10900 patents
Page 21 of 545
Utility
Power Conversion Device
9 Nov 23
A power conversion device includes a self-commutated power converter that performs power conversion between an AC circuit and a DC circuit, and a control device that controls switching operation of a switching element included in the self-commutated power converter.
Fuminori NAKAMURA, Yoshiyuki KONO, Ryosuke UDA
Filed: 29 Sep 20
Utility
Digital-to-analog Converter
9 Nov 23
A digital-to-analog converter includes a plurality of 1-bit elements each of which outputs a current corresponding to a value indicated by a digital signal when the digital signal is input; and a capacitive load connected to the plurality of 1-bit elements, the digital-to-analog converter being configured to generate an analog voltage waveform via the capacitive load that receives currents output from the plurality of 1-bit elements, wherein each of the 1-bit elements includes a switching circuit to change a bias of a voltage in each of the 1-bit elements according to a value indicated by an input digital signal, and to switch connection and non-connection with a power supply according to a change in the bias.
Shuichi SAKATA, Kento SAIKI, Yuji KOMATSUZAKI
Filed: 19 Jul 23
Utility
Communication Apparatus
9 Nov 23
A receiver that is a communication apparatus includes a plurality of receiving antennas that receives, as reception signals, interference signals and desired signals transmitted by a transmitting apparatus that performs sequence multiplication processing at the time of transmission, and an interference suppressor that generates, for each of the receiving antennas, a weight used when combining the reception signals received by the respective receiving antennas, and performs inter-antenna combining that is combining of the reception signals, using the weights, to perform interference suppression on the reception signals.
Shigenori KITANAKA
Filed: 14 Jul 23
Utility
Terminal and Base Station
9 Nov 23
A terminal to be installed in a machine having rotor blades in a communication system in which the terminal and a base station transmit and receive data via a relay station to and from each other, includes a rotor blade state monitoring unit that monitors a rotor blade state by measuring the timing at which the rotor blades block a communication path in midair between the relay station and the terminal, and a transceiver that transmits the rotor blade state to the base station and transmit the data using radio resources allocated by the base station.
Shigenori TANI, Koichi NATSUME, Akihiro OKAZAKI
Filed: 12 Jul 23
Utility
Motor, Fan, and Air Conditioner
9 Nov 23
A motor includes a rotor, a stator surrounding the rotor, a circuit board attached to the stator, a mold resin part covering the stator and the circuit board, a lead wire connected to the circuit board and drawn out of the mold resin part, and a cover member provided on the mold resin part and made of a resin.
Ryogo TAKAHASHI, Hiroki ASO, Takaya SHIMOKAWA, Takanori WATANABE, Kazuchika TSUCHIDA
Filed: 14 Oct 20
Utility
Heat Exchanger and Air-conditioning Apparatus Including Heat Exchanger
9 Nov 23
A heat exchanger includes a plurality of heat transfer pipes provided at spacings from each other in a first direction, a header having an insertion hole in which a front end of each of the plurality of heat transfer pipes is inserted from a second direction orthogonal to the first direction, and a fin attached to heat transfer pipes.
Nanami KISHIDA, Yoji ONAKA, Takashi MATSUMOTO
Filed: 23 Sep 20
Utility
Indoor Unit and Refrigeration Cycle Device
9 Nov 23
An indoor unit includes: a main body having an opening near an air-conditioning target space and attached to an installation section; a panel having an air inlet through which air is suctioned and an air outlet through which the suctioned air is discharged, and covering the opening of the main body; a fan provided to the main body and generating flow of air that is suctioned from the air inlet of the panel and blown out from the air outlet of the panel; a bell mouth provided upstream of the fan in the main body and guiding the air suctioned from the air inlet toward the fan; and an electric component box provided upstream of the bell mouth in the main body, to thereby define an air-flowing space between the electric component box and the bell mouth, and accommodating a control unit that controls operation of the fan.
Atsushi KONO, Takuya TERAMOTO, Makoto KURIHARA, Kazuki ISOMURA
Filed: 17 Nov 20
Utility
Map Data Management Apparatus and Map Data Management Method
9 Nov 23
A map update controller of a map data management apparatus predicts meshes whose pieces of map data will be requested from a map application, and identifies meshes whose pieces of map data stored in the map database are not latest as update-necessary meshes, from among the predicted meshes whose pieces of map data will be requested.
Seigo KANAZAWA, Mitsuo SHIMOTANI, Yasushi KODAKA, Keisuke INOUE
Filed: 23 Oct 20
Utility
Learning Device and Inference Device for State of Air Conditioning System
9 Nov 23
The learning device includes: a first data acquisition unit; and a model generation unit.
Mitsuhiro ISHIGAKI, Hiroaki HOKARI, Takahiro HASHIKAWA
Filed: 11 Dec 20
Utility
Object Scanning Device, Control Circuit, Storage Medium, and Object Scanning Method
9 Nov 23
An object scanning device generates an image of a radio wave scatterer that is a measurement subject disposed in a measurement area based on reflected waves of radio waves including a plurality of frequencies radiated to the radio wave scatterer, and includes a phase composite image generation unit that generates a phase composite image into which a plurality of images obtained through imaging based on the reflected waves are composed by performing complex addition for each pixel of the plurality of images.
Michiya HAYAMA, Akinori TAIRA, Kazuaki ISHIOKA
Filed: 18 Jul 23
Utility
Refrigeration Cycle Device
9 Nov 23
To provide a refrigeration cycle device that has a refrigerant flow path with a structure to form a counter flow of air and refrigerant not only during cooling, but also during heating, and that allows low-pressure two-phase refrigerant to flow through a liquid pipe and can thereby reduce the amount of refrigerant needed.
