641 patents
Page 27 of 33
Utility
Door Handle Device
12 May 22
A door handle device provided on a door handle includes: a sensor electrode configured to detect locking and unlocking operations for locking and unlocking a lock of a door according to proximity of a user; a sensor IC configured to control the detection by the sensor electrode; an antenna configured to receive a radio wave propagated from a user terminal and containing an authentication key, and to transmit the radio wave to be propagated toward a periphery; a voltage induction coil configured to generate an induced electromotive force according to the radio wave; a detection unit configured to detect the induced electromotive force generated in the voltage induction coil; and an antenna driving determination unit configured to determine whether the radio wave has been transmitted to and received from the terminal via the antenna based on the induced electromotive force.
Takaaki KOIZUMI
Filed: 19 Oct 21
Utility
Shift-by-wire System
12 May 22
A shift-by-wire system configured to switch shift positions includes a detent plate, a detent spring, a rotating electrical machine, a gear device, and an electronic control unit.
Kazuaki ISHIURA, Takeshi KITAHATA, Hiroshi SHIBATA, Eiji ICHIOKA, Atsuto OGINO, Yutaka UCHIDA, Kota ISHIKAWA
Filed: 1 Nov 21
Utility
Shift Device
12 May 22
A shift device includes: a shift switching member including valley portions provided so as to correspond to shift positions; a positioning member causing the shift position to be established while being fitted in any of the valley portions of the shift switching member; a motor driving the shift switching member and including a rotor and a stator; a driving force transmission mechanism transmitting a driving force from the motor to the shift switching member; and a rotor rotation angle sensor and an output shaft rotation angle sensor detecting rotation angles of the rotor and the shift switching member.
Atsuto OGINO, Yutaka UCHIDA, Kota ISHIKAWA
Filed: 8 Nov 21
Utility
Biological Detection Device
12 May 22
A biological detection device including: a radio wave sensor including a transmission unit transmitting a transmission wave into a compartment and a reception unit receiving a reflected wave; a creation unit creating map information on the compartment based on the reflected wave; a specifying unit specifying a position and an intensity of a reflection source; an object detection unit detecting a motion of an object based on the reflected wave and outputting a detection result; a person detection unit detecting a person based on the map information and the detection result; a prediction unit generating ghost information by predicting information about a ghost corresponding to the person based on a position of the person and the position and the intensity of the reflection source; and a determination unit determining whether an object detected as the person is a ghost.
Takashi OTANI
Filed: 28 Oct 21
Utility
Sensor Module
12 May 22
A sensor module includes: a module side connection unit connected to a power source via a power source side connection unit; a control IC energized from the power source via the power source side connection unit and the module side connection unit and configured to control a sensor; a first power source line provided across the module side connection unit and the control IC; an increase instruction unit configured to issue an instruction to increase a current flowing through the power source side connection unit and the module side connection unit; and a current increase unit provided across the first power source line and a second power source line to which a potential lower than that of the first power source line is applied, and configured to increase the current in accordance with the instruction of the increase instruction unit.
Saya KOBAYASHI, Takaaki KOIZUMI
Filed: 28 Oct 21
Utility
Biological Detection Device
12 May 22
A biological detection device includes: a transmission unit transmitting a transmission wave into a compartment; a reception unit receiving a reflected wave; a creation unit creating three-dimensional map information on the compartment based on the reflected wave; a specifying unit specifying a position of a reflection source, which is an object having a reflection intensity equal to or greater than a predetermined value, in the three-dimensional map information when the vehicle where a person is seated is stopped; an object detection unit detecting a motion of an object in the compartment based on a Doppler shift of the reflected wave and outputting a detection result; and a person detection unit determining that there is no person at a position at which no person is detected in an immediately preceding detection cycle and which substantially matches the position of the reflection source.
Takashi OTANI
Filed: 28 Oct 21
Utility
Stator Assembling Method and Stator Assembling Apparatus
12 May 22
The stator assembling method includes: the step of disposing a guide to restrict circumferential movement of opening jigs inserted into slots; and the step of moving coils and the opening jigs together to a second side in a radial direction relative to a stator core while guiding the opening jigs such that circumferential movement of the opening jigs is restricted by the guide, thus inserting slot-housed portions into the slots.
Shingo HASHIMOTO, Hiroyuki TANAKA, Mitsuhiro IDE
Filed: 4 Jun 20
Utility
Rotating Electrical Machine Control System
12 May 22
A rotating electrical machine control system (100) whose control target is an alternating-current rotating electrical machine (80) including M coil sets (8) includes M inverters (50) each including a plurality of switching elements (5) and connected to a direct-current power supply (41) and one of the coil sets (8) to convert electric power between a direct current and alternating currents of N phases; M current sensors (6) each provided for each coil set (8) to detect an alternating current of each phase flowing through the coil set (8); and an inverter control device (30) that generates switching control signals (S) for controlling the plurality of switching elements (5).
Subrata SAHA, Shoji NAGATA
Filed: 26 Mar 20
Utility
Steel material for CVT sheave, CVT sheave, and method for manufacturing CVT sheave
10 May 22
Steel materials for continuously variable transmissions sheaves, and methods for manufacturing a continuously variable transmission sheaves, are provided.
