unit to identify, for each of the communication ports, a plurality of communication terminals that are a source of the specific frame, and to count the number of the specific frames received from each of the communication terminals within the monitoring cycle, and a determination unit to determine whether a loop path is detected for each of the communication ports by comparing a counter value, which indicates the number of the specific frames, with the reception threshold, and to execute control to stop transmission and reception of the frame at the communication port at which a loop path is detected.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180270080

Built-in apparatus, communication method, and computer readable medium

A built-in apparatus includes a response time buffer (11) that stores a response time, a calculation result buffer (14) that stores a calculated frame, and a transmission part (130). The transmission part (130) obtains second data and start processing for calculating a frame check sequence from the second data, upon receiving a transmission command (310), judges whether frame transmission processing for generating and transmitting the second data and the frame check sequence calculated from the second data as a response frame (320) will be completed within the response time, and transmits the calculated frame stored in the calculation result buffer (14) as the response frame (320) when judging that the frame transmission processing will not be completed within the response time.. ... Mitsubishi Electric Corporation

09/20/18 / #20180269911

Antenna device

Disclosed is an antenna device including element antennas for receiving signals, phase control units for controlling the phases of the signals received by the element antennas, a phase value series acquiring unit for acquiring phase value series in which phase values differing among the element antennas and changing with time are provided, a phase value setting unit for setting the phase values to the phase control units in accordance with the phase value series, a combining unit for combining the signals whose phases are controlled into a composite signal, an adc for digitizing the composite signal, a frequency calculating unit for calculating frequency shift amounts from the phase value series, ddcs for performing frequency conversion on the digitized signal by using the frequency shift amounts, lpfs each for performing low-pass filtering on the signal on which the frequency conversion is performed, and a beam forming unit for forming one or more beam signals by using the signals on each of which the low-pass filtering is performed.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180269822

Synchronous machine control device and permanent magnet temperature estimation method for synchronous machine

Provided are: a synchronous machine having permanent magnets as a field system; a stress estimator that estimates stress acting on the permanent magnets; and a first magnet temperature corrector that calculates an amount of demagnetization due to stress of armature interlinkage magnetic flux on the basis of the estimated stress, estimates an amount of demagnetization due to stress of the armature interlinkage magnetic flux on the basis of the rotor position of the synchronous machine, a current command and a voltage command, and the amount of demagnetization due to stress of the armature interlinkage magnetic flux; and outputs a permanent magnet temperature estimated value after correction, having factored therein the amount of demagnetization due to stress of the armature interlinkage magnetic flux from the estimated armature interlinkage magnetic flux.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180269771

Power conversion device

When a first medium phase voltage command and a first minimum phase voltage command are close to each other in a first three-phase voltage command, then a first three-phase application voltage is calculated from the first three-phase voltage command by switching from a first calculation process, which corresponds to first two-phase modulation, to a second calculation process, and when a second medium phase voltage command and a second minimum phase voltage command are close to each other in a second three-phase voltage command, a second three-phase application voltage is calculated from the second three-phase voltage command by switching from a third calculation process, which corresponds to first two-phase modulation, to fourth calculation process.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180269750

Ac power generator

This invention is concerning a rectifying device in an ac power generator, the rectifying device including a broken-ring-shaped heat sink supporting a rectifying element and cooling the rectifying element and a circuit board holding the heat sink. The circuit board includes an engaging projection. ... Mitsubishi Electric Corporation

09/20/18 / #20180269731

Rotating electrical machine and method of manufacturing rotating electrical machine

A rotating electrical machine includes a stator core including a plurality of stacked electromagnetic steel sheets, the stator core includes a core back and a tooth protruding from the core back, the tooth includes: plural first welded portions arranged on a first lateral face of the tooth with respect to a plane extending in a stacking direction of the electromagnetic steel sheets and equally dividing the width of the tooth, the first welded portions being arranged in the stacking direction; and plural second welded portions arranged on a second lateral face of the tooth with respect to the plane extending in the stacking direction, the second welded portions being arranged in the stacking direction, and the first welded portions and the second welded portions are staggered in the stacking direction.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180269663

Gas insulated switchgear

A basic unit portion configured by a standard unit and a variable unit portion whose shape is configured to be changeable. The basic unit portion includes: a first pressure tank with a first opening portion; a circuit breaker; a first bushing; a first disconnecting switch. ... Mitsubishi Electric Corporation

09/20/18 / #20180269162

Semiconductor device

There is provided a semiconductor device having a structure that can suppress occurrence of chipping in a device region and that can reduce manufacturing cost of the semiconductor device. A semiconductor device includes a substrate and a first amorphous insulating film. ... Mitsubishi Electric Corporation

09/20/18 / #20180269140

Semiconductor device

A lead frame extends from inside a sealing resin to outside the sealing resin, and is placed to make contact with a main surface of an insulating sheet opposite to a heat dissipation plate. A semiconductor element is jointed to at least a portion of a main surface of the lead frame opposite to the insulating sheet within the sealing resin. ... Mitsubishi Electric Corporation

09/20/18 / #20180269120

Semiconductor device

Provided is a technique of reducing detachment of a sealing resin in a semiconductor device, thereby achieving an increased improvement in lifetime of the semiconductor device. The semiconductor device includes the following: an insulating substrate; a metal block disposed on the upper surface of the insulating substrate; a semiconductor element mounted on the upper surface of the metal block; a case enclosing the semiconductor element, the metal block, and the insulating substrate; and a sealing resin sealing the semiconductor element and the metal block. ... Mitsubishi Electric Corporation

09/20/18 / #20180268980

Self-cooled reactor apparatus

A self-cooled reactor apparatus includes: a pair of frames attached to a vehicular mount, a coil disposed between the pair of frames and fixed to the frames, a cover disposed between the pair of frames, and a protective member. The coil is covered by the cover having at least a portion thereof in which through-holes are formed. ... Mitsubishi Electric Corporation

09/20/18 / #20180268974

Superconducting magnet device

A superconducting magnet device with which device breakage caused by a quench can be avoided while helium consumption is reduced. A sheet-like convection-preventing member is disposed at least either above or below a heat transfer member transferring to gaseous helium heat transferred from the outside, so as to cover a helium gas release tube for the gaseous helium, and thus heat exchange performance during transportation is improved. ... Mitsubishi Electric Corporation

09/20/18 / #20180268857

Optical disc and optical disc device

In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. ... Mitsubishi Electric Corporation

09/20/18 / #20180267915

Communication apparatus

The present invention is an spi-communication-method communication apparatus that has a plurality of slave communication units for a single master communication unit and an electric power converter utilizing the communication apparatus; the master communication unit outputs communication signals simultaneously to all of the slave communication units and separately reads respective data signals outputted by the slave communication units, in accordance with a priority.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180267159

Signal generator

A signal generator according to the invention includes: a reference signal source configured to output a clock signal; a phase locked loop (pll) circuit configured to generate a chirp signal as a feedback loop type circuit including a frequency divider using the clock signal; and a linearity-improvement processor configured to detect a frequency of a chirp signal of an m-th period generated by the pll circuit where m is an integer greater than or equal to 1, and to control a division ratio of the frequency divider such that a difference between a frequency of a chirp signal generated in (m+1)-th and subsequent periods in the pll circuit and a desired frequency becomes smaller than a difference between the detected frequency and the desired frequency.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180266885

