10900 patents
Page 20 of 545
Utility
Ventilation Blower
16 Nov 23
A ventilation blower includes an inverter main circuit, a motor body driven by the main circuit, a control circuit that controls the main circuit, and a storage device.
Kazuhiko HOTTA, Takuya NAKAMURA, Ryota KUROSAWA
Filed: 23 Dec 20
Utility
Method Implemented by User Equipment to Access Satellite Network
16 Nov 23
A method implemented by a user equipment to access a satellite network, at least one satellite of the satellite network being in movement relatively to Earth, the satellite network deploying radiofrequency satellite beams, wherein the user equipment: receives through at least a first satellite beam data of assistance information regarding at least current and future satellite beams of the network, interprets the data of assistance information to anticipate: connection conditions through the first satellite beam, and connection conditions through at least one second satellite beam, different from the first satellite beam, decides the access to the satellite network through a satellite beam among the first satellite beam and the second satellite beam, selected on the basis of at least the connection conditions through the first and second satellite beams, and implements a RACH procedure through the selected satellite beam.
Cristina CIOCHINA, Nicolas GRESSET
Filed: 1 Oct 21
Utility
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14 Nov 23
A railroad system includes a plurality of trains and an operation management device.
Maho Fujihara, Daisuke Tateishi, Hideo Nakata, Shota Shimayoshi, Atsushi Takami, Kenji Ueda
Filed: 4 Nov 20
Utility
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14 Nov 23
Provided is a heat storage material, consisting of a thermo-sensitive polymer gel formed of a thermo-sensitive polymer and a solvent selected from the group consisting of water, an organic solvent, and a mixture thereof, wherein the hydrophilicity and hydrophobicity of the heat storage material reversibly change to each other across the lower critical solution temperature thereof, and in the process of the change, the solvent in the thermo-sensitive polymer gel maintains a liquid state.
Hideharu Nobutoki
Filed: 26 Mar 19
Utility
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14 Nov 23
An air-conditioning device includes: a heat medium cycle circuit including: a pump, a plurality of indoor heat exchangers, and a plurality of flow control devices configured to control a flow rate of the heat medium through the heat medium cycle circuit; a heat-source-side device configured to heat or cool the heat medium; and a controller that includes a determination processing unit to determine whether the heat medium is caused to pass through the plurality of indoor heat exchangers where heat exchange is stopped, a selection processing unit to select, based on a determination from the determination processing unit, an indoor heat exchanger through which the heat medium is caused to pass from the plurality of indoor heat exchangers where heat exchange is stopped, and an instruction processing unit to instruct a release of a flow control device that corresponds to the indoor heat exchanger selected.
Kimitaka Kadowaki, Naofumi Takenaka
Filed: 26 Sep 18
Utility
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14 Nov 23
A management apparatus periodically transmits information for setting a first voltage range and a second voltage range smaller than the first voltage range to a distribution power supply apparatus.
Hiroki Ishihara, Miwako Tanaka
Filed: 10 Dec 18
Utility
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14 Nov 23
An electric motor includes a rotor, a stator assembly, and a plurality of heat dissipation members fixed to the stator assembly and to release heat of the stator assembly.
Hiroki Aso, Takaya Shimokawa, Ryogo Takahashi, Takanori Watanabe, Kazuma Nomoto
Filed: 20 Jan 17
Utility
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14 Nov 23
Provided is a power conversion device that can suppress interference between control of input current from an AC power supply and voltage control for a DC capacitor to perform both the controls with high accuracy, and can reduce the capacitance and size of the DC capacitor.
Hajime Toyoda, Takaaki Takahara
Filed: 13 Dec 18
Utility
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14 Nov 23
An orientation direction control device includes: an orientation direction control information acquisition unit to acquire orientation direction control information for controlling an orientation direction in which a first optical communication terminal as a first transmission/reception device transmits and receives light; and a capture and tracking control unit as an orientation direction control unit to control an orientation direction in which a second optical communication terminal as a second transmission/reception device transmits and receives the light or a radio wave on the basis of the orientation direction control information acquired by the orientation direction control information acquisition unit.
Yuta Takemoto, Toshiyuki Ando
Filed: 9 Jun 22
Utility
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14 Nov 23
An induction heating cooking apparatus includes a plurality of heating coils aligned in at least one row on a flat surface, a plurality of inverter circuits each configured to supply a high-frequency current to the corresponding one of the plurality of heating coils, and a controller configured to control driving of the plurality of inverter circuits.
Hayato Yoshino, Jun Bunya, Takeshi Iida, Ikuro Suga
Filed: 23 Feb 18
Utility
6v556w2lne2t0hro88xgcx2rmu7omfisjke5msyxf26gy6
14 Nov 23
A printed wiring board includes an electrode pad to be soldered to an electrode of an electronic component, an electrode pad to be soldered to an electrode of the electronic component, a barrier conductor continuous with the electrode pad, and a barrier conductor continuous with the electrode pad, the barrier conductor and the barrier conductors are located at positions facing each other with a gap area therebetween, the barrier conductor and the electrode pads are positioned such that the electrode pad faces the gap area with the barrier conductor therebetween and that the electrode pad faces the gap area with the barrier conductor therebetween, and the gap area is an area in which an adhesive is placed when adhering the electronic component.