Kenta MURATA
Filed: 13 Nov 20
Utility
Radar Signal Processing Device and Radar Signal Processing Method
9 Nov 23
A radar signal processing device includes: a forming unit to form beams by using reception signals; a compensation unit to compensate for a phase within a range frequency; a generation unit to generate an image of each beam by applying Fourier transform in an azimuth direction to the beams (with phases compensated; an identification unit to identify a position of a target object based on the image; a calculation unit to calculate power of each beam represented by the image of each beam at a position of the target object; a computing unit to compute an antenna gain of each beam at a position of the target object; and an angle measurement unit to measure angle on the target object by performing maximum likelihood estimation of comparing the power of each beam with the antenna gain of each beam at the position of the target object.
Tomoya YAMAOKA, Kei SUWA
Filed: 19 Jul 23
Utility
Distributor, Heat Exchanger and Air Conditioner
9 Nov 23
A distributor includes at least: a first flow path through which refrigerant flowing in from a refrigerant inflow unit flows in a first direction toward a heat transfer tube disposed on the side of a refrigerant outflow unit; two second flow paths branched from the first flow path; two third flow paths, through each of which the refrigerant flows in a second direction opposite to the first direction; two fourth flow paths, each of which is formed to protrude from a main body toward the second direction and through each of which the refrigerant flows in a third direction intersecting the two third flow paths; and two fifth flow paths, through each of which the refrigerant flows in the first direction.
Atsushi TAKAHASHI, Tsuyoshi MAEDA, Satoru YANACHI
Filed: 21 Oct 20
Utility
Controller, Control Circuit, and Resource Allocation Method
9 Nov 23
A controller includes a physical network information acquisition unit obtaining information about resource of a device and information about connection between devices in a wireless access network, a physical path calculation unit calculating physical path resource information based on the information about resource of the device and the information about connection between the devices, an abstract path resource calculation unit calculating abstract path resource information based on the physical path resource information, an abstract path correlation calculation unit generating correlation information between abstract paths, a resource pool storing the abstract path resource information and the correlation information, a temporary resource pool temporarily storing the abstract path resource information and the correlation information, an abstract resource allocation unit determining whether a slice meeting a requirement of a slice request can be generated, and a temporary resource calculation unit updating information in the temporary resource pool.
Kenichi NAKURA, Takeshi SUEHIRO
Filed: 19 Jul 23
Utility
Heat Exchanger and Refrigeration Cycle Apparatus
9 Nov 23
A heat exchanger includes: a fin extending in a widthwise direction along an air flow direction and extending in a longitudinal direction crossing the air flow direction; and a heat transfer tube passing through the fin.
Akira YATSUYANAGI, Tsuyoshi MAEDA, Satoru YANACHI
Filed: 27 Nov 20
Utility
Mobile Communication System, Originating Base Station, Candidate Base Station, and Mobile Terminal
9 Nov 23
A mobile communication system, which changes a communication partner of a mobile terminal from an originating base station to a destination base station, wherein a request message requesting to become a candidate is transmitted to a plurality of candidate base stations, which are potential destination base stations, from the originating base station, a response message responding to the request message is transmitted from the plurality of candidate base stations to the originating base station, and information of the candidate base stations is transmitted from the originating base station to the mobile terminal.
Yasuhiro ONAKA, Miho MAEDA, Mitsuru MOCHIZUKI, Taisei SUEMITSU, Noriyuki FUKUI
Filed: 14 Jul 23
Utility
Manufacturing method of housing for semiconductor device
7 Nov 23
Each of a plurality of terminals has a first portion and a second portion being a connection target for a semiconductor element.
Hiroyuki Masumoto
Filed: 2 Aug 21
Utility
Rotation adjustment mechanism and headlight device
7 Nov 23
A rotation adjustment mechanism includes a rotation target module supported to be freely rotatable with respect to a fixation member around a first rotary shaft and an adjustment unit including a slider.
Ritsuya Oshima, Takeshi Inatani, Muneharu Kuwata
Filed: 31 Mar 20
Utility
Driving system for distribution of planning and control functionality between vehicle device and cloud computing device, vehicle computing device, and cloud computing device
7 Nov 23
A driving system includes a vehicle computing device on a vehicle and a cloud computing device at a location physically separated from the vehicle.
Akshay Bhagat
Filed: 4 Dec 20
Utility
Cognitive function estimation device, learning device, and cognitive function estimation method
7 Nov 23
Provided are a vehicle outside information acquiring unit to acquire vehicle outside information, a face information acquiring unit to acquire face information, a biological information acquiring unit to acquire biological information, a vehicle information acquiring unit to acquire vehicle information, a vehicle outside information feature amount extracting unit to extract a vehicle outside information feature amount on the basis of the vehicle outside information, a face information feature amount extracting unit to extract a face information feature amount in accordance with the vehicle outside information feature amount, a biological information feature amount extracting unit to extract a biological information feature amount in accordance with the vehicle outside information feature amount, a vehicle information feature amount extracting unit to extract a vehicle information feature amount in accordance with the vehicle outside information feature amount, and a cognitive function estimation unit to estimate whether a cognitive function of a driver is low on the basis of a machine learning model, the vehicle outside information feature amount, and at least one of the face information feature amount, the biological information feature amount, or the vehicle information feature amount.
Shusaku Takamoto
Filed: 19 Sep 19