Patents by Inventor Tadashi China

Tadashi China 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).

  • Audio equipment including rotary operation unit, operation detecting section, power supplying section, and monitoring section
    Patent number: 11863141
    Abstract: There is provided audio equipment that enables power supply and signal connection to a rotary operation unit in a non-contact manner. The audio equipment includes: the rotary operation unit rotatably supported in relation to an equipment body; an operation detecting section provided for the rotary operation unit and in which an electric load changes in response to a pressing operation; a power supplying section provided for the equipment body and configured to supply power to the operation detecting section in a non-contact manner; and a monitoring section configured to monitor the power supplied by the power supplying section to detect the user's operation from a change in the power.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: January 2, 2024
    Assignee: ALPHATHETA CORPORATION
    Inventors: Jun Minokami, Naomi Amemiya, Eiji Kojima, Tadashi China
  • ACOUSTIC DEVICE
    Publication number: 20220137691
    Abstract: There is provided audio equipment that enables power supply and signal connection to a rotary operation unit in a non-contact manner. The audio equipment includes: the rotary operation unit rotatably supported in relation to an equipment body; an operation detecting section provided for the rotary operation unit and in which an electric load changes in response to a pressing operation; a power supplying section provided for the equipment body and configured to supply power to the operation detecting section in a non-contact manner; and a monitoring section configured to monitor the power supplied by the power supplying section to detect the user's operation from a change in the power.
    Type: Application
    Filed: March 1, 2019
    Publication date: May 5, 2022
    Inventors: Jun Minokami, Naomi Amemiya, Eiji Kojima, Tadashi China