Temperature measuring device

This temperature measuring device includes: a case which has a bottomed tubular shape with a closed portion at one end and an opening at the other end, and in which a temperature sensing part is disposed on the side of the closed portion; an infrared temperature sensor unit in which an infrared temperature detection unit that has a light-receiving surface receiving an infrared ray and detects the received infrared ray and outputs the ray in the form of an electrical signal is disposed opposite the temperature sensing part while being spaced therefrom inside the case; and a connection terminal unit which has in the interior thereof a circuit unit that acquires the electrical signal and that generates temperature information so that the temperature information is outputted to an external device, wherein the connection terminal unit can be disposed at a position spaced from the heat source.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180266861

Thermal air flow meter

This signal processing unit includes: a comparison signal output unit which outputs a comparison signal on a negative side that corresponds to a negative side portion, of a second amplitude-increased signal, which is on the negative side with respect to the comparison threshold th; an averaging processing unit which outputs an average signal obtained by averaging the comparison signal; a coefficient multiplication processing unit which outputs a coefficient-multiplied signal obtained by multiplying the average signal by an adjustment coefficient set in advance; and a signal correction processing unit which outputs, as a flow rate signal, a value obtained by correcting a first amplitude-increased signal so as to be decreased by use of the coefficient-multiplied signal, wherein the comparison threshold th is set on the basis of an output characteristic of a sensor measured in advance with respect to at least a forward flow direction of an intake air.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180266743

Air-conditioning apparatus

An air-conditioning apparatus is capable of efficiently performing defrosting operation without suspending a heating operation of an indoor unit. The air-conditioning apparatus includes a main circuit sequentially connecting, via a pipe, a compressor, indoor heat exchangers, first flow control devices, and a plurality of parallel heat exchangers connected in parallel to each other to allow refrigerant to circulate, first defrost pipes branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into one of the plurality of parallel heat exchangers and to be defrosted, an interface heat exchanger located between the plurality of parallel heat exchangers, a first bypass pipe branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into the interface heat exchanger, and a second bypass pipe causing the part of the refrigerant flowing out of the interface heat exchanger to flow into the main circuit.. ... Mitsubishi Electric Corporation

09/20/18 / #20180266737

Air-conditioning apparatus and operation controller of air-conditioning apparatus

An air-conditioning apparatus and an operation controller of the air-conditioning apparatus are capable of maintaining oil in a compressor at an appropriate amount and preventing efficiency degradation due to oil compression in the compressor. The air-conditioning apparatus includes a refrigerant circuit in which a condenser, an expander, an evaporator, the compressor, and an oil separator are connected by pipes, and an oil return circuit configured to return oil from the oil separator to the compressor, in which the compressor includes an oil concentration sensor configured to detect oil concentration inside the compressor, and the oil return circuit includes multiple solenoid valves that are each opened or closed corresponding to the oil concentration detected by the oil concentration sensor.. ... Mitsubishi Electric Corporation

09/20/18 / #20180266638

Light source device, lighting apparatus, and vehicle lamp device

A light source device includes a light source, a wavelength conversion member, and a retroreflective optical member. The light source emits excitation light. ... Mitsubishi Electric Corporation

09/20/18 / #20180266409

Fluid sending apparatus

A fluid sending apparatus includes a signal generator that generates a signal including a signal component that has a one-sided waveform and is composed of a rising component in a positive voltage direction, a falling component in the positive voltage direction, and a vortex ring formation time component t, and a damping component for driving for a predetermined time with a voltage less than or equal to one-half of a voltage in the positive voltage direction, the waveform of each of the signal component and the damping component corresponding to a single wave.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180266353

Engine control device and engine control method

Provided is an engine control device for correcting output characteristics of an oxygen sensor and performing air-fuel ratio feedback control. The engine control device includes various sensors for detecting operating state information of an engine, an oxygen sensor, and air-fuel ratio feedback controller to adjust an amount of fuel injected into the engine, on the basis of the operating state information and an output voltage value of the oxygen sensor, wherein the air-fuel ratio feedback controller calculates, in accordance with the operating state information based on detection results from the various sensors, a coefficient for correcting the output voltage value, implements air-fuel ratio feedback control on the basis of an air-fuel ratio feedback control correction amount calculated using a corrected oxygen sensor output voltage value calculated on the basis of the coefficient, and adjusts the amount of fuel injected into the engine.. ... Mitsubishi Electric Corporation

09/20/18 / #20180265385

Water treatment apparatus and water treatment method

This invention is concerning a water treatment apparatus having: an ozone injection facility configured to inject ozone gas into a treatment tank into which untreated water is introduced to be stored therein; a measuring unit configured to measure a spectral light intensity of the untreated water in a plurality of locations in the treatment tank by using at least a first wavelength; and a controller configured to estimate a residual rate of the spectral light intensity at a first wavelength for treated water, which has been treated with ozone in the treatment tank or for both the treated water and the untreated water, based on measurement results in the plurality of locations, measured by the measuring unit, and controls an ozone injection rate used by the ozone injection facility using the estimated residual rate.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180265329

Elevator control system

There is provided an elevator control system capable of improving operation efficiency of an elevator. The elevator control system includes a processor; and a memory to store a program which performs processes of recognizing a floor based on information from in a car of an elevator during travel of the car, determining a destination floor based on the floor recognized, determining whether or not the destination floor determined during the travel of the car, and registering a call corresponding to the destination floor in the car during the travel of the car in a case where the destination floor is determined to be the stoppable floor. ... Mitsubishi Electric Corporation

09/20/18 / #20180265327

Controlling sway of elevator cable with movement of elevator car

An elevator system includes an elevator car supported by an elevator rope wrapped around a sheave, such that a rotation of the sheave changes a length of the elevator rope between the sheave and the elevator car thereby controlling a movement of the elevator car within an elevator shaft of the elevator system. An elevator cable is connected to the elevator car and the elevator shaft to carry electrical signals to the elevator car. ... Mitsubishi Electric Corporation

09/20/18 / #20180265020

Vehicle control device and vehicle control method

Provided are a vehicle control device and a vehicle control method for keeping necessary functions effective until an occupant gets out of a vehicle. The vehicle control device include a vehicle exit detection part configured to detect a timing at which the occupant gets out of the vehicle, in accordance with a vehicle exit detection signal from a vehicle exit detector set in advance, and a power supply control part configured to control, when the timing at which the occupant gets out of the vehicle is detected by the vehicle exit detection part, a power supply control device so as to carry out any one of: shutting off a power supply to an in-vehicle device installed on the vehicle, thereby bringing the in-vehicle device into a stop state; and supplying a standby voltage to the in-vehicle device, thereby bringing the in-vehicle device into a sleep state.. ... Mitsubishi Electric Corporation

09/20/18 / #20180264950

Vehicle-speed control device

A vehicle speed control unit includes feedback control parts, the number of feedback control parts corresponding to the number of multiple motors, generating feedback command torques for the respective motors, on the basis of respective deviations between speed signals from speed sensors detecting revolution speeds of the multiple motors and feedback target vehicle-speed signal reshaped from the inputted target vehicle-speed signal by target vehicle-speed filters; a feedforward control part calculating a feedforward command torque for the vehicle as a whole, on the basis of the inputted target vehicle-speed signal; and a torque distribution part dividing the feedforward command torque into individual feedforward command torques for distribution to the respective motors, wherein the individual feedforward command torques are respectively added to the feedback command torques and, to control the respective motors.. . ... Mitsubishi Electric Corporation

