Mitsubishi Electric Corporation patent applications on September 5th, 2024
Patent Applications by Mitsubishi Electric Corporation on September 5th, 2024
Mitsubishi Electric Corporation: 16 patent applications
Mitsubishi Electric Corporation has applied for patents in the areas of B60T8/17 (1), H01S5/062 (1), H01L29/16 (1), H01L29/45 (1), H01L29/78 (1) B60T8/1705 (1), C09D5/1668 (1), G01C21/206 (1), G01L19/0627 (1), G01R23/16 (1)
With keywords such as: unit, information, signal, semiconductor, device, optical, current, value, portion, and state in patent application abstracts.
Patent Applications by Mitsubishi Electric Corporation
Inventor(s): Shumpei ONODERA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): B60T8/17, B60T8/172, B60T8/1761, B60T8/1763
CPC Code(s): B60T8/1705
Abstract: in a railway vehicle, a brake control device controlling a first brake device that presses a friction material against a wheel and a second brake device not using the friction material includes: a wheel load estimation unit estimating a wheel load-based on a wheel speed and a brake force applied to the wheel by the friction material; a friction surface state quantity estimation unit estimating a current friction coefficient of the friction material from a state of a friction surface thereof based on the wheel load, the wheel speed, and a brake force command, and outputting a mirror-surfacing signal indicating the friction surface is in a mirror-surfaced state when the friction coefficient is less than a first threshold value; and a brake control unit controlling operations of the first and second brake devices based on the brake force command and presence or absence of the mirror-surfacing signal.
20240294778. COATING FILM AND COMPONENT PART_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Yasuhiro YOSHIDA of Tokyo (JP) for mitsubishi electric corporation, Natsumi KOYAMA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): C09D5/16, C08K7/18, C09D7/40, C09D7/61, C09D127/12
CPC Code(s): C09D5/1668
Abstract: a coating film includes a water-repellent resin having a smooth surface and a contact angle of 70 degrees or more. the coating film has a plurality of protrusions formed by the water-repellent resin, and the plurality of protrusions are scattered in the coating film and each have an end portion with a convex surface formed by cutting out a continuous region accounting for 50% or more of a spherical surface. the spherical surfaces each have an average radius of curvature of 16 �m or less. an average distance between each ones of the plurality of protrusions adjacent to each other is less than or equal to 30 times a radius of curvature.
Inventor(s): Shinji MAEDA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01C21/20
CPC Code(s): G01C21/206
Abstract: an information processing device includes an acquisition unit that acquires operation information as information indicating a present situation in a transportation system, a first present time, identification information, and facility information, an identification unit that identifies a congestion elimination time corresponding to the present situation by using the operation information, the first present time and the identification information and identifies a facility to which users should be guided based on the identified congestion elimination time and the facility information, a generation unit that generates information for guiding the users to the identified facility, and an output control unit that executes control for outputting the generated information.
20240295456. PRESSURE SENSOR DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Hiroyuki KISHIMOTO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01L19/06, G01L9/00
CPC Code(s): G01L19/0627
Abstract: provided is a pressure sensor device including: a case body; a pressure detection element; a wire; and a lead frame, wherein the case body has a first recessed portion and a second recessed portion formed therein, wherein the first recessed portion faces a pressure introduction chamber, wherein the second recessed portion is formed in a part of a bottom portion of the first recessed portion, wherein at least a part of the lead frame, the pressure detection element, and the wire are arranged inside of the second recessed portion, wherein the second recessed portion is filled with a first protection member, wherein the first recessed portion has a resin member having a film shape provided therein, wherein the resin member covers an entire surface of the first protection member, wherein the first recessed portion is filled with a second protection member.
Inventor(s): Yuji AKIYAMA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01R23/16
CPC Code(s): G01R23/16
Abstract: a signal analysis apparatus includes: a reception unit outputting sampling sequences obtained by adding different delay times and sampling each signal at a sampling rate lower than a nyquist rate; a time-frequency conversion unit converting each sampling sequence to a frequency domain signal; a signal processing unit collectively performing phase compensation processing and processing for canceling phase rotation between the sampling sequences; a frequency estimation unit estimating frequency of the target signal by determining a sub-nyquist zone in which the target signal has been folded; a frequency selection unit selecting a frequency group with a higher estimated spectrum amplitude value based on a sum of values for each sub-nyquist zone, the values being obtained by multiplication of the sampling sequences by the corresponding coefficients; and a separation unit performing separation processing for separation of an error in the target signal by using the frequency group selected.
Inventor(s): Noritsugu NOMURA of Tokyo (JP) for mitsubishi electric corporation, Takuya YOSHIMURA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01R31/26
CPC Code(s): G01R31/2601
Abstract: occurrence of partial discharge is reduce and the test of electrical properties of a semiconductor device is and stably performed. a semiconductor testing apparatus includes a stage, a probe, a separation section, and a gas supply section. the probe performs electrical input and output to and from the semiconductor device held on the stage. the separation section separates the space above the semiconductor device held on the stage into the pressurized space and the probe space including the probe. the gas supply section supplies gas to the pressurized space to pressurize the pressurized space.
