10900 patents
Page 24 of 545
Utility
Movement Route Estimation Device, Movement Route Estimation Method, and Non-transitory Computer Readable Medium
2 Nov 23
A movement route estimation device (50) includes an object search unit (504) and a movement route estimation unit (505).
Ryoji HATTORI, Seiji OKUMURA, Takayuki KODAIRA, Hirofumi NISHIKAWA, Akito ARAI, Fuminori NAGASAWA, Eiji YAMAMOTO
Filed: 11 Jul 23
Utility
Signal Processor, Signal Processing Method, and Radar Device
2 Nov 23
A signal processor is configured to include: a high-order phase linearizing unit to acquire an input reception signal of a reflected wave from a target to be detected, and raise a sampling number of the input reception signal to power by using an order of a high-order component included in the input reception signal as a power index; and a high-order coherent integrating unit to perform coherent integration of the reception signal having the sampling number raised to the power by the high-order phase linearizing unit.
Satoshi KAGEME
Filed: 7 Jul 23
Utility
Radar Device
2 Nov 23
A radar device includes a radar signal output unit outputs a first frequency modulation signal that changes in frequency with a first chirp slope and repeats in a first chirp period, and a second frequency modulation signal that changes in frequency with a second chirp slope different from the first chirp slope and repeats in a first chirp period; a signal processing unit determines the target in the first frequency modulation signal and the target in the second frequency modulation signal as pseudo targets in a case where a beat frequency of the target in the first frequency modulation signal matches a beat frequency of the target in the second frequency modulation signal, and a Doppler frequency of the target in the second frequency modulation signal matches a Doppler frequency of the target in the second frequency modulation signal.
Takahiro HORIGUCHI
Filed: 3 Jul 23
Utility
Lidar Device
2 Nov 23
A lidar device radiating a first laser beam in an absorption band of a gas and a second laser beam having a lower absorption rate than that of the first laser beam to the gas in a space includes: a light source of a laser beam; a frequency outputter outputting a first frequency or a second frequency different from the former; a reference light outputter outputting the laser beam as reference light; a transmitter generating the first laser beam by modulating a frequency of the laser beam by the first frequency, generating the second laser beam by modulating the frequency of the laser beam by the second frequency, and radiating both to the space; and a receiver receiving the first laser beam and then scattered by the gas or the second laser beam and then similarly scattered and detect interference between the scattered light and the reference light.
Masaharu IMAKI, Takayuki NAKANO, Yusuke ITO
Filed: 12 Jul 23
Utility
Frequency Separator, Optical Quantization Circuit, Optical A/d Conversion System, and Optical Signal Processing System
2 Nov 23
A frequency separator includes a plurality of filters to separate light having a plurality of optical pulses, each of the optical pulses having one of a plurality of frequencies, into a plurality of light components, each of the light components being to have one of a plurality of frequency bands corresponding to the plurality of frequencies, in which among the plurality of filters, a center frequency of a first frequency band of a first filter and a center frequency of a second frequency band, adjacent to the first frequency band, of a second filter are separated beyond a bandwidth of each of the first and second frequency bands.
Junya NISHIOKA, Takatoshi AKAMATSU, Naoki SUZUKI, Kiyoshi ONOHARA
Filed: 27 Jun 23
Utility
Non-transitory Computer Readable Medium Storing Data Distribution Program, Server Apparatus, Terminal Apparatus, and Data Distribution System
2 Nov 23
A data distribution program causes a server apparatus to execute a process of distributing project data to a terminal apparatus that writes the project data to a device among a plurality of devices included in an apparatus.
Toru ISHIKURO
Filed: 12 May 21
Utility
Method and Program for Automatically Arranging Parts on Cad
2 Nov 23
A method for automatically arranging parts on a CAD comprises: part condition acquisition step A; part arrangement order acquisition step; boundary line acquisition step B; part arrangement step C; boundary line updating step; first repetition step; part type change step; and second repetition step.
Katsumi URYU, Koji OKUNO, Noritsugu NOMURA
Filed: 29 Nov 22
Utility
Display System, Virtual Space Providing Apparatus, and Display Method
2 Nov 23
A display system includes: an operation screen information acquiring unit to acquire operation screen information indicating an operation screen for receiving an operation by an operator; an operation screen providing unit to provide the operation screen indicated by the operation screen information to the operator by displaying the operation screen on a display device; and a virtual space providing unit to provide a virtual space including a virtual operation screen simulating the operation screen indicated by the operation screen information to the operator by displaying the virtual space on a display device.
Hirohiko HIGUCHI
Filed: 10 Jul 23
Utility
Communication System
2 Nov 23
A communication system includes a base station and a communication terminal connected to the base station.
Tadahiro SHIMODA, Mitsuru MOCHIZUKI, Masayuki NAKAZAWA, Naofumi IWAYAMA
Filed: 11 Oct 21
Utility
Mobile Communication System, Base Station, Communication Terminal Device and MTC Device
2 Nov 23
The present invention has an object to provide a communication system capable of avoiding congestion in downlink communication or uplink communication and a shortage of radio resources arising therefrom.
Mitsuru MOCHIZUKI, Miho MAEDA, Yasushi IWANE, Takayuki NONAMI, Taisei SUEMITSU, Yuichi NAKAI
Filed: 11 Jul 23
Utility
Method, Device, Computer Program Product, and Non-transitory Information Storage Medium for Allocating Radio Frequency Resource
2 Nov 23
The radio frequency resource is shared between the first device and at least one second device connected to a second radio access network.