Koji Shigeta, Masato Morita, Hironobu Fukushima, Masahiro Koyama, Naoki Matsumoto
Filed: 25 Mar 19
Utility
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14 Nov 23
A cooling device includes a heat-receiving block, a heat conductor, and first heat pipes.
Takahiro Masuyama, Hirokazu Takabayashi
Filed: 22 Feb 19
Utility
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9 Nov 23
A camera movement amount acquisition unit (101) acquires as a camera movement amount (110), an estimated movement amount of a vehicle (10) calculated using photographed image data acquired by, a camera (20) installed on the vehicle (10).
Takefumi HASEGAWA, Yohei OKATO, Takeshi OISHI, Ryoichi ISHIKAWA
Filed: 13 Jul 23
Utility
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9 Nov 23
In a wrong-way driving determination apparatus, a road information generation unit generates, based on surroundings information acquired by a surroundings monitoring sensor of a subject vehicle, road information including information on a location and a proper direction of travel of each lane of a road on which the subject vehicle is traveling.
Takumi KASHIHARA, Kosei UCHINO
Filed: 10 Dec 20
Utility
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9 Nov 23
A waveguide-microstrip line converter includes a waveguide having an open end, a dielectric substrate having a first surface facing the open end and a second surface facing the opposite direction to the first surface, a ground conductor provided on the first surface and connected to the open end, the ground conductor being provided with a slot in a region enclosed by the end face of the open end, and a line conductor provided on the second surface.
Takashi MARUYAMA, Shigeo UDAGAWA, Mitsuru KIRITA
Filed: 1 Oct 20
Utility
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9 Nov 23
A method for calibrating a phased array antenna is provided.
Takashi MARUYAMA, Shigeo UDAGAWA, Mitsuru KIRITA, Tai TANAKA, Ryotaro OHASHI
Filed: 30 Sep 20
Utility
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9 Nov 23
An optical semiconductor device according to the present disclosure includes a semiconductor substrate, at least one semiconductor laser provided on the semiconductor substrate, an optical multiplexer/demultiplexer circuit provided on the semiconductor substrate, multiplexing or demultiplexing first output light of the semiconductor laser and outputting second output light and third output light, a first waveguide portion provided on the semiconductor substrate, and outputting the second output light from an end face of the semiconductor substrate, and a second waveguide portion including an optical amplifier amplifying the third output light and a reflecting portion and provided on the semiconductor substrate, wherein the reflecting portion includes a diffraction grating that reflects the third output light amplified by the optical amplifier to feed back to the semiconductor laser via the optical amplifier and the optical multiplexer/demultiplexer circuit, and the semiconductor laser and the reflecting portion form a resonator.
Ryosuke NAGAO, Keita MOCHIZUKI, Takashi NAGIRA
Filed: 24 Nov 20
Utility
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9 Nov 23
A two-dimensional photonic-crystal laser includes: a substrate made of an n-type semiconductor; a p-type cladding layer on an upper side of the substrate made of a p-type semiconductor; an active layer on an upper side of the cladding layer; a two-dimensional photonic-crystal layer on an upper side of the active layer including a plate-shaped base body made of an n-type semiconductor wherein modified refractive index areas whose refractive index differs from the base body are arranged; a first tunnel layer between the substrate and cladding layer made of an n-type semiconductor having a carrier density higher than the substrate's; a second tunnel layer between the first tunnel and cladding layers, made of a p-type semiconductor having a carrier density higher than the p-type semiconductor layer's; a first electrode on a lower side of or in the substrate; and a second electrode on an upper side of the two-dimensional photonic-crystal layer.
Susumu NODA, Menaka DE ZOYSA, Kenji ISHIZAKI, Wataru KUNISHI, Kentaro ENOKI
Filed: 17 Mar 21
Utility
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9 Nov 23
A semiconductor laser device of the present disclosure includes: a first-conductivity-type cladding layer, a first-conductivity-type-side optical guide layer, an active layer, a second-conductivity-type-side optical guide layer, a second-conductivity-type cladding layer, and a second-conductivity-type contact layer laminated above a semiconductor substrate; a resonator having a front end surface and a rear end surface; and a ridge region for guiding a laser beam between the front and rear end surfaces.
Kimio SHIGIHARA
Filed: 8 Jan 21
Utility
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9 Nov 23
For connected-in-parallel N DC-DC converters (1 to N, where N is 3 or more), a first converter group on which PWM switching is performed with a first carrier, and a second converter group on which PWM switching is performed with a second carrier having a phase different from that of the first carrier, are provided.
Kenji FUJIWARA, Akihiko IWATA, Hisatoshi FUKUMOTO
Filed: 28 Jan 20