4584 patents
Page 13 of 230
Utility
Power converter
10 Oct 23
To provide a power converter which can distribute heat generation of the switching devices with good accuracy, even when the maximum heating phase of the positive electrode side and the maximum heating phase of the negative electrode side are different phases, and even when the maximum heating phase of the positive electrode side and the maximum heating phase of the negative electrode side changes before and after combining the offset voltage.
Hiroya Natsuhara, Yoshihiko Kimpara, Isao Kezobo, Tatsuya Mori, Akira Furukawa
Filed: 18 Apr 18
Utility
Reception device
10 Oct 23
A reception device includes a measurement unit that measures a first number of times for which a first phase and a first reverse phase based on a differential signal obtained by amplifying a signal based on noise intersect with each other, the first reverse phase being a reverse phase of the first phase, an oscillator that transmits a first signal, a comparison unit that compares the first number of times with a predetermined first reference value, and a signal output unit that outputs a second signal indicating that an optical signal has been received when the first number of times and the first reference value coincide with each other.
Takanori Kawanaka, Hiroyuki Ozaki, Yusuke Mitsui
Filed: 20 Aug 20
Utility
Vehicle control device and vehicle control method
10 Oct 23
In a vehicle control device, a switching hyperplane generation unit generates a switching hyperplane based on a travel state of a vehicle and cornering stiffness dependent on a travel surface state as a state of a road surface on which the vehicle travels.
Shota Kameoka
Filed: 6 Dec 19
Utility
Dehumidifying element, dehumidifying device, and a method of manufacturing dehumidifying element
10 Oct 23
A dehumidifying element includes: a layered body in which a plurality of sheets supporting an adsorbent that dehumidifies air are stacked on one another, with gaps provided between adjacent ones of the plurality of sheets, the gaps allowing air to pass therethrough; a casing that holds the layered body; and a cushioning member provided between the casing and the layered body in a stacking direction in which the plurality of sheets are stacked on one another, the cushioning member being configured to expand and contract.
Shota Yamada, Akinori Shimizu, Yoko Matsuura
Filed: 11 Jun 20
Utility
Control substrate and indoor equipment of air conditioner
10 Oct 23
A control substrate includes a substrate, a power-supply circuit, a communication circuit, a first terminal block that includes a first wiring connector, a second wiring connector, and a third wiring connector, a second terminal block that includes a fourth wiring connector and a fifth wiring connector, a first pattern, a second pattern, a third pattern, a fourth pattern, a fifth pattern, a sixth pattern, a first switch that is provided in the third pattern and is capable of switching connection and disconnection between the second wiring connector and the communication circuit, and a second switch that is provided in the fifth pattern and is capable of switching connection and disconnection between the fourth wiring connector and the communication circuit.
Shinya Kaneoya
Filed: 18 Apr 18
Utility
Diagnostic device, diagnostic method and program
10 Oct 23
A diagnostic device (10) includes an acquirer (101) and a diagnoser (140).
Takahiko Masuzaki, Osamu Nasu
Filed: 18 Jun 18
Utility
Abnormality diagnosis method, abnormality diagnosis device and non-transitory computer readable storage medium
10 Oct 23
An abnormality diagnosis method for diagnosing an abnormality in equipment includes acquiring multivariate time-series data for a plurality of measurement items from the equipment, diagnosing an abnormality in operational state of the equipment based on the multivariate time-series data, and diagnosing a cause of the abnormality.
Misa Nozuki, Shinsuke Miki
Filed: 27 Apr 20
Utility
Driving plan generating apparatus, remote driving server, and method for generating driving plan
10 Oct 23
The present invention has an object of reducing the number of resident operators in a remote driving system.
Mitsuo Shimotani, Tadashi Miyahara
Filed: 10 Aug 18
Utility
Air conditioning system, server system, network, method for controlling air conditioning system and method for controlling network with self-tuning for optimal configuration of the air conditioning system
10 Oct 23
The present disclosure refers to an air conditioning system, a server system, a network as well as a method for controlling an air conditioning system and a method for controlling a network.
Daniel Coakley
Filed: 19 Mar 20
Utility
Air-conditioning apparatus
10 Oct 23
An air-conditioning apparatus includes a first indoor unit and an outdoor unit in a single refrigeration cycle and connected via a first refrigerant pipe.
Koji Yamaguchi
Filed: 2 Apr 19
Utility
Airtightness evaluation device
10 Oct 23
An airtightness evaluation device includes a differential pressure gauge to output a pressure difference between two spaces connected to two joints.