Masashi Hattori, Kazumichi Tsukuda, Hiroyuki Nozaki, Daisuke Kasai, Takuya Watanabe, Tetsuya Ohashi, Shouji Toudou, Akira Shiga
Filed: 18 Jul 17
Utility
Object detection device
10 May 22
An object detection device includes: a transmission unit transmitting a first transmission wave; a reception unit receiving a first reception wave reflected by an object; a signal processing unit sampling a first processing target signal according to the first reception wave and acquiring a difference signal based on a difference between the first processing target signal for at least one sample at a certain detection timing, and the first processing target signal for a plurality of samples in at least one of first and second periods; a threshold setting unit setting a threshold as a comparison target with the value of the difference signal, based on variation in the values of the first processing target signal for the plurality of samples; and a detection unit detecting information about the object at the detection timing based on a comparison result between the value of the difference signal and the threshold.
Ippei Sugae
Filed: 18 Jun 20
Utility
Imaging control device for monitoring a vehicle occupant
10 May 22
An imaging control device includes: an exposure control portion configured to control an exposure length of an imaging unit, which is capturable an image of a region where an occupant is allowed to occupy in a vehicle cabin, to at least a first exposure period and a second exposure period longer than the first exposure period; an image acquisition portion configured to acquire first captured image data captured in the first exposure period and second captured image data captured in the second exposure period; and a processing unit configured to separately process the first captured image data and the second captured image data.
Kazuhito Kadomae
Filed: 11 Jun 20
Utility
Manufacturing Method and Manufacturing Device of Element
5 May 22
An element manufacturing method for a transmission belt of a continuously variable transmission having a thick wall portion and a thin wall portion formed by sequentially feeding a material having a strip shape with a uniform thickness to each press position and performing press working on the material at the press position.
Yasuhiro TAKEUCHI, Toru ASAMI, Kazuhisa MIYATA, Hirotaka HATA, Masayuki OKANO
Filed: 26 Mar 20
Utility
Manufacturing Method for Motor Core
5 May 22
A manufacturing method for a motor core in which a magnet is fixed in a magnet accommodating portion using synthetic resin material includes: a fixing step of fixing the a permanent magnet in the a magnet accommodating portion using a synthetic resin material, wherein the fixing step includes: an injection step of setting a temperature of the synthetic resin material to a first temperature and injecting, with an injection device having a container capable of maintaining the synthetic resin material in the softened state, the softened synthetic resin material into the magnet accommodating portion; and a curing step of raising the temperature of the synthetic resin material injected into the stacked body to a second temperature to cure the synthetic resin material, with the injection device being moved away from the stacked body.
Tomoko HIRAMATSU, Akinori HOSHINO
Filed: 26 Mar 20
Utility
Circuit board, designing method of circuit board, and semiconductor device
3 May 22
A circuit board is installed with a semiconductor module on an upper face and provided with connection terminals on a lower face.
Takanobu Naruse
Filed: 21 Sep 18
Utility
Vehicle driving apparatus
3 May 22
A vehicle driving apparatus including: a rotating electrical machine that acts as a source of driving force for a first wheel and a second wheel; a speed reduction device that reduces a speed of rotation of the rotating electrical machine; a differential gear device that distributes, to the first wheel and the second wheel, the driving force transmitted from the rotating electrical machine via the speed reduction device; a case that houses the rotating electrical machine, the speed reduction device, and the differential gear device; and an oil circulator.
Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi
Filed: 28 Sep 18
Utility
Continuously variable transmission and transmission belt
3 May 22
A continuously variable transmission includes a transmission belt including a plurality of elements each including a pair of pillar portions and a ring arranged between the pair of pillar portions of each of the plurality of elements, and a lubricant supply portion arranged on an inner side of the transmission belt in a radial direction.
Wataru Ishihara, Akira Ochi, Takayuki Miyake, Junichi Tokunaga
Filed: 14 May 18
Utility
Arrival determination system and arrival determination program
3 May 22
Arrival determination systems and programs determine whether a vehicle is at a standstill; and determine that the vehicle has arrived at a destination when the vehicle is determined to be at a standstill and a present location of the vehicle is on the inner side of a road that surrounds the destination.
Ayumu Suzuki
Filed: 24 Jan 20
Utility
Fuel Cell System
28 Apr 22
A fuel cell system includes a reformer, a fuel cell, a desulfurizer, a recirculation passage through which the reformer communicates with the desulfurizer such that a part of the anode gas generated in the reformer flows into the desulfurizer, and an orifice member provided on the recirculation passage.
Satoshi KATO, Takeshi KITAMURA, Tomomichi KANDA, Takamichi AOKI
Filed: 12 Oct 21
Utility
Valve opening-closing timing control apparatus
26 Apr 22
An Oldham coupling includes an engagement arm.
Hajime Sano, Hiroki Mukaide, Kenji Ikeda, Tomoharu Otake, Kenta Koide
Filed: 14 Jul 20
Utility
Current sensor
26 Apr 22
A current sensor includes at least two conductors and at least two magnetoelectric conversion units each having at least two magnetism detection elements for detecting magnetic flux density of magnetic flux input to detection surfaces facing the same direction, and outputting a signal according to a difference in magnetic flux density between orthogonal components orthogonal to the detection surface of magnetic flux input to the detection surface of the magnetism detection elements.
Nozomi Koizumi
Filed: 12 Mar 20