196 patents
Page 4 of 10
Utility
Electrical connector and electronic device
17 May 22
An electrical connector contains a first contact group arranged on a first contact plane, a second contact group arranged on a second contact plane and a ground plate located on a ground plane.
Takashi Kawasaki, Hiroyuki Sadohara, Taro Mizue
Filed: 2 Oct 20
Utility
Semiconductor apparatus for power supply control and output voltage variable power supply apparatus
10 May 22
A power supply control apparatus includes a voltage control transistor connected between a DC voltage input terminal and an output terminal; a control circuit controlling the voltage control transistor according to an output feedback voltage; and a first external terminal receiving an output control signal to control an output voltage.
Shinichiro Maki, Yoichi Takano, Katsuhiro Yokoyama
Filed: 1 Oct 20
Utility
Current source circuit
10 May 22
A discharge control circuit includes discharge elements, logic circuits, and at least one delay circuit.
Yuichi Ueda
Filed: 19 Feb 21
Utility
Semiconductor apparatus for power supply control and output voltage variable power supply apparatus
26 Apr 22
A power supply control apparatus includes a voltage control transistor connected between a DC voltage input terminal and an output terminal; a control circuit which controls the voltage control transistor according to an output feedback voltage; and a first external terminal receiving an output control signal to control an output voltage.
Shinichiro Maki, Yoichi Takano, Katsuhiro Yokoyama
Filed: 1 Oct 20
Utility
Antenna device
8 Mar 22
An antenna device installed in a vehicle includes a stacked dipole antenna unit.
Hiroki Yoshioka
Filed: 2 Jun 20
Utility
Ghost removal method and radar device
1 Mar 22
A ghost removal method includes steps of detecting, estimating and excluding.
Yuji Takada
Filed: 24 May 18
Utility
Secondary battery protection circuit, secondary battery protection apparatus and battery pack
1 Mar 22
A secondary battery protection circuit for protecting a secondary battery, including: a low-voltage detecting circuit configured to detect a voltage across the secondary battery that is lower than a second voltage for low voltage detection, the second voltage being set to be lower than a first voltage for overdischarge detection; and a switching circuit configured to cause a gate of a charge control NMOS transistor to be fixed at a potential at a high side power supply terminal, upon detecting, by the low-voltage detecting circuit, that the voltage across the secondary battery is lower than the second voltage for low voltage detection.
Takashi Takeda
Filed: 22 May 20
Utility
Detection system and detection method
15 Feb 22
A detection system 1 contains a sensing device 10 including a vibration unit 11 for applying vibration to the inspection target 100, the vibration unit 11 attached to the inspection target 100, a driving circuit 12 for supplying an electric signal to the vibration unit 11 for driving the vibration unit 11 and a sensor 13 for detecting vibration of the inspection target 100 caused by the vibration applied from the vibration unit 11; and a detection processing device 20 for receiving vibration information related to the vibration of the inspection target 100 detected by the sensor 13 from the sensing device 10 and detecting the state change of the inspection target 100 based on the vibration information.
Takahiko Irie, Shigenori Inamoto, Kenta Ueda
Filed: 29 Mar 18
Utility
Image projection apparatus and image projection method
8 Feb 22
An image projection apparatus includes a light irradiation device configured to irradiate a laser beam, an optical scan device configured to deflect the laser beam to make an optical scan, and project an image on a display region, an optical sensor arranged outside the display region, and including a first light receiving region and a second light receiving region that are arranged at different positions along a vertical scanning direction of the optical scan, and a deflection angle controller.
Yuji Kimura, Toyoki Tanaka, Motoi Komatsu
Filed: 10 Oct 18
Utility
Vibration actuator, wearable terminal, and incoming call notification function device
8 Feb 22
This actuator has a stationary body having either a coil or a magnet, a movable body having the other, that is, a magnet or a coil, and an elastic body that supports the movable body so as to be capable of moving with respect to the stationary body.
Yuki Takahashi, Kazutaka Sakaguchi, Yasutaka Kitamura, Shigenori Inamoto
Filed: 5 Jan 18
Utility
Optical scanning device
1 Feb 22
An optical scanning device includes a mirror that includes a mirror reflection surface, and torsion bars that support the corresponding sides of the mirror and cause the mirror to rotate.