09/20/18 / #20180264842

Thermal printer and method of controlling thermal printer

It is an object to improve image quality of panoramic printing performed by a thermal printer. The thermal printer includes a joint position calculator and a controller. ... Mitsubishi Electric Corporation

09/06/18 / #20180255297

Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizes

An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254934

Transmitter and receiver

A transmitter for use in a communication system uses a orthogonal modulation method, and the transmitter includes: an orthogonal sequence prescriber 12 that prescribes association between orthogonal signals and information words determined on the basis of sizes of differences between information words of a plurality of mutually different information words and a probability of occurrence of decision errors between orthogonal signals of a plurality of mutually orthogonal signals; and a symbol mapper 11 that, upon input of any of the information words, generates modulation symbols based on the orthogonal signals associated with the input information word according to the associations prescribed by the orthogonal sequence prescriber.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254828

Method for managing a passive optical network, central office of a passive optical network and corresponding computer program

The invention relates to a method for managing a passive optical network, said passive optical network comprising at least one few-mode fiber (610) to centralize connections relative to several optical network units to a central office (500), wherein said central office (500) is provided with:—optical line terminations (521-524) to at least emit multiple bandwidths (λ1, λ2), and—at least one mode converter (540) acting as a power splitter to multiplex said multiple bandwidths to different power modes, said different power modes being then provided to said at least one few-mode fiber (610).. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254682

Stator, method of manufacturing stator, motor, and air conditioning apparatus

The stator includes a stator core having a first tooth and a second tooth adjacent to each other, a coil having a first winding portion wound around the first tooth and a second winding portion wound around the second tooth, a resin chip disposed in in a gap between the first winding portion and the second winding portion, and a molding resin covering the stator core, the coil, and the resin chip.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254676

Permanent-magnet-embedded electric motor, compressor, and refrigeration and air-conditioning apparatus

A permanent-magnet-embedded electric motor includes an annular stator, and an annular rotor iron core disposed on an inner side of the stator and having a plurality of magnet insertion holes aligned in a circumferential direction of the stator. Each of the magnet insertion holes has a pair of recess portions on an outer side surface in the radial direction of the stator, the pair of recess portions are respectively disposed on one end portion and on another end portion of the outer side surface in the circumferential direction of the stator, and a plurality of permanent magnets respectively inserted in the magnet insertion holes. ... Mitsubishi Electric Corporation

09/06/18 / #20180254636

Management device and control method

A photovoltaic power conditioning system (pv-pcs) outputs power generated by a photovoltaic panel. An electric vehicle power conditioning system charges an electric vehicle with power supplied from a commercial power system or the power outputted from the pv-pcs. ... Mitsubishi Electric Corporation

09/06/18 / #20180254613

High frequency discharge ignition device

A problem exists in that, as a loop through which high frequency energy conducts is long, it is difficult to suppress noise generated from the loop and suppress an influence thereof on peripheral equipment. A high frequency discharge ignition device according to this invention is a structure integrally constituted by a second housing into which a high frequency energy supply circuit is built and a first housing into which an output circuit is built, wherein the high frequency energy supply circuit is connected to the output circuit by a connection terminal so as to be connected to a spark plug which is mounted on a grounded object. ... Mitsubishi Electric Corporation

09/06/18 / #20180254359

Solar cell and solar cell manufacturing method

A solar cell includes an n-type semiconductor substrate having a p-n junction and a back-surface side impurity-diffusion layer. The back-surface side impurity-diffusion layer is formed on a light-receiving surface of the semiconductor substrate or surface layer on a back-surface side opposite to the light-receiving surface, and has back-surface side high-concentration impurity-diffusion layers each of which contains an n-type or p-type impurity element at a first concentration and a back-surface side low-concentration impurity-diffusion layer which contains an impurity element of the same conductivity type as a conductivity type of the back-surface side high-concentration impurity-diffusion layers at a second concentration lower than the first concentration. ... Mitsubishi Electric Corporation

09/06/18 / #20180254354

Silicon carbide semiconductor device

A mesa type p-n junction diode silicon carbide semiconductor device that includes a first silicon carbide semiconductor substrate, a first drift layer formed on the silicon carbide semiconductor substrate, a second anode layer formed on the drift layer, a mesa structure having a flat mesa bottom portion formed in an outer periphery thereof and having a mesa side wall obliquely formed with respect to a top face of the anode layer in a cross-section ranging from the anode layer to the drift layer, a second lightly doped region formed from an edge of the anode layer to the mesa bottom portion, and a second highly doped region formed on the side of the mesa side wall in the lightly doped region in contact with the edge of the anode layer and in a portion connected to the mesa bottom portion at a lower part of the mesa side wall.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254231

Semiconductor device, manufacturing apparatus for semiconductor device and manufacturing method for semiconductor device, and semiconductor module

A semiconductor device includes: a semiconductor element; a frame which has a first surface, holds the semiconductor element on the first surface, and is electrically connected with the semiconductor element; and a seal which has electrical insulation properties and seals the semiconductor element and the frame, wherein a through-hole is formed in the seal, the through-hole has a hole axis which extends in a direction intersecting with the first surface, and an inner peripheral end surface of the seal exposed inside the through-hole is inclined with respect to the hole axis.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180254228

Semiconductor power module and power conversion apparatus

A semiconductor power module includes: an insulating substrate including a concave portion provided on a top surface of the insulating substrate; a substrate electrode embedded in the concave portion; a semiconductor device bonded onto the substrate electrode; and an insulating resin covering a top end part of the substrate electrode.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180253969

Reverse travelling preventing device and reverse travelling preventing system

In order to report, immediately and over a broad range, that a reversely travelling moving object is approaching, a reverse travelling preventing device according to the present invention includes: a reverse travelling detection unit which detects reverse travelling information about travelling of the own vehicle; an inter-vehicle communication signal transmission unit which transmits reverse travelling information to another moving object on the basis of output from the reverse travel ling detection unit; an inter-vehicle communication signal reception unit which receives transmitted reverse travelling information; an inter-vehicle communication signal transfer unit which transfers the reverse travelling information to another moving object; and a control signal output unit which, on the basis of the transmitted or received reverse travelling information, displays the reverse travelling information and controls operation of the moving object.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180253823

Image processing device, image processing method and computer readable medium

The present invention is provided with a boundary calculation unit (110) to calculate a boundary position (180) being a basis for dividing a common area into a side of the first imaging device (210) and a side of the second imaging device (220), a selection unit (130) to select a bird's-eye view image wherein distortion in an image of a three-dimensional object is less as a selected image (330), out of the first bird's-eye view image (311) and the second bird's-eye view image (321) based on the boundary position (180) and a position of the three-dimensional object, and an image generation unit (140) to generate an area image (340) based on an image other than the common area in the first bird's-eye view image (311), an image other than the common area in the second bird's-eye view image (321), and an image of the common area included in the selected image (330).. . ... Mitsubishi Electric Corporation

09/06/18 / #20180253076

System and method for controlling redundant actuators with different dynamics

A system includes a first actuator and a second actuator arranged such that joint motions of the first actuator and the second actuator position a controlled parameter. A trajectory generator determines a first trajectory of the first actuator minimizing the motion of the first actuator that positions the second actuator such that each point of the reference trajectory is within a range of the second actuator. ... Mitsubishi Electric Corporation

09/06/18 / #20180252818

Positioning satellite selection device, positioning information transmitting device, and positioning system

