10900 patents
Page 15 of 545
Utility
Communication System
30 Nov 23
A PDSCH of a legacy UE is mapped to physical resources per subframe, whereas a PDSCH of an LR-UE is mapped, per physical resource block (PRB) included in the subframe, to a region of the physical resources to which the PDSCH of the legacy UE is mapped.
Mitsuru MOCHIZUKI, Noriyuki FUKUI
Filed: 9 Aug 23
Design
Ceiling lighting equipment for elevator
28 Nov 23
Toshihisa Ogura, Masaaki Hoshi
Filed: 27 Oct 20
Utility
Multi-wire electric discharge machine
28 Nov 23
A multi-wire electric discharge machine includes: a plurality of cutting wire sections arranged in parallel in such a way as to face a workpiece, a wire electrode being wound around guide rollers to form the cutting wire sections; a drive unit that adjusts relative distances between the workpiece and the cutting wire sections; a machining power supply that applies pulse voltages between the workpiece and the cutting wire sections; a machining-state detection device that detects machining states in the cutting wire sections; and a machining control device that controls the drive unit and the machining power supply, in which when values indicating the machining states exceed a threshold value, the machining control device outputs, to the machining power supply, commands to apply the pulse voltages according to a machining condition for avoiding breakage of the wire electrode.
Atsushi Itokazu
Filed: 12 Apr 21
Utility
Machine tool machining dimensions prediction device, machine tool equipment abnormality determination device, machine tool machining dimensions prediction system, and machine tool machining dimensions prediction method
28 Nov 23
A machine tool machining dimensions prediction device (100) includes: a data collector (10) to acquire driving state information of a machine tool; a feature amount extractor (211) to extract a feature amount from the driving state information; a data analyzer (311) to analyze the extracted feature amount; and a machining quality prediction model generator (312) to generate, from the analyzed information, a prediction model of a machining dimension of a workpiece.
Noriyasu Fukatsu, Tetsushi Ishida, Kiyofumi Takeuchi, Osamu Nasu, Yoshiyuki Hattori, Mariko Nishino
Filed: 15 Jun 18
Utility
Moving handrail and method of manufacturing moving handrail
28 Nov 23
Provided is a moving handrail that can lengthen its lifetime.
Ryuma Nakamura, Yoshitomo Nishimura, Hidetoshi Takeyama, Masashi Hara, Samito Nozue
Filed: 4 Mar 20
Utility
Heat exchanger and method of manufacturing thereof, and refrigeration cycle apparatus
28 Nov 23
There are provided a heat exchanger having a flat tube and a fin bonded together, without causing melting of a coating material covering the fin, and a method of manufacturing thereof.
Daisuke Ito
Filed: 30 Sep 22
Utility
Air-conditioning apparatus
28 Nov 23
The indoor unit has an air passage formed therein to allow the indoor air drawn in the indoor unit to pass therethrough.
Shinichi Ito, Masaki Toyoshima
Filed: 24 Apr 19
Utility
Motor driving device and refrigeration cycle apparatus
28 Nov 23
A motor driving device that drives a motor and is capable of switching a connection state of stator windings of the motor, includes: relays to switch the connection state of the stator windings by switching positions of contact plates; and a contact control unit to control each of the positions of the contact plates by outputting, to the relays, signals for actuating the contact plates.
Keiichiro Shizu, Masaki Muramatsu
Filed: 25 Feb 19
Utility
Angle detection apparatus
28 Nov 23
Even using the redundant system resolver in which the magnetic interference between systems occurs, to provide an angle detection apparatus which can reduces the influence of the magnetic interference and can calculate the rotational angle with good accuracy, without performing synchronous control between systems in real time.
Tatsuya Mori, Toshihiro Matsunaga, Hiroko Ikeda, Seiji Sawada, Kenta Kubo, Kenji Ikeda
Filed: 25 Jan 19
Utility
Motor control device and belt tension state detection device
28 Nov 23
A motor control device is capable of detecting, through use of a small-sized or simple device, a state of belt tension in a belt transmitting torque of an electric motor in a motor system.
