Patents by Inventor Hideyuki Hara

Hideyuki Hara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11377137
    Abstract: The device has motor housing side annular engagement portion 40 formed at outer circumferential surface of end surface portion of motor housing 11 which is opposite side to output shaft portion of rotation shaft of electric motor; and metal cover side annular engagement portion 38 formed at opening end 37 of metal cover 12 that covers electronic control unit and engaged with motor housing side annular engagement portion 40. Fixing region is formed by fixing metal cover side annular engagement portion 38 to motor housing side annular engagement portion 40 in a fixing manner without using any fixing screw in a state in which metal cover side annular engagement portion 38 is engaged with motor housing side annular engagement portion 40. Sealing region is formed between fixing region and opening end 37 of the metal cover 12 with liquid sealant 41 applied between fixing region and opening end 37.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: July 5, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Hideyuki Hara, Haruaki Motoda, Kazuhiko Nakano, Katsumasa Hagiwara, Tetsuro Tateyama
  • Patent number: 11360580
    Abstract: A controller of an in-cell type liquid crystal display device is provided. The controller controls first and second electrodes that intersect each other, supplies a pixel driving voltage to the first electrodes during a pixel driving period, and detects a stylus position using the first and second electrodes during a stylus detection period different from the pixel driving period. The controller transmits, using the second electrodes, a command requesting a transmission of a downlink signal to the stylus. The controller detects, using the first and second electrodes, the downlink signal transmitted from the stylus in response to the command, and detects the stylus position based on the detected downlink signal.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: June 14, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Hideyuki Hara, Sadao Yamamoto, Shunya Saito
  • Publication number: 20220176984
    Abstract: A detection device 1 is provided with: a detection unit 121 which detects an object present around a vehicle V; a specification unit 122 which specifies a detection continuation time period in which the detection unit 121 has continuously detected the object; and an information output unit 123 which, on the condition that the detection continuation time period specified by the specification unit 122 has exceeded a determination time period for determining whether or not the object is a detection target object, outputs presence information indicating detection of the target object by the detection unit 121.
    Type: Application
    Filed: March 23, 2020
    Publication date: June 9, 2022
    Inventors: Hideyuki HARA, Nobuhiro HAYASHIDA
  • Patent number: 11347346
    Abstract: A method in which a sensor controller is connected to a sensor having an electrode group provided together with a display panel configured to operate in during a variable refresh cycle among a plurality of refresh cycles, and an active stylus performs bidirectional communication with the sensor controller. According to the method, the sensor controller acquires a present refresh cycle among the plurality of refresh cycles of the display panel, generates an uplink signal, which serves as a reference for synchronization corresponding to the acquired present refresh cycle, and transmits the uplink signal to the active stylus, which is not detected as yet or is detected already, at the present refresh cycle.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: May 31, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Takeshi Koike, Hideyuki Hara
  • Patent number: 11327580
    Abstract: An electronic pen includes a conductive core-side member, a power supply circuit, a signal transmission circuit, an input reception circuit, and a control circuit. The signal transmission circuit receives a power supply voltage from the power supply circuit, generates a first signal and a second signal each having a different waveform, and selectively supplies either the first signal or the second signal to the core-side member. The input reception circuit which receives a designation input designating either the first signal or the second signal to be supplied from the signal transmission circuit to the core-side member. The control circuit controls the signal transmission circuit to supply either the first signal or the second signal to the core-side member according to the designation input received by the input reception circuit.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: May 10, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Yasuo Oda, Hideyuki Hara
  • Publication number: 20220113825
    Abstract: A position detection device includes a position detection sensor and signal processing circuitry. The position detection sensor has first loop electrodes arranged in a first direction and second loop electrodes arranged in a second direction perpendicular to the first direction. The signal processing circuitry switches the position detection sensor between a first state in which the first loop electrodes and the second loop electrodes are coupled as coils to a first pointer through electromagnetic inductive coupling, and a second state in which the first and second loop electrodes are coupled to a second pointer through capacitive coupling with opposite ends of each of the first loop electrodes and the second loop electrodes connected together or with one end of each of the first loop electrodes and the second loop electrodes left open.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Yuji Katsurahira, Hideyuki Hara
  • Publication number: 20220083169
    Abstract: An active stylus is provided, which can reduce battery power consumption and reduce the time required for its signal transmission. A position detection device includes a tablet and the stylus having a built-in power source, which are capable of bi-directional transmission and reception of signals through capacitive coupling therebetween. The tablet is configured to transmit a trigger signal US_trg and then transmit a command signal US_cmd to the stylus. The trigger signal US_trg causes the stylus to start its command information receiver to receive the command signal US_cmd including information for controlling the stylus.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 17, 2022
    Inventors: Yuji Katsurahira, Hideyuki Hara
  • Publication number: 20220075495
    Abstract: A method of palm rejection is executed by a sensor controller that is connected to a plurality of sensor electrodes and that detects a downlink signal transmitted from an active pen. The method includes determining whether or not a phase of the detected downlink signal matches a phase shared in advance between the sensor controller and the active pen, and outputting, when it is determined that the phases match, a position of the active pen derived on the basis of a distribution of levels of the downlink signal in the plurality of sensor electrodes.