A positioning satellite selection device that obtains a selection combination of positioning satellites used for positioning of a positioning target, and includes: a positioning data acquisition unit that acquires positioning data or navigation information, a range observation value, and an error correction value of this range observation value of a positioning satellite; a satellite position calculator that calculates a satellite position of the positioning satellite from the navigation information; a quality evaluation unit that evaluates quality of the positioning data; a shortest time designation unit that sets a shortest selection time during which the positioning satellite is selected to a larger value as poorer the quality; a plan creator that obtains the selection combination by selecting a positioning satellite conditioned on selecting for longer than the shortest selection time; and a plan storage that stores a plan of the selection combination of positioning satellites.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180252606

Semiconductor differential pressure sensor

A semiconductor differential pressure sensor includes a pressure detection element, which is arranged such that its main surface is fixed on a top of a first protrusion with an adhesive while a second protrusion is fitted into its opening. Thus, the pressure detection element is held with high holding power at an exact position. ... Mitsubishi Electric Corporation

09/06/18 / #20180252511

Angle detection device and electric power steering apparatus

Included are: a sensor magnet which rotates integrally with a rotating shaft centering on the rotating shaft, and generates a magnetic field for angle detection which is for detecting the angle of rotation; a first sensor and a second sensor each of which is arranged opposite to the sensor magnet at a position separated in angle by 90 degrees on the circumference centered on the rotating shaft, and outputs a signal corresponding to the magnetic field for angle detection; and an angle calculator that calculates a rotation angle by using the signals from the first sensor and the second sensor.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180252449

Refrigeration cycle apparatus

A refrigeration cycle apparatus is provided with a refrigerant circuit, a refrigerant tank circuit, and a degassing pipe. The refrigerant circuit is configured by connecting a compressor, a flow path switching apparatus, a first heat exchanger, a decompressing apparatus, and a second heat exchanger. ... Mitsubishi Electric Corporation

09/06/18 / #20180252425

Coordinated operation of multiple space-conditioning systems

A controller controls a first air-conditioning system and a second air-conditioning system having separate refrigerant circuits, but arranged for conditioning a common space. The controller includes a multi-variable regulator to determine control signals for controlling operations of first components of the first and the second refrigerant circuits to reduce jointly and concurrently an environmental error between setpoint and measured values of environment in the common space. ... Mitsubishi Electric Corporation

09/06/18 / #20180252417

Water heater control system and storage-type electric water heater

A water heater control system includes: a photovoltaic power generator interconnected with a commercial power supply, an electrical load circuit including a storage-type electric water heater using power from the commercial power supply and generated power of the photovoltaic power generator to perform a water heating operation of heating low temperature water to high temperature water and storing the high temperature water, and a hems controller limiting a water heating operation of the storage-type electric water heater by stopping or suppressing the water heating operation of the storage-type electric water heater when a power fee data for purchased power supplied to the electrical load circuit from the commercial power supply exceeds a standard monetary amount.. . ... Mitsubishi Electric Corporation

09/06/18 / #20180252266

Motor and method for producing the same

A motor includes a frame including a first bearing holder, a stator, a first bearing held in the first bearing holder, a rotor rotatably supported by the first bearing, and a preload member generating a preload in a direction of an axis line of the rotor. The frame further includes a first frame part. ... Mitsubishi Electric Corporation

09/06/18 / #20180251341

Guide rail fixing device

A guide rail fixing device that can increase frictional force against a guide rail without increasing the number of brackets installed on an inner wall of a hoistway. The guide rail fixing device includes: a rail bracket in contact with a bottom face of a base of a guide rail placed in the lowest portion out of multiple guide rails arranged in line in an elevator hoistway; a rail clip to clamp the base of the guide rail in cooperation with the rail bracket; and a friction plate which is in contact both with the bottom face of the base of the guide rail placed in the lowest portion and in contact with an upper end of the rail bracket, to clamp, in cooperation with a rail clip, the base of the guide rail placed in the lowest portion.. ... Mitsubishi Electric Corporation

09/06/18 / #20180251337

Elevator device and elevator recovery method

An elevator device includes an operation control unit (18), a storage unit (22), a transmission unit (23), a determination unit (25), and a recovery unit (26). When an inspection operation is interrupted by the operation control unit (18), the transmission unit (23) transmits inspection data stored in the storage unit (22) to a plurality of specific devices (20). ... Mitsubishi Electric Corporation

09/06/18 / #20180251335

System and method for group elevator scheduling based on submodular optimization

Systems and methods for controlling a movement of cars of an elevator system. A processor determines for each car an individual waiting time of each hall call. ... Mitsubishi Electric Corporation

08/23/18 / #20180242407

Induction heating cooking apparatus

An induction heating cooking apparatus capable of performing wireless communication with an external apparatus includes a heating unit that inductively heats an object to be heated and a driving circuit that outputs electric power to the heating unit. Electric power output from the driving circuit during a period of time in which the wireless communication with the external apparatus is performed is less than electric power output from the driving circuit during a period of time in which the wireless communication with the external apparatus is not performed.. ... Mitsubishi Electric Corporation

08/23/18 / #20180242361

Systems and methods for separating collided packets in shared wireless channels

Systems and methods for a receiver decoding a set of packets asynchronously transmitted using a nominal carrier frequency over a common communication medium. A set of antennas to receive the packets asynchronously transmitted over the common communication medium. ... Mitsubishi Electric Corporation

08/23/18 / #20180242311

Communication system

User equipment includes an antenna, a controller, a transmitter, and a receiver. The transmitter sends a first radio frequency signal for communication with a primary cell to the antenna according to a first timing advance set by the controller, and sends a second radio frequency signal for communication with a secondary cell to the antenna according to a second timing advance set by the controller. ... Mitsubishi Electric Corporation

08/23/18 / #20180242281

Communication system and communication terminal device

A cell2 configured by only a dl cc2 being a resource for downlink is configured. The cell2 does not include a resource for uplink, that is, a ul cc to be associated with the dl cc2 by a dl/ul link. ... Mitsubishi Electric Corporation

08/23/18 / #20180242261

Communication system

In a communication system of the present invention, a henb measures interference in step st41 in an energy saving mode. When judging to have detected the interference by a ue during communication with an enb in step st42, the henb cancels the energy saving mode and moves to a normal mode in step st43 and starts issuing a pilot signal in step st44. ... Mitsubishi Electric Corporation

08/23/18 / #20180241967

Remote work assistance device, instruction terminal and onsite terminal

An instruction terminal includes a position direction estimating unit to estimate a position and direction of a worker from an image captured by an imaging unit, an onsite situation image generator to generate an image indicating an onsite situation including the position of the worker from the estimation result, a display to display a screen including the generated image; a work instruction accepting unit to accept information indicating a next work position input by a work instructor on the screen; and a direction calculator to calculate a direction to the next work position from the estimation result and the acceptance result. An onsite terminal includes a guide image generator to generate an image indicating the direction to the next work position from the calculation result, and a display to display a screen including the generated image.. ... Mitsubishi Electric Corporation

08/23/18 / #20180241544

Message authenticator generating apparatus, message authenticator generating method, and computer readable recording medium

A message authenticator generating apparatus (10), for each integer i, taking as input a key k and a value m′[i] which is generated from a message m, calculates a value c[i] by a block cipher e. The message authenticator generating apparatus (10), taking as input the value c[i] for each integer i, calculates a value w[1], a value w[2], and a value w[3] each maintaining the randomness of the value c[i]. ... Mitsubishi Electric Corporation