Yuki Maruyama
Filed: 4 Dec 19
Utility
Motor driving circuit and motor driving device
1 Feb 22
A motor driving circuit includes a wiring pattern formed in a circuit board, which is configured such that electrical current flowing into a motor flows through the wiring pattern; and a current measurement circuit configured to measure an amount of electrical current flowing through the wiring pattern, based on an amount of voltage drop occurring in response to flowing of the electrical current.
Hitoshi Hagimori, Itsuki Nakano
Filed: 10 Sep 19
Utility
Connector and electronic device
18 Jan 22
A connector 1 includes a connector housing 11, a thin wire coaxial cable 17 for providing a coaxial connection between an external coaxial cable 2 and a circuit board provided in a separated housing and a shield member 12 which is provided in an inner space of the connector housing 11 and electrically connected to a shell 173 of the thin wire coaxial cable 17.
Shoichi Hisada, Akihito Sukegawa, Shinichi Tamura
Filed: 15 Sep 20
Utility
Antenna device
4 Jan 22
An antenna device includes an antenna unit that receives radio waves of a plurality of first frequency bands and outputs received signals, and a first band pass filter that transmits, out of the received signals that are output, received signals of at least two second frequency bands out of the first frequency bands.
Daiki Monma, Kozo Shimizu, Takahiro Oshima, Kazunari Saito
Filed: 28 Jan 20
Utility
Lens driving device, camera module, and camera-equipped device
28 Dec 21
This lens driving device comprises an autofocus (AF) driving unit and a shake correction driving unit, wherein a shake correction support member has a pair of power supply suspension wires and a pair of signal suspension wires.
Tomoyuki Murakami, Keiichi Sato
Filed: 29 Nov 16
Utility
Switching power supply device having secondary side synchronous rectification element and control circuit therefor
14 Dec 21
Disclosed is a switching power supply device including: a transformer for voltage conversion; a main switching element connected in series to a primary coil; a primary side control circuit that performs on/off control of the main switching element; a synchronous rectification MOS transistor connected in series to a secondary coil; and a secondary side control circuit that performs on/off control of the MOS transistor, wherein the secondary side control circuit includes: an off-timing detection circuit that compares a drain voltage of the MOS transistor with a predetermined threshold voltage, and detects a timing to turn off the MOS transistor; and a threshold voltage setting circuit that sets the threshold voltage, and the threshold voltage setting circuit sets the threshold voltage based on a conduction period of the secondary coil or a period obtained by adding the conduction period to a conduction period of the primary coil.
Minoru Kado, Takumi Hyugaji, Takeshi Sato
Filed: 19 Feb 20
Utility
Rechargeable battery protection circuit, rechargeable battery protection device, battery pack, and method of controlling rechargeable battery protection circuit
23 Nov 21
A rechargeable battery protection circuit protects a rechargeable battery, using two NMOS transistors inserted in series in a current path between a battery cathode and a positive terminal connected to load or power terminal of a charger.
Takashi Takeda
Filed: 28 Jun 19
Utility
Vibration actuator and electronic equipment
23 Nov 21
A vibration actuator includes a movable body provided with one of a coil and a magnet that is disposed radially inward of the coil with a gap formed therebetween, a fixing body provided with the other of the coil and the magnet and a shaft portion, and an elastic support portion, the movable body vibrating in a vibration direction by means of cooperation between the coil supplied with power and the magnet.
Yuki Takahashi, Chikara Sekiguchi, Yuta Yoshii, Daisuke Kodama, Shigenori Inamoto
Filed: 28 Feb 19
Utility
Light scanning apparatus and method for controlling light scanning apparatus
9 Nov 21
A light scanning apparatus includes a light source configured to output laser light, and a mirror configured to reflect the laser light from the light source.
Yuji Kimura
Filed: 5 Feb 20
Utility
Lens driving device, camera module, and camera mounting apparatus
9 Nov 21
A lens driving device includes: a fixing part; a movable part; and an actuator configured to displace the movable part in a direction orthogonal to the optical axis direction; in which the fixing part includes a coil substrate, a base member made of a non-conductive material, the base member including a base side through hole, and a terminal member made of a conductive material and partially embedded in the base member, the terminal member including a first connecting part serving as an external terminal and a second connecting part configured to be connected with the coil substrate, and in which in plan view in the optical axis direction, the second connecting part and the base side through hole are disposed to overlap each other, and the second connecting part and the coil substrate are connected by a solder provided inside the base side through hole.
Yukihiro Takimoto
Filed: 1 Oct 18