Inventor(s): Koji TANAKA of Tokyo (JP) for mitsubishi electric corporation, Mitsuru SAKAI of Tokyo (JP) for mitsubishi electric corporation, Ken NAGURA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06F3/01, G06F3/044
CPC Code(s): G06F3/016
Abstract: a tactile sense presentation device calculates a first drive voltage signal by using a target vibration preset to correspond to a touch position and a vibration transfer characteristic up to the touch position through an actuator, and reduces components of a first frequency band of the first drive voltage signal less than a preset frequency to calculate a second drive voltage signal within a preset voltage range, whereby vibration presenting appropriate tactile stimulus to a user can be generated within the preset voltage range.
Inventor(s): Reiko SAKATA of Tokyo (JP) for mitsubishi electric corporation, Saki MATSUI of Tokyo (JP) for mitsubishi electric corporation, Masami AIKAWA of Tokyo (JP) for mitsubishi electric corporation, Eiji YUASA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06Q50/47, G06Q10/1093
CPC Code(s): G06Q50/47
Abstract: a presentation information generation device includes: a recommended position calculating unit that acquires ventilation equipment information indicating a state of ventilation equipment in a passenger car and outputs recommended position information of a passenger by using the ventilation equipment information; a presentation information generating unit that generates and outputs recommended position presenting information indicating a recommended position of the passenger in the passenger car by using the recommended position information output by the recommended position calculating unit; and a presentation information output unit that outputs, to a presentation device, the recommended position presenting information generated by the presentation information generating unit.
20240297104. POWER SEMICONDUCTOR DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Daisuke OYA of Tokyo (JP) for mitsubishi electric corporation, Yukimasa HAYASHIDA of Fukuoka (JP) for mitsubishi electric corporation, Tetsuo MOTOMIYA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L23/498, H01L23/00
CPC Code(s): H01L23/49811
Abstract: an object of the present invention is to provide a power semiconductor device enabling a downsizing of a module. a power semiconductor device according to the present invention includes: emitter main electrodes each provided in each of a plurality of semiconductor chips; and main electrode emitter sense terminals directly connected to each of the emitter main electrodes and partially exposed outside a module, wherein each of the main electrode emitter sense terminals is located diagonally to each other, and a distance from each of the main electrode emitter sense terminals to each of the emitter main electrodes connected to each of the main electrode emitter sense terminals is smaller than a distance between the main electrode emitter sense terminals in a plan view outside the module.
Inventor(s): Motoru YOSHIDA of Tokyo (JP) for mitsubishi electric corporation, Katsutoshi SUGAWARA of Tokyo (JP) for mitsubishi electric corporation, Yoshitaka KIMURA of Tokyo (JP) for mitsubishi electric corporation, Yutaka FUKUI of Tokyo (JP) for mitsubishi electric corporation, Tetsuo TAKAHASHI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L29/417, H01L29/06, H01L29/16, H01L29/45, H01L29/78
CPC Code(s): H01L29/41741
Abstract: in a silicon carbide semiconductor device, in a plan view, a plurality of source contact holes is intermittently provided in a second direction along a trench gate, and a source electrode is provided on an insulating film and is electrically connected to a source layer via the plurality of source contact holes. intermittent recesses reflecting the shapes of the plurality of source contact holes are provided on a surface of the source electrode on a side opposite to the semiconductor substrate.
20240297479. OPTICAL SEMICONDUCTOR DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Shogo ITO of Tokyo (JP) for mitsubishi electric corporation, Keisuke MATSUMOTO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01S5/024, H01S5/026, H01S5/042, H01S5/062, H01S5/20
CPC Code(s): H01S5/02453
Abstract: an optical semiconductor comprises a semiconductor substrate and a semiconductor structure part including an optical waveguide layer that is formed on the semiconductor substrate. the semiconductor structure part includes a cladding layer connected to a first face that is the face on the side of the semiconductor substrate in the optical waveguide layer and to a second face that is the face on the opposite side of the semiconductor substrate, and a heater layer made of a semiconductor material to heat the optical waveguide layer from the side of the first face or/and from the side of the second face in the optical waveguide layer through the cladding layer.
20240297496. Restricted Earth Fault Relay_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Reiji WATASE of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Shigeto ODA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02H7/045
CPC Code(s): H02H7/045
Abstract: a restricted earth fault relay includes: a first differential amount calculation unit that calculates a first differential amount based on a zero-phase current and a neutral point current; a current change detection unit that detects changes in the phase currents; and a first suppression amount calculation unit that calculates a first suppression amount. when the changes in the phase currents are detected, the first suppression amount calculation unit calculates a first maximum value as the first suppression amount, the first maximum value being a maximum value of effective values of the subtraction currents in the phases and an effective value of the neutral point current. the restricted earth fault relay further includes an operation determination unit that outputs a protection signal for protecting a three-phase transformer, when the first differential amount and the first suppression amount are within an operating region.