08/23/18 / #20180241492

Transmission device, communication device and signal transmission system

A transmission device of a signal transmission system multiplexing and transmitting a plurality of 8b10b-coded information sequences, which includes: conversion units the number of which is identical to the number of the information sequences, to perform 8b10b-decoding of each of the information sequences, receive one of the information sequences after the decoding, scramble the received information sequence, and add a synchronous pattern indicating a head of a frame to the scrambled information sequence; and a multiplexing unit to multiplex the information sequence outputted from each of the conversion units.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180241420

In-vehicle wireless communication device

A shield box unit installed inside a vehicle and storing a mobile wireless terminal blocks external radio waves.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180241414

Method and device for determining features of error correcting code system

A method for determining features of an error correcting code system, comprising independent error correcting codes and a polarization module, allowing transmitting a binary input vector on block fading sub-channels, the independent error correcting codes generating components of the binary input vector and a channel polarization being applied to the binary input vector by the polarization module. The method comprises: obtaining characteristics of the block fading sub-channels; and, determining features of said error correcting code system, comprising, for each error correcting code, a rate of said error correcting code, adapted to the obtained characteristics and minimizing a function of a probability that an instantaneous equivalent channel capacity of the block fading sub-channels is below a transmission rate transmitted on the block fading sub-channels.. ... Mitsubishi Electric Corporation

08/23/18 / #20180241411

A/d conversion device

A first mode in which to output analog electricity quantities of objects one by one independently to an a/d converter, a second mode in which to output none of the analog electricity quantities of the objects, a third mode in which to output none of the analog electricity quantities of the objects and cause the output to the a/d converter to be resistor, and a fourth mode in which to output to the a/d converter a plurality of the analog electricity quantities of the objects at the same time, are caused to be generated, thus acquiring the a/d conversion values of the objects individually when in the first mode, and detecting an anomaly of the a/d converter itself or a device connected to the a/d converter when in the second mode to the fourth mode.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180241389

Power converter

A power semiconductor module having switching elements includes: a collector main terminal and a collector auxiliary terminal connected to a collector potential of the switching element; a gate auxiliary terminal connected to a gate potential of the switching element; and an emitter main terminal and an emitter auxiliary terminal connected to an emitter potential of the switching element. A power converter includes a voltage dividing circuit board that generates a divided voltage obtained by dividing a voltage between the collector auxiliary terminal and the emitter auxiliary terminal and transmits to a gate driving circuit. ... Mitsubishi Electric Corporation

08/23/18 / #20180241336

Power converting apparatus and heat pump device

A power converting apparatus includes: an inverter converting a direct-current voltage supplied from a power supply unit into an alternating-current voltage and outputting the alternating-current voltage to a motor; and an inverter control unit outputting synchronous pwm (pulse width modulation) signals for driving switching elements of the inverter. A frequency of the synchronous pwm signals is periodically varied when periodic pulsation occurs in a load connected to the motor.. ... Mitsubishi Electric Corporation

08/23/18 / #20180241290

Rotary electrical machine for vehicle

A rotary electrical machine for a vehicle according to the present invention is provided with a stator, a rotor which is provided facing the stator and which rotates coaxially with the stator, a power module which is connected to the stator, a capacitor which eliminates or reduces switching noise in the power module and has a pressure release valve, a circuit board on which the capacitor is mounted, and a heat sink which encompasses the capacitor, wherein a semi-closed cell foam seal material is provided in contact with the pressure release valve, and the capacitor is fixed to a terminal fixing section of the circuit board, and is also fixed to an inner side of the heat sink by an anti-vibration bond in a portion different from the terminal fixing section.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180241288

Rotating electrical machine cooling structure, and control method thereof

A rotating electrical machine cooling structure such that a cooling medium is supplied by a pump to a stator and rotor of a rotating electrical machine, thereby cooling the stator and rotor, includes a first passage that supplies the cooling medium from the pump to the stator, a second passage that supplies the cooling medium from the pump to the rotor, and a valve that regulates a flow of the cooling medium of the first passage and a flow of the cooling medium of the second passage, wherein a cooling state of the stator and a cooling state of the rotor are controlled by the valve.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180241264

Rotor for rotary electric machine, rotary electric machine provided with same, and method for manufacturing rotor for rotary electric machine

A rotor core in which magnets are embedded is formed by stacking a plurality of steel sheets. Each steel sheet which has a disk shape has: six magnet insertion holes formed so as to allow permanent magnets to be inserted therein as a whole; circumferential-direction bridge portions connecting, in the circumferential direction, radially-outer-side steel sheets each formed at the peripheral part of the steel sheet, between the magnet insertion holes; and radial-direction bridge portions formed between the magnet insertion holes. ... Mitsubishi Electric Corporation

08/23/18 / #20180241197

Power conversion device

A power conversion device includes a power conversion unit to convert an input power into an output power, a regular controller to perform control of the power conversion unit, and a protective controller to perform protective operation of the power conversion unit. The regular controller, on the basis of current command value in accordance with a target value of an output of the power conversion unit and an output current of the power conversion unit, for example, outputs a control signal to control on-off switching of switching elements included in the power conversion unit. ... Mitsubishi Electric Corporation

08/23/18 / #20180240589

Ignition coil for internal combustion engine

An ignition coil for an internal combustion engine includes: a center core arranged on an inner sides of a primary coil and a secondary coil; a side core arranged on an outer sides of the primary and secondary coils, and combined with the center core to form a closed magnetic circuit; one or a plurality of gaps provided between the center core and the side core, or in the side core; and a magnet arranged in each of the one or a plurality of gaps, in which a sum of cross-sectional areas of the one or a plurality of gaps is set to be 200 to 500 times of an average value of thicknesses of the one or a plurality of gaps, and a reverse bias equal to or more than a saturation magnetic flux density of the center core is applied by the magnet.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180240532

Memory diagnosis apparatus and memory diagnosis program

A memory diagnosis apparatus to diagnose whether a fault occurs in a memory includes a diagnosis execution unit to divide the memory into a plurality of areas, select two or more base areas that are diagnostic targets from among the areas to carry out a memory diagnosis including a reading test and a writing test, and perform only the writing test in carrying out the memory diagnosis on a same base area for second or more times. The diagnosis execution unit is implemented by an arithmetic device that is a processing circuit that executes a memory diagnosis program stored in a storage device.. ... Mitsubishi Electric Corporation

08/23/18 / #20180240497

Media playback apparatus and shutter mechanism

A cam projection sliding in a cam slot of an arm causes the arm to proceed to an arm when a shutter is in the closed position or the open position and to recede from the arm when the shutter is sliding between the open position and the closed position. A spring is thereby considerably displaced, providing a satisfactory operation of the shutter.. ... Mitsubishi Electric Corporation

08/23/18 / #20180240455

Voice recognition apparatus and voice recognition method

An object is to provide a technique that allows voice recognition of voice including a plurality of languages while suppressing a data size of a voice recognition dictionary. A voice recognition dictionary includes a plurality of place name dictionaries and a plurality of house number dictionaries in which phonemes in a different language are mapped to phonemes in a corresponding language. ... Mitsubishi Electric Corporation