    Type: Application
    Filed: July 29, 2021
    Publication date: March 10, 2022
    Inventors: Masayuki MIYAMOTO, Hideyuki HARA
  • Patent number: 11262875
    Abstract: An active stylus is provided, which can reduce battery power consumption and reduce the time required for its signal transmission. A position detection device includes a tablet and the stylus having a built-in power source, which are capable of bi-directional transmission and reception of signals through capacitive coupling therebetween. The tablet is configured to transmit a trigger signal US_trg and then transmit a command signal US_cmd to the stylus. The trigger signal US_trg causes the stylus to start its command information receiver to receive the command signal US_cmd including information for controlling the stylus.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: March 1, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Yuji Katsurahira, Hideyuki Hara
  • Patent number: 11249610
    Abstract: A position detection device includes a sensor having first electrodes arranged in a first direction, and second electrodes arranged in a second direction, and signal processing circuitry configured to detect a position indicated by each of a first pointer and a second pointer on the sensor. Each of the first and second electrodes is formed as a loop electrode. Selection circuitry of the signal processing circuitry is configured to select the first and second electrodes such that an electric current is induced in each of the first and second electrodes to enable a position indicated by the first pointer on the sensor to be detected through electromagnetic induction, and select the first and second electrodes such that an electric current is not induced in each of the first and second electrodes to enable a position indicated by the second pointer on the sensor to be detected through capacitive coupling.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: February 15, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Yuji Katsurahira, Hideyuki Hara
  • Patent number: 11237651
    Abstract: A method in a system including an active stylus and a display controller that detects the active stylus and that drives a display device. The method includes: driving the display device to display first pixel data during a first display period in a first time period, wherein the driving is started a first amount of time and ended a second amount of time after the beginning of the first time period; and driving the display device to display second pixel data during a second display period in a second time period, wherein the driving is started a third amount of time and ended a fourth amount of time after the beginning of the second time period. The first and second display periods have a same time length. The first amount of time is different from the third amount of time, and the second amount of time is different from the fourth amount of time.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 1, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Haruhiko Hisano, Hideyuki Hara
  • Publication number: 20220026997
    Abstract: A processor of a stylus according to the present disclosure detects a first signal supplied to a sensor electrode group in each frame. The processor determines whether the first signal represents a setting instruction of a local ID, and writes a value of the local ID specified by the setting instruction in a memory if the first signal is determined to represent the setting instruction. The processor repeatedly detects a second signal supplied to the sensor electrode group in each of one or more slots included in the frame. The processor compares values of a local ID included in the detected second signal and the local ID stored in the memory every time the processor detects the second signal, and transmits a first downlink signal to a sensor controller using an electrode if the values correspond with each other.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Inventors: Sadao Yamamoto, Masayuki Miyamoto, Hideyuki Hara
  • Publication number: 20220011882
    Abstract: An active stylus includes at least one electrode, and an integrated circuit coupled to the at least one electrode. The integrated circuit is configured to: operate in a first mode to unilaterally transmit signals to a sensor controller from one of the at least one electrode; determine whether a pen tip of the active stylus is in contact with a sensor panel; responsive to determining that the pen tip is in contact with the sensor panel, transmit a pen pressure value of the pen tip; and responsive to determining that the pen tip is not in contact with the sensor panel, instead of transmitting the pen pressure value, detect an uplink signal transmitted from the sensor panel.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Hideyuki Hara, Nobutaka Ide, Yasuo Oda
  • Publication number: 20220011881
    Abstract: A method to be performed by a sensor controller that periodically transmits an uplink signal, and by a stylus that, upon receiving the uplink signal, determines a transmission and reception schedule for a downlink signal and the uplink signal on the basis of the reception timing of the uplink signal. The method includes executing, by the stylus, an uplink signal receiving operation for a first predetermined period of time according to the transmission and reception schedule. The method includes, responsive to the uplink signal not received through the receiving operation and expiration of the first predetermined period of time, continuing, by the stylus, the uplink signal receiving operation for a second predetermined period of time, instead of transmitting the downlink signal according to the transmission and reception schedule.