Jean-Christophe SIBEL, Artem BORYSKIN
Filed: 12 Mar 21
Utility
Object recognition apparatus, object recognition method, and computer readable medium
31 Oct 23
An extraction unit (101) extracts as a stationary object-detection point, a detection point on a stationary object among a plurality of detection points around a vehicle (200), the plurality of detection points being detected by an outside-detection sensor (501) at a plurality of detection timings.
Ryota Sekiguchi, Koji Iida
Filed: 28 Nov 19
Utility
Semiconductor device comprising a lead electrode including a through hole
31 Oct 23
An object is to provide a semiconductor device in which heat generated in a lead electrode when conducting a large current can be reduced and the bonding quality between the lead electrode and a semiconductor element can be inspected easily.
Kazuhisa Osada, Yuki Yano, Satoru Ishikawa, Shohei Ogawa
Filed: 4 Jan 22
Utility
Semiconductor device and power conversion device
31 Oct 23
The present invention relates to a semiconductor device, wherein the semiconductor substrate includes: a semiconductor layer; and a well region, the semiconductor device includes: a surface electrode provided on a second main surface on a side opposite to a first main surface; a back surface electrode provided on the first main surface; and an upper surface film covering an end edge portion of the surface electrode and at least part of an outer side region outside an end surface of the surface electrode of the semiconductor substrate, the well region includes a portion extending to the outer side region and a portion extending to an inner side region inside the end surface of the surface electrode, and the upper surface film includes at least one outer peripheral opening part provided along an outer periphery of the surface electrode away from the surface electrode of the outer side region.
Kohei Ebihara, Shiro Hino, Kosuke Miyazaki, Yasushi Takaki
Filed: 29 Jan 19
Utility
Motor having stator and rotor configured to reduce eddy current loss, and compressor and air conditioner incorporating same
31 Oct 23
A rotor core has steel laminations stacked in the axial direction, and a permanent magnet is embedded in the rotor core.
Masahiro Nigo
Filed: 27 Jul 18
Utility
Power converting apparatus, motor driving apparatus, and air conditioner
31 Oct 23
A power converting apparatus includes: a bridge circuit that includes at least two legs each including switching elements connected in series, and converts an alternating-current voltage output from an alternating-current power supply into a direct-current voltage; a power-supply current detecting unit that detects a current from the alternating-current power supply; a zero crossing detecting unit that detects a voltage polarity of the alternating-current power supply; and a control unit that controls ON and OFF of the switching elements depending on outputs of the power-supply current detecting unit and the zero crossing detecting unit, in which a dead time that is set for switching and includes a change in the voltage polarity of the alternating-current power supply is longer than a dead time that is set for switching and does not include a change in the polarity.
Keisuke Uemura, Satoru Ichiki, Takuya Shimomugi, Koichi Arisawa, Kenji Iwazaki
Filed: 28 Sep 18
Utility
Power converting apparatus, motor driving apparatus, and air conditioner
31 Oct 23
A power converting apparatus includes: a reactor that includes a first terminal and a second terminal, the first terminal being connected to an alternating-current power supply; a bridge circuit that is connected to the second terminal of the reactor, includes at least one or more switching elements, and converts an alternating-current voltage output from the alternating-current power supply into a direct-current voltage; a power-supply current detecting unit that detects a current from the alternating-current power supply; and a control unit that controls ON and OFF of the switching elements depending on a current value detected by the power-supply current detecting unit, in which two or more current thresholds for controlling ON and OFF of the switching elements are included.
Keisuke Uemura, Satoru Ichiki, Takuya Shimomugi, Koichi Arisawa, Kenji Iwazaki
Filed: 28 Sep 18
Utility
Power converter
31 Oct 23
A power converter includes an inverter circuit connected between the positive and negative terminals of a DC power supply, three single-phase bridge circuits each connected in series between an AC terminal of one of different phases of the inverter circuit and a motor, and a power conversion controller that generates gate signals to control operations of the inverter circuit and the three single-phase bridge circuits based on phase voltage commands.
Tetsuya Kojima, Hisatoshi Fukumoto, Kenji Fujiwara, Akihiko Iwata
Filed: 25 Jun 19
Utility
Motor drive system and air conditioner
31 Oct 23
A motor drive system includes: an inverter that drives a motor; a current detector that detects and outputs the first signal that is a current value of a current flowing through the inverter; a first low-pass filter that removes a noise frequency component from the first signal and outputs a second signal that is a current value after the noise frequency component has been removed; a demagnetization current determiner that compares a demagnetization current threshold with the second signal, and outputs a demagnetization protection signal when the second signal takes a value larger than the demagnetization current threshold; and a short circuit determiner that compares a third signal with a short circuit and outputs an anomaly signal for stopping the inverter when the third signal takes a value larger than or equal to the short circuit threshold.
Tomohiro Kutsuki, Shinji Sakai
Filed: 24 Oct 19
Utility
Induction cooker
31 Oct 23
An induction cooker includes a first coil, a second coil, a third coil, and a controller.
Jun Bunya, Ikuro Suga, Miyuki Takeshita, Ryota Asakura, Kazuhiro Kameoka
Filed: 8 Nov 17