Takehiro Koyano, Naohiro Ichikawa, Katsuya Taniguchi
Filed: 4 Oct 19
Utility
Conveying path switching device and elevator apparatus
3 Oct 23
A conveying-path rotary switching unit that is a conveying path switching device includes a base, stators arranged along conveying paths for branching for a conveying carriage, a first conveying path provided on the base, and a second conveying path that is provided on the base and is different from the first conveying path.
Masaoki Iwase
Filed: 20 Jul 18
Utility
Input capacitance measurement circuit and method of manufacturing semiconductor device
3 Oct 23
An input capacitance measurement circuit includes a transformer, a first capacitor, a second capacitor, and a third capacitor.
Masayoshi Hirao, Masaki Ueno, Reona Furukawa
Filed: 23 May 22
Utility
Information processing device, information processing method, and computer readable medium
3 Oct 23
A monitor unit (25) monitors positioning augmentation information for correction of satellite positioning errors, the positioning augmentation information being generated by an augmentation information generation device with use of a specified parameter value being a parameter value which is specified.
Kazuhiro Nishikawa, Seigo Fujita
Filed: 2 Apr 19
Utility
Compressor, refrigerant compressing apparatus, and refrigerating apparatus
3 Oct 23
A compressor includes a compression mechanism that compresses refrigerant, and an electromotive mechanism that drives the compression mechanism.
Yuki Tamura, Shuhei Koyama, Takashi Ishigaki
Filed: 2 Feb 16
Utility
Power supply device
3 Oct 23
A power supply device (104-1) includes a substrate (20) on which an electric component (25) is mounted, a chassis (10) having a chassis surface (11) and a threaded part (10a), a chassis-side resin part (91) connected to a back surface (20a) and the chassis surface (11), a fixation screw (29), and an insulating member (60).
Takashi Miyamoto, Naoki Yasuda, Shinichi Okada, Ryota Kusano
Filed: 27 Jun 18
Utility
Level shift circuit
3 Oct 23
A level shift transistor of a first conductivity type configured to level shift a signal from a primary side circuit to a secondary side circuit between the primary side circuit having a primary side reference potential as reference and the secondary side circuit having a secondary side reference potential independent from the primary side reference potential as reference, a diode connected in a forward direction between a first main electrode of the level shift transistor and the secondary side circuit, a capacitor connected in parallel to the diode, and an inverter configured to invert the signal are provided.
Yuta Tsukuma, Hiroshi Yoshida
Filed: 12 May 22
Utility
Interference cancellation device, control circuit, storage medium, and interference center frequency estimation method
3 Oct 23
An interference cancellation device includes a data symbol extraction unit that extracts a data symbol portion from a received signal, a null symbol extraction unit that extracts a null symbol portion from the received signal, a data symbol power calculation unit that calculates a data symbol power estimated value, a null symbol power calculation unit that calculates a null symbol power estimated value, a null symbol spectrum calculation unit that calculates a null symbol spectrum from a null symbol signal, and an interference center frequency estimation unit that eliminates the effect of an image for an interference in calculation of an interference bandwidth when is calculating an interference center frequency estimated value, using a data symbol signal, the data symbol power estimated value, the null symbol power estimated value, and the null symbol spectrum.
Manabu Sakai, Koji Tomitsuka, Hiroki Iura
Filed: 23 Jun 22
Utility
Satellite receiver and satellite communication system
3 Oct 23
A satellite receiver includes: demultiplexing units each demultiplexing, into subchannel signals of a predetermined band, a digital reception signal obtained by converting a calibration signal received by a corresponding one of receiving antenna elements into a digital signal; excitation coefficient multiplication units multiplying the subchannel signals by an excitation coefficient; a complex adder adding the subchannel signals multiplied by the excitation coefficient together for each subchannel signal of the same band; a correlation detection unit calculating, with the use of one demultiplexing unit as a reference demultiplexing unit, a cross-correlation value for each subchannel signal output from each demultiplexing unit different from the reference demultiplexing unit with respect to a subchannel signal of a same band output from the reference demultiplexing unit; and an excitation coefficient generation unit generating a corrected excitation coefficient based on a cross-correlation value and an excitation coefficient created in advance.
Akinori Fujimura, Hitomi Ono, Yoshio Inasawa, Masaaki Kusano
Filed: 27 Jan 20
Utility
Semiconductor laser
3 Oct 23
A semiconductor laser comprises a window structure part including a low resistance active layer formed in end face regions, to have a lower resistance than an active layer located inward with respect to the end face regions.
Kyosuke Kuramoto
Filed: 12 Sep 18