    Type: Application
    Filed: May 18, 2021
    Publication date: January 13, 2022
    Inventors: Masayuki MIYAMOTO, Haruhiko HISANO, Sadao YAMAMOTO, Hideyuki HARA, Yoshifumi KONDA
  • Publication number: 20220013003
    Abstract: A sensor controller includes a transmitter configured to transmit an uplink signal including a first partial signal and a second partial signal. The transmitter is configured to transmit the first partial signal by direct spreading using a first spread code and transmit the second partial signal by direct spreading using a second spread code which is different from the first spread code and which has an identical chip time length to the first spread code. An active stylus includes a receiver configured to receive an uplink signal including a first partial signal and a second partial signal. The receiver is configured to synchronize with the uplink signal by detecting the first partial signal using a first spread code and thereafter detect the second partial signal using a second spread code, which is different from the first spread code and has an identical chip time length to the first spread code.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Sadao Yamamoto, Hideyuki Hara
  • Publication number: 20220004301
    Abstract: A signal transmission method is provided, which may be implemented by a position indicator. The signal transmission method includes a step of dividing first information, which is represented in a digital signal of a first defined number of bits, into a plurality of information parts respectively represented in digital signals of a second defined number of bits smaller than the first defined number of bits. The signal transmission method includes a step of transmitting, from the position indicator to a position detecting device, the information parts, and distinguishing information usable for distinguishing the information parts from each other, wherein each of the information parts is transmitted with second information different from the first information.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Inventor: Hideyuki Hara
  • Publication number: 20210389833
    Abstract: Provided are a pen state detection circuit, a pen state detection system, and a pen state detection method that can improve estimation accuracy for a pen state in an electronic pen including at least one electrode. A pen state detection circuit acquires, from a touch sensor, a first signal distribution indicating a change in capacitance associated with approach of a first electrode and uses a machine learning estimator to estimate an instruction position or an inclination angle of an electronic pen from first feature values related to the first signal distribution. The first feature values include first local feature values related to a first local distribution corresponding to sensor electrodes in a number fewer than the number of arranged sensor electrodes exhibiting the first signal distribution.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 16, 2021
    Inventors: Koichi MAEYAMA, Hideyuki HARA
  • Publication number: 20210323600
    Abstract: On the opposite side to an output of a rotation shaft of an electric motor, a ventilation hole communicating between an electronic control unit (ECU) housing space and an electric motor housing space is formed to an end surface wall of a motor housing separating the respective housing spaces. The ventilation hole has a waterproof ventilation part that suppresses water passing but permits the passage of air and water vapor. This structure eliminated the influence of flying rocks and muddy water from the external environment, and suppresses for a long period of time the internal pressure fluctuation of the ECU housing space and the penetration of water into the housing space. Therefore, the internal pressure fluctuation of the housing space for the ECU and the penetration of water into the housing space for the ECU can be suppressed over a long period of time.
    Type: Application
    Filed: June 12, 2019
    Publication date: October 21, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Kazuhiko NAKANO, Takuro KANAZAWA, Hideyuki HARA
  • Patent number: 11150761
    Abstract: A position indicator includes a housing and circuitry. The circuitry transmits a plurality of signal blocks successively to a position detecting device. Each of the signal blocks includes a position detection signal, a first modulated signal acquired by modulating one part of a plurality of divided parts of position indicator identification information, and a second modulated signal acquired by modulating current position indicator status information acquired successively from a signal supplied to a control terminal or from a voltage state of the control terminal. The position indicator transmits the plurality of divided parts of position indicator identification information by transmitting the plurality of signal blocks.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: October 19, 2021
    Assignee: Wacom Co., Ltd.
    Inventor: Hideyuki Hara
  • Patent number: 11137842
    Abstract: A processor of a stylus according to the present disclosure detects a first signal supplied to a sensor electrode group in each frame. The processor determines whether the first signal represents a setting instruction of a local ID, and writes a value of the local ID specified by the setting instruction in a memory if the first signal is determined to represent the setting instruction. The processor repeatedly detects a second signal supplied to the sensor electrode group in each of one or more slots included in the frame. The processor compares values of a local ID included in the detected second signal and the local ID stored in the memory every time the processor detects the second signal, and transmits a first downlink signal to a sensor controller using an electrode if the values correspond with each other.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: October 5, 2021
    Assignee: Wacom Co., Ltd.
    Inventors: Sadao Yamamoto, Masayuki Miyamoto, Hideyuki Hara