08/23/18 / #20180240398

Light-emitting diode display device

A light-emitting diode display device includes: a display that includes a light-emitting diode; a drive unit that drives the light-emitting diode; a lighting time storage unit; a first temperature detection unit; a first temperature storage unit; an aging display that includes a measurement light-emitting diode; a drive unit that drives the measurement light-emitting diode; a drive data generation unit; a second temperature detection unit; a second temperature storage unit; a brightness measurement unit that measures brightness of the measurement light-emitting diode; a brightness reduction rate storage unit; a compensation factor calculation unit that finds a compensation factor from the cumulative lighting time and the brightness reduction rate, and corrects the compensation factor on the basis of a difference between the first temperature and the second temperature; and a brightness compensation circuit that compensates the brightness of the light-emitting diode on the basis of the compensation factor.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180240388

Method of adjusting white balance, white balance adjustment apparatus, and display device

A shift amount between a measurement value of a color value of white color and a calculation value of the color value of white color is calculated. Generated is a math formula in which the shift amount is reflected. ... Mitsubishi Electric Corporation

08/23/18 / #20180239312

System and method for distributed machining simulation

A distributed machining simulation partitions a model of the workpiece to produce a set of sub-workpieces and modifies the machining instructions for each sub-workpiece to produce a set of groups of modified machining instructions different from the machining instructions. Each group of the modified machining instructions is associated with a sub-workpiece and includes effective machining instructions that move the machining tool through the sub-workpiece and at least one fake machining instruction that moves the machining tool through the model of the workpiece outside of the sub-workpiece. ... Mitsubishi Electric Corporation

08/23/18 / #20180239081

Surface light source device and display device

A surface light source device includes a light source substrate in which a plurality of light sources capable of being driven independently of one another are disposed, a light guide plate provided on the light source substrate to emit, from a specific emission surface, light entered from the plurality of light sources, and a partition frame having a partition wall for dividing the light guide plate into a plurality of cells. The partition wall of the partition frame partially has cutout portions. ... Mitsubishi Electric Corporation

08/23/18 / #20180239015

Estimation device, estimation method, tracking device including estimation device, and tracking method including estimation method

To estimate the condition of an object precisely, even while the object performs a turning motion, an estimation device for calculating a predicted position of an object existing on the periphery of a host vehicle includes: position calculating circuit for detecting a position of the object; doppler velocity calculating circuit for calculating a doppler velocity of the object; host vehicle velocity obtaining circuit for obtaining a host vehicle velocity; host vehicle turning radius obtaining circuit for obtaining a turning radius of the host vehicle; and predicted position calculating circuit for calculating the predicted position of the object on the basis of the position of the object, the doppler velocity, the host vehicle velocity, and the turning radius of the host vehicle.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180238637

Heat exchanger and refrigeration cycle apparatus including the same

A heat exchanger includes a first heat exchanging portion including first and second flat tubes stacked in parallel with each other and spaced from each other to allow fluid to pass between the first and second flat tubes, and a second heat exchanging portion including third and fourth flat tubes stacked in parallel with each other, spaced from each other to allow fluid to pass between the third and fourth flat tubes, and oriented crosswise to a direction in which the first and second flat tubes are oriented. The second heat exchanging portion is arranged downstream of the first heat exchanging portion with respect to flow of the fluid.. ... Mitsubishi Electric Corporation

08/23/18 / #20180238581

Indoor unit for air-conditioning apparatus

An indoor unit includes, in an airflow path, an axial fan, an indoor heat exchanger having a w-shape in side view, and a forward drain pan and a rearward drain each disposed below the corresponding valley portion of the indoor heat exchanger. The airflow path is divided into a first airflow path, a second airflow path, and a third airflow path. ... Mitsubishi Electric Corporation

08/23/18 / #20180238454

Fluid control valve

A fluid control valve includes a seal member. The seal member includes a cylindrical portion and a flange portion. ... Mitsubishi Electric Corporation

08/23/18 / #20180238351

Blower and air-conditioning apparatus including the same

A blower includes a volute shaped casing having an air inlet, and an impeller including a disk-shaped backing plate, a ring-shaped rim, and a plurality of blades supported between the backing plate and the rim. The impeller is housed in the casing. ... Mitsubishi Electric Corporation

08/23/18 / #20180238344

Axial flow fan and air-conditioning apparatus including the same

An axial flow fan according to the present invention includes a plurality of blades, each of the blades including: a leading edge formed in front in a direction of rotation of the axial flow fan; an inner circumferential edge formed at an inner circumference of the blades; and an outer circumferential edge formed at an outer circumference of the blades, the outer circumferential edge configured to be at downstream of a fluid, forced to move by the axial flow fan, than the inner circumferential edge, the blade being reflexed toward upstream of the fluid at a portion adjacent to the outer circumferential edge, and having a local angle-decrease section having a blade inlet angle α at the leading edge decreasing from neighborhood, the local angle-decrease section being formed at a side of the leading edge and being located closer to the outer circumferential edge than to the inner circumferential edge.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180238343

Propeller fan, propeller fan device, and air conditioner outdoor unit

Provided is a propeller fan including a boss, and a blade fixed at an outer peripheral surface of the boss, wherein the blade has a second protrusion that protrudes toward a positive pressure surface side, at a trailing edge with respect to a rotation direction, the second protrusion is provided in a range on a radially outer side of a center of a radial distance from an inner peripheral end to an outer peripheral end of the blade, and has a protrusion tip end with a maximum protrusion height, a first base at a starting part of protrusion on a radially inner side of the protrusion tip end, and a second base at a starting part of protrusion on a radially outer side of the protrusion tip end, and the protrusion tip end is positioned nearer to the second base than to the first base in the radial direction.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180237058

Electric power steering device and control method of electric power steering device

In an electric power steering device including a controller, which is configured to carry out feedback control for a motor including independent two coil winding groups and being configured to rotate a steering mechanism of a vehicle, when one of the two groups recovers from a failure that has occurred in the one group while control is continued solely by another group due to the failure, the controller resumes cooperative control by the two groups, and when starting the cooperative control, sets target current values of the one group and the another group to values different from a final target current value based on an actual current value or a target current value of the another group at a time of the recovery, to thereby output respective control amounts for the cooperative control.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180236999

Drive system and drive control method

In a drive system including a battery, a power generation device (pgd) including a generator mounted to an engine shaft, and a drive device (dd) including a motor for driving a driven component, a drive controller performs a drive control for pgd and dd and a switching control for a switching device. During a parallel connection, respective high-voltage side terminals (hvts) of pgd and the battery are connected to a hvt of dd, and respective low-voltage side terminals (lvts) of pgd and the battery are connected to lvt of dd. ... Mitsubishi Electric Corporation

08/23/18 / #20180236899

Station building auxiliary power unit

A station building auxiliary power unit includes a start-of-operation determination unit that determines, based on a first signal that represents information on a power flow direction indicating a direction of flow of electrical power between an ac distribution line electrically connecting to an electric vehicle and a substation for supplying ac power to the ac distribution line, whether first ac power on an ac distribution line side is to be transformed into second ac power usable by a load, and if it is determined that transformation is to be performed, generates and outputs a second signal, a voltage instruction value calculator that calculates and outputs a voltage instruction value corresponding to the second signal, and a pwm signal generator that generates a control signal for a power converter circuit operated upon transformation of the first ac power into the second ac power, and outputs the control signal.. . ... Mitsubishi Electric Corporation

