Patents by Inventor Hirokazu Miyamoto

Hirokazu Miyamoto 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).

  • Publication number: 20240134474
    Abstract: A display driver includes a driver circuit and a sensing controller. The driver circuit is configured to drive a display panel according to display information. The display panel defines a sensing region. The sensing controller interface circuit is configured to transmit an output vertical sync signal to a proximity sensing controller. The proximity sensing controller is configured to generate positional information of an input object based at least in part on a resulting signal received from a sensor electrode disposed in the sensing region. The output vertical sync signal comprises encoding the display information in the output vertical sync signal.
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Inventors: Makoto Takeuchi, Hirokazu Hatayama, Masaaki Shiomura, Nobukazu Tanaka, Daisuke Ito, Takayuki Noto, Takashi Miyamoto
  • Patent number: 8258782
    Abstract: An angle detecting apparatus includes a rotor fixed to a rotating shaft, a pair of magnetic sensors arranged close to the outer periphery of the rotor so as to have a difference in angle (?/2) with respect to the center of rotation of the rotor, a differential operational circuit performing differential operation on detection signals output by the magnetic sensors to output a differential signal, and the angle calculating circuit calculating the angle of rotation of the rotating shaft based on the differential signal. The planar shape of the rotor is such that the sum of the distances between the center of rotation and the respective two points where two straight lines crossing at the center of rotation at a crossing angle of (?/2) cross the outer periphery of the rotor is constant, and the planar shape is symmetric with respect to a straight line passing through the center of rotation.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: September 4, 2012
    Assignee: TDK Corporation
    Inventors: Yoshio Kaita, Hirokazu Miyamoto, Toshinao Kido, Junya Fukuda
  • Patent number: 8106649
    Abstract: An angle detecting apparatus includes a rotor fixed to a rotating shaft, a pair of magnetic sensors arranged opposite each other so as to output a first detection signal and a second detection signal, respectively, each of which contains information on the angle of rotation of the rotor, a differential operational circuit performing differential operation on the first detection signal and the second detection signal, and an angle calculating circuit calculating the angle of rotation of the rotating shaft based on the result of the differential operation by the differential operational circuit. Here, the distance between two points where a straight line passing through the center of rotation of the rotor crosses the outer periphery of the rotor is constant.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: January 31, 2012
    Assignee: TDK Corporation
    Inventors: Yoshio Kaita, Hirokazu Miyamoto, Toshinao Kido
  • Publication number: 20100026282
    Abstract: An angle detecting apparatus includes a rotor fixed to a rotating shaft, a pair of magnetic sensors arranged close to the outer periphery of the rotor so as to have a difference in angle (?/2) with respect to the center of rotation of the rotor, a differential operational circuit performing differential operation on detection signals output by the magnetic sensors to output a differential signal, and the angle calculating circuit calculating the angle of rotation of the rotating shaft based on the differential signal. The planar shape of the rotor is such that the sum of the distances between the center of rotation and the respective two points where two straight lines crossing at the center of rotation at a crossing angle of (?/2) cross the outer periphery of the rotor is constant, and the planar shape is symmetric with respect to a straight line passing through the center of rotation.
    Type: Application
    Filed: July 27, 2009
    Publication date: February 4, 2010
    Applicant: TDK CORPORATION
    Inventors: Yoshio Kaita, Hirokazu Miyamoto, Toshinao Kido, Junya Fukuda
  • Publication number: 20100007340
    Abstract: An angle detecting apparatus includes a rotor fixed to a rotating shaft, a pair of magnetic sensors arranged opposite each other so as to output a first detection signal and a second detection signal, respectively, each of which contains information on the angle of rotation of the rotor, a differential operational circuit performing differential operation on the first detection signal and the second detection signal, and an angle calculating circuit calculating the angle of rotation of the rotating shaft based on the result of the differential operation by the differential operational circuit. Here, the distance between two points where a straight line passing through the center of rotation of the rotor crosses the outer periphery of the rotor is constant.
    Type: Application
    Filed: July 10, 2009
    Publication date: January 14, 2010
    Applicant: TDK CORPORATION
    Inventors: Yoshio Kaita, Hirokazu Miyamoto, Toshinao Kido