Patents by Inventor Hiroshi TOKINOYA

Hiroshi TOKINOYA 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).

  • Power supply device and abnormality determination method for A/D converter
    Patent number: 10718821
    Abstract: A power supply device includes a voltage adjusting unit, an A/D converter, a determination unit, and a supply unit configured to supply a voltage. The A/D converter includes an A/D conversion circuit, and a selector that connects any one of a plurality of input ports to the A/D conversion circuit. The input ports include load ports, a first diagnostic port, and a second diagnostic port, the supply unit supplies a first voltage value to the first diagnostic port and supplies a second voltage value to the second diagnostic port, and the determination unit determines abnormality of the A/D converter on the basis of conversion results by the A/D conversion circuit when the first diagnostic port and the A/D conversion circuit are connected together and conversion results by the A/D conversion circuit when the second diagnostic port and the A/D conversion circuit are connected together.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: July 21, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Hiroshi Tokinoya, Takashi Kikuchi, Takahiro Miyakawa, Syunsuke Nagakura
  • POWER SUPPLY DEVICE AND ABNORMALITY DETERMINATION METHOD FOR A/D CONVERTER
    Publication number: 20180231617
    Abstract: A power supply device includes a voltage adjusting unit, an A/D converter, a determination unit, and a supply unit configured to supply a voltage. The A/D converter includes an A/D conversion circuit, and a selector that connects any one of a plurality of input ports to the A/D conversion circuit. The input ports include load ports, a first diagnostic port, and a second diagnostic port, the supply unit supplies a first voltage value to the first diagnostic port and supplies a second voltage value to the second diagnostic port, and the determination unit determines abnormality of the A/D converter on the basis of conversion results by the A/D conversion circuit when the first diagnostic port and the A/D conversion circuit are connected together and conversion results by the A/D conversion circuit when the second diagnostic port and the A/D conversion circuit are connected together.
    Type: Application
    Filed: January 26, 2018
    Publication date: August 16, 2018
    Applicant: Yazaki Corporation
    Inventors: Hiroshi TOKINOYA, Takashi KIKUCHI, Takahiro MIYAKAWA, Syunsuke NAGAKURA