Hiroyuki Sekiguchi, Naoto Takano
Filed: 9 Oct 19
Utility
Electrical characteristic inspection device for semiconductor device and electrical characteristic inspection method for semiconductor device
28 Nov 23
An object is to provide a technique capable of creating a precise measurement condition in a facilitated manner relating to an electrical characteristic inspection for a semiconductor device.
Sumito Ogata, Yasushi Hisaoka, Takaya Noguchi
Filed: 12 Oct 21
Utility
Illumination device
28 Nov 23
An illumination device that simulates the sky, includes a light source that emits first light; a light-emitting part that allows the first light to enter, guides the entered first light by means of total reflection while scattering the first light, and emits the scattered light from a light emission surface; a back surface reflective part that is provided to face a back surface as a surface of the light-emitting part on a side opposite to the light emission surface and reflects light emitted from the back surface of the light-emitting part; a frame that includes a part situated at least in front of the light emission surface of the light-emitting part; and an optical member that is provided between the light emission surface of the light-emitting part and the part of the frame and reflects a part of the light emitted from the light emission surface of the light-emitting part.
Haruka Yamazaki, Satoru Okagaki, Yusuke Fujii
Filed: 27 Aug 19
Utility
Semiconductor device, power conversion device, and method for manufacturing semiconductor device
28 Nov 23
A semiconductor device includes a base plate, a substrate, a semiconductor element, a case, and a wiring terminal.
Yuji Sato, Yoshinori Yokoyama, Motoru Yoshida, Jun Fujita
Filed: 4 Jul 19
Utility
Semiconductor device
28 Nov 23
A semiconductor device according to the present disclosure is an RC-IGBT in which an IGBT region 10 and a diode region 20 are provided adjacent to each other.
Kazuki Kudo, Hidenori Fujii, Tetsuo Takahashi
Filed: 12 Apr 21
Utility
Rotor, motor, compressor, and air conditioner
28 Nov 23
A rotor core has first and second core parts in an axial direction.
Atsushi Ishikawa
Filed: 10 May 18
Utility
Rotating electric machine and rotor therefor
28 Nov 23
In a rotor for a rotating electric machine, a key portion, a first stress relaxation groove, a second stress relaxation groove, and a protruding portion are provided at an inner periphery of a rotor core.
Takaaki Nagashima
Filed: 18 Mar 22
Utility
Motor control device including a shield plate, and electric power steering control device
28 Nov 23
Provided are a motor control device including: a motor case including a motor; a housing, which is provided to have a power supply connector mounted thereon and cover an upper portion of the motor case; and a control unit, which is arranged on a side opposite to an output side on an output shaft of the motor in a space formed by the motor case and the housing, and an electric power steering control device.
Takanori Ichikawa, Kazuhisa Takashima, Kentaro Urimoto
Filed: 12 Sep 16
Utility
Stator, electric motor, compressor, and air conditioner
28 Nov 23
A stator includes a stator core and a coil wound around the stator core.
Emi Tsukamoto, Koji Yabe
Filed: 1 Jun 18
Utility
Linear motor system
28 Nov 23
A linear motor system includes: a mover including permanent magnets arranged in a traveling direction in a plane parallel to a plane formed by the traveling direction and a vertical direction; and a stator including an armature including an iron core in which projections around which windings are wound are arranged in the traveling direction, the armature being disposed to face the permanent magnets of the mover.
Fumihiko Nakagome, Masaoki Iwase, Kazuhiko Fukushima, Hiroshi Wakayama, Takahiko Murakami
Filed: 27 Aug 19
Utility
Power supply, motor driver, blower, compressor, and air conditioner
28 Nov 23
A power supply includes: a converter circuit including boost circuits, the converter circuit boosting a voltage output from a power source; a current detector that detects a first current flowing between the power source and the converter circuit; current detectors that each detect a second current, the second current being a sum current of currents flowing in switching elements of the boost circuits; and overcurrent determiners that determine whether the second currents are overcurrent on the basis of detection values of the second currents.
Satoru Ichiki, Yuya Kondo, Koichi Arisawa, Kenji Iwazaki
Filed: 25 Feb 19