08/23/18 / #20180235479

Kinesitherapy apparatus and anaerobic threshold identifying method

A kinesitherapy apparatus includes a measuring instrument, a pedaled rotational mechanism, a rotating electrical machine configured to apply an assist load, which is a regenerative load or a power running load, to the pedaled rotational mechanism, and a motion control device. The motion control device performs power running operation of the rotating electrical machine so that a minus assist load is generated in a warm-up period. ... Mitsubishi Electric Corporation

08/23/18 / #20180235414

Hand dryer

A hand dryer includes a nozzle for blowing out an airflow toward a drying space, which is open at the front and the left and right sides so that hands can be freely inserted and withdrawn, and a water receiving part that receives water droplets blown away from hands inserted in the drying space by the airflow blown out vertically downward from the nozzle. While the airflow is being blown out vertically downward from the nozzle, the water receiving part and the nozzle do not directly face each other.. ... Mitsubishi Electric Corporation

08/16/18 / #20180234208

Method and device for iterative demodulation, equalization and channel decoding

The present invention concerns a method and device for demodulating received symbols using a turbo-demodulation scheme comprising an iterative channel equalization and wherein an iterative channel decoder is used in the turbo-demodulation scheme, characterized in that the iterative channel decoder performs a first iterative process named iterative decoding process, the turbo-demodulation performing a second iterative process named iterative demodulation and decoding process, at each iteration of the second iterative process, the iterative channel decoder executing plural iterations in order to decode bits from which symbols are derived from. The iterative channel decoder: memorizes at the end of the iterations of the first iterative process, the variables used internally by the iterative channel decoder, reads the memorized variables at the following iteration of the second iterative process.. ... Mitsubishi Electric Corporation

08/16/18 / #20180234030

Inverter device

An inverter device includes a converter circuit unit, an inverter circuit unit, and a current detector. The inverter device includes a calculator that calculates a frequency command value based on output current detected by the current detector, and a pulse signal output unit that outputs a pulse signal based on the frequency command value calculated by the calculator. ... Mitsubishi Electric Corporation

08/16/18 / #20180234010

Multilevel power conversion device

A power converter has: switching elements connected in parallel to each of primary-side filter capacitors, freewheel diodes connected in parallel to the switching elements, and snubber resistances connected in parallel to the switching elements. The controller causes stoppage of the power converter by turning off each of the switching elements. ... Mitsubishi Electric Corporation

08/16/18 / #20180233994

Rotor of rotating electric machine and rotating electric machine

In order to prevent charging of a shaft of a rotor, the rotor of the rotating electric machine includes a slip ring device composed of: a pair of slip rings; a pair of connection conductors electrically connecting the respective slip rings and a rotor coil; and an insulation molded body holding the slip rings and the connection conductors. In the insulation molded body of the slip ring device, the pair of slip rings and the pair of connection conductors are embedded and held such that the brush sliding surfaces of the slip rings and the lead-out-wire-connection end portions of the connection conductors are exposed in the outer circumferential direction, and at least one of the negative-side slip ring and the negative-side connection conductor embedded and held in the insulation molded body has a protrusion extending toward the shaft and electrically connected to the shaft.. ... Mitsubishi Electric Corporation

08/16/18 / #20180233992

Control unit and electric power steering device employing control unit

A frame has upper and lower surfaces that extend in a perpendicular direction to a motor output shaft, donut-shaped conductive plates are mounted respectively on the upper and lower surfaces, and the conductive plates both include connection-forming terminal portions provided on inner and outer peripheral sides thereof. An inverter circuit is constituted by a power module formed from a plurality of switching elements, a power supply terminal is provided on one side of a package forming the power module, while an output terminal connected to a winding terminal for supplying power to a motor and a control terminal connected to a control signal are provided on an opposing side. ... Mitsubishi Electric Corporation

08/16/18 / #20180233975

Rotary electric machine

The rotor of the rotary electric machine according to the present invention includes: a cylindrical rotor core; magnets that are respectively housed in a plurality of magnet housing apertures that are formed circumferentially so as to pass axially through an outer circumferential side of the rotor core; and a rotor boss that includes: a cylindrical rotor ring that holds the rotor core; an annular mounting portion that is linked to the crankshaft so as to be disposed coaxially at a first axial end inside the rotor ring; and a linking plate that links the rotor ring and the mounting portion, and the linking plate is formed so as to have a curved shape that is convex toward a second axial end of the rotor boss, and has a thickness that reduces continuously from a radially inner side toward a radially outer side.. . ... Mitsubishi Electric Corporation

08/16/18 / #20180233973

Rotary electric machine

A rotary electric machine, in which α>β is established when the teeth portion has a width α in a circumferential direction thereof, a rotation center of the rotor and one of corners, which is on a rotor surface side, on both ends of each of the permanent magnets are connected by a straight line, a center between an n-pole and an s-pole of the permanent magnets is on a q-axis, and an angle formed by two straight lines on the q-axis side is β, a first bridge part is provided between a flux barrier provided at the rotor core and the rotor surface, and γ>δ is established when the first bridge part has a minimum width γ, and the flux barrier has a minimum width δ on the q-axis.. . ... Mitsubishi Electric Corporation

08/16/18 / #20180233922

Energy production and frequency regulation co-optimization for power generation systems

A method to co-optimize the energy production and frequency regulation of power generation systems. A three-level co-optimization model is used to determine the day-ahead unit commitment schedule considering the impacts of real-time generation dispatch and frequency regulation. ... Mitsubishi Electric Corporation

08/16/18 / #20180233918

Electric-power converting device, solar power conditioner system, electricity storage system, uninterruptible power source system, wind power generation system, and motor drive system

An electric-power converting device having an inverter circuit of a 4-parallel configuration is realized by a combination of four first to third power semiconductor module devices. In each of module device groups, a single unit of the first power semiconductor module device and a single unit of the second power semiconductor module device are mixedly disposed so as to be alternately disposed. ... Mitsubishi Electric Corporation

08/16/18 / #20180233903

Load-driving integrated circuit device

To provide a semiconductor device for driving an electric load to be divided into a plurality of opening/closing devices so that when an abnormality exists in any one of the division devices, that division device can be removed and replaced by an auxiliary device. Each of a plurality of opening/closing circuit units has an upper-side opening/closing device and a lower-side opening/closing device; while load driving is stopped, there is monitored the potential of the connection point between the upper and lower opening/closing devices at a time when any one of the opening/closing devices is closed or both of them are opened, and it is determined whether there exists short-circuit abnormality or disconnection abnormality in each of the opening/closing devices. ... Mitsubishi Electric Corporation

08/16/18 / #20180233885

Direct-current distribution panel and migration device

A dc distribution panel unit and a migration device are stored in a dc distribution panel. The migration device and the dc distribution panel unit are configured to be compatible with each other in terms of a structure and a position of connection to a power supply of the dc distribution panel, a structure and a position of connection to loads, and a fixation position of fixation to the panel. ... Mitsubishi Electric Corporation

08/16/18 / #20180233594

Thin film transistor substrate

A thin film transistor substrate includes: a plurality of pixels arranged in a matrix, each of the pixels including: a thin film transistor including: a gate electrode made of a metal and disposed on the substrate; a gate insulating film covering at least the gate electrode; a semiconductor layer including an oxide semiconductor provided at a position facing the gate electrode with the gate insulating film interposed therebetween; a source electrode and a drain electrode in contact with the semiconductor layer; and an interlayer insulating film provided on at least the semiconductor layer, the source electrode, and the drain electrode; and a pixel electrode electrically connected to the drain electrode. The gate electrode has hydrogen occlusion capability of 2.5×1020 to 2×1022 atoms/cm3, and the semiconductor layer has a hydrogen concentration of 1×1016 atoms/cm3 or less.. ... Mitsubishi Electric Corporation