20240297505. POWER CONVERTOR_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Koki MATSUMOTO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Sadayuki INOUE of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02J3/40, H02J3/38
CPC Code(s): H02J3/40
Abstract: a virtual synchronous generator controller included in a controller of a power convertor generates a first command value of a frequency of a second voltage and a second command value of a phase of the second voltage by making an active power value and an active power target value correspond respectively to electrical energy and mechanical energy of a motion equation of a rotor of a synchronous generator to simulate an operation of the synchronous generator. when a turn-on condition is satisfied, a determination unit switches a connection state from a non-conduction state to a conduction state by controlling a relay that causes the connection state between an inverter and an ac power system to be selectively switched between the conduction state and the non-conduction state.
Inventor(s): Kaho MUKUNOKI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Toshiyuki FUJII of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Ryosuke UDA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Kota HAMANAKA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Shuhei FUJIWARA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02M7/5387
CPC Code(s): H02M7/53871
Abstract: a current suppression control unit calculates correction terms of reference voltage command values for operating a power converter as a voltage source. the correction terms are calculated to compensate for respective current deviations of output currents transformed on two axes, with respect to current command values on a two-axis rotating coordinate system for suppressing an output current of the power converter to less than or equal to a control upper limit value. a proportional control unit has proportional elements to reflect the current deviations in the correction terms within the same axes of the two axes. a decoupling control unit has integral elements to reflect the current deviations in the correction terms between the different two axes.
20240297720. COHERENT OPTICAL RECEIVER_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): GWILLERM FROC of RENNES Cedex 7 (FR) for mitsubishi electric corporation
IPC Code(s): H04B10/61
CPC Code(s): H04B10/612
Abstract: a coherent optical receiver comprises a local oscillator, a polarization-diversity actuator configured for modifying an optical signal output by the local oscillator and a 2�2 coupler for coupling the optical signal output by the polarization-diversity actuator and a modulated optical signal received from a coherent optical transmitter. the local oscillator thus provides a boosting effect to the amplitude-shift keying modulated optical signal. the coherent optical receiver comprises a controlling unit performing a domain-switching procedure acting on ellipticity main axis orientation and/or ellipticity phase shift for coarse control of the polarization-diversity actuator, and a phase-refining procedure acting on a controlled error signal injected in the phase of the optical signal output by the polarization-diversity actuator for fine control of the polarization-diversity actuator.
20240298427. ON-BOARD DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Yuki MIYATA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Hiroyuki USHIFUSA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Toru YAMADA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Hirokazu TAKABAYASHI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H05K7/20, B61C17/00, F28F13/12
CPC Code(s): H05K7/2089
Abstract: an in-vehicle device includes a housing, one or more coolers, and one or more turbulence generating members. the housing is attachable to a railway vehicle and accommodates an electronic component that generates heat. the one or more coolers are attached to and located outside the housing, with the one or more coolers thermally connected to the electronic component, to dissipate heat transferred from the electronic component to passing air occurring when the railway vehicle travels. the one or more turbulence generating members are located on a flow path of the passing air to cause turbulence by partly interrupting a flow of the passing air flowing to the at least one cooler.
Mitsubishi Electric Corporation patent applications on September 5th, 2024
- Mitsubishi Electric Corporation
- B60T8/17
- B60T8/172
- B60T8/1761
- B60T8/1763
- CPC B60T8/1705
- Mitsubishi electric corporation
- C09D5/16
- C08K7/18
- C09D7/40
- C09D7/61
- C09D127/12
- CPC C09D5/1668
- G01C21/20
- CPC G01C21/206
- G01L19/06
- G01L9/00
- CPC G01L19/0627
- G01R23/16
- CPC G01R23/16
- G01R31/26
- CPC G01R31/2601
- G06F3/01
- G06F3/044
- CPC G06F3/016
- G06Q50/47
- G06Q10/1093
- CPC G06Q50/47
- H01L23/498
- H01L23/00
- CPC H01L23/49811
- H01L29/417
- H01L29/06
- H01L29/16
- H01L29/45
- H01L29/78
- CPC H01L29/41741
- H01S5/024
- H01S5/026
- H01S5/042
- H01S5/062
- H01S5/20
- CPC H01S5/02453
- H02H7/045
- CPC H02H7/045
- H02J3/40
- H02J3/38
- CPC H02J3/40
- H02M7/5387
- CPC H02M7/53871
- H04B10/61
- CPC H04B10/612
- H05K7/20
- B61C17/00
- F28F13/12
- CPC H05K7/2089