08/16/18 / #20180233434

Semiconductor device

A first diode having a front surface anode region is mounted on a p pattern, and a second diode having a front surface cathode region is mounted on an n pattern. At this time, the first diode and the second diode are formed such that a cathode region of a front surface anode region in a first vertical relationship and an anode region of a front surface cathode region in a second vertical relationship are always located as upper portions. ... Mitsubishi Electric Corporation

08/16/18 / #20180232601

Deep active learning method for civil infrastructure defect detection

An image processing system includes a memory to store a classifier and a set of labeled images for training the classifier, wherein each labeled image is labeled as either a positive image that includes an object of a specific type or a negative image that does not include the object of the specific type, wherein the set of labeled images has a first ratio of the positive images to the negative images. The system includes an input interface to receive a set of input images, a processor to determine a second ratio of the positive images, to classify the input images into positive and negative images to produce a set of classified images, and to select a subset of the classified images having the second ratio of the positive images to the negative images, and an output interface to render the subset of the input images for labeling.. ... Mitsubishi Electric Corporation

08/16/18 / #20180231941

Correction parameter calculation device, system, correction parameter calculation method, and computer program

Even if the propagation time interval of a sync signal is not constant, an accurate correction parameter is calculated, so that a corrected time point synchronized with a main clock device is obtained. A main transmission time point storage part stores respective main transmission time points at which a main device has transmitted a plurality of main sync signals and which are measured using a main clock device. ... Mitsubishi Electric Corporation

08/16/18 / #20180231287

Air-conditioning apparatus

Provided is an air-conditioning apparatus including a switching valve and a bypass circuit. The switching valve is provided between an expansion valve and an outdoor heat exchanger. ... Mitsubishi Electric Corporation

08/16/18 / #20180231286

Refrigeration cycle apparatus

In a refrigeration cycle apparatus, a controller is configured to, when a defrost mode is started, control a first pressure reducing device is controlled to adjust a flow rate of refrigerant to bring a degree of superheat of the refrigerant at a suction side of a compressor close to a target value, control a flow path switching device to form a first flow path through which the refrigerant released from the compressor flows to a first heat exchanger; perform a refrigerant release operation of opening one of a second pressure reducing device and a valve and closing the other of the second pressure reducing device and the valve, and perform a refrigerant collection operation of opening the second pressure reducing device and the valve, with the flow path switching device retained to form the first flow path, after the refrigerant release operation.. . ... Mitsubishi Electric Corporation

08/16/18 / #20180230960

Internal-combustion-engine combustion state detecting apparatus

An internal-combustion-engine combustion state detecting apparatus is configured in such a way as to include a circulation unit that short-circuits a primary winding so as to form a circulation path including the primary winding, while a spark discharge is produced in an ignition plug, and a circulation current control unit that controls a circulation current flowing in the circulation path and in such a way that based on an ion current detected by an ion current detection apparatus, the combustion state of an inflammable fuel-air mixture is detected.. . ... Mitsubishi Electric Corporation

08/16/18 / #20180230957

Engine starting apparatus

The rotation speed and the crank position of an engine in an engine stopping process are detected; then, in the case where when the detected crank position is at an intermediate point between the top death center of any one of the cylinders and the top death center of the cylinder following said one of the cylinders, it is determined that the engine rotation speed is within a predetermined range, drive of the starter is prohibited for a predetermined time period.. . ... Mitsubishi Electric Corporation

08/16/18 / #20180229320

Wire electrical discharge machining apparatus and method of manufacturing semiconductor wafer

A controller controls cutting of simultaneously cutting wafers by performing electrical discharge machining while moving a workpiece relative to cutting wire sections in a direction at right angles to the cutting wire sections in a plane perpendicular to the axial direction of main guide rollers and leaving a connection at which a part of each wafer that has been incompletely cut is still connected to the workpiece, and shape correction of causing the cutting wire sections to perform scanning while performing electrical discharge machining along a path of the cutting wire sections in a cutting direction at the time of the cutting to simultaneously correct the shape of a plurality of cut surfaces that are cut at the time of the cutting.. . ... Mitsubishi Electric Corporation

08/09/18 / #20180227846

Distributed sleep management for battery powered multi-hop heterogeneous wireless network

. . . . A network of nodes includes data nodes and at least one sink node to exchange packets between the sink node and the data nodes in a multi-hop manner. The data nodes include a battery powered node (bpn) having a transceiver, a memory, and a battery to provide energy to components of the bpn. ... Mitsubishi Electric Corporation

08/09/18 / #20180227076

Irregular polar code encoding

A transmitter for transmitting an encoded codeword over a communication channel includes a source to accept source data, an irregular polar encoder operated by a processor to encode the source data with at least one polar code to produce the encoded codeword, a modulator to modulate the encoded codeword, and a front end to transmit the modulated and encoded codeword over the communication channel. The polar code is specified by a set of regular parameters including one or combination of parameters defining a number of data bits in the codeword, a parameter defining a data index set specifying locations of frozen bits in the encoded codeword, and a parameter defining a number of parity bits in the encoded codeword. ... Mitsubishi Electric Corporation

08/09/18 / #20180226999

Soft-output decoding of codewords encoded with polar code

A receiver includes a polar decoder for decoding an encoded codeword transmitted over a communication channel the receiver includes a front end to receive over a communication channel a codeword including a sequence of bits modified with noise of the communication channel and a soft decoder operated by a processor to produce a soft output of the decoding. The codeword is encoded by at least one polar encoder with a polar code. ... Mitsubishi Electric Corporation

08/09/18 / #20180226961

Comparator, ad converter, semiconductor integrated circuit, and rotation detector

Provided is a comparator configured to compare input voltages, which are input to a first dynamic comparator and a second dynamic comparator, with a reference voltage, select either an output signal of the first dynamic comparator or an output signal of the second dynamic comparator based on the comparison result, output the selected output signal, and control clock signals, which are input to the first dynamic comparator and the second dynamic comparator respectively, based on the comparison result, so as to stop the operation of the dynamic comparator of which output signal is not selected.. . ... Mitsubishi Electric Corporation

08/09/18 / #20180226913

Power converting apparatus and heat pump apparatus

A power converting apparatus for applying to a load an alternating-current voltage converted from a direct-current voltage includes an inverter that receives a pwm signal and applies the alternating-current voltage to the load and an inverter control unit that generates the pwm signal and supplies the pwm signal to the inverter. The frequency of the pwm signal is integer multiples of the frequency of the alternating-current voltage. ... Mitsubishi Electric Corporation

08/09/18 / #20180226852

Rotating electric machine

A stator coil has a first layer wound around a tooth portion of a stator core-sequentially from the radially outer side to the radially inner side of a stator, and is wound while a winding direction is reversed for each layer. If the outermost layer is denoted by n (n is an odd number equal to or greater than 3) and the final turn in each layer is denoted by m (m is equal to or greater than 2), the m-th turn in the n-th layer is wound on the radially outer side of the stator, the stator coil on the radially inner side is lane-changed on a shorter-side tooth portion, and a part of the stator coil on the radially outer side in the outermost layer is lane-changed on a longer-side tooth portion.. ... Mitsubishi Electric Corporation








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