Patents by Inventor Keiichiro Hiroki

Keiichiro Hiroki 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 switching arrangement for video camera apparatus
    Patent number: 4945424
    Abstract: Video camera apparatus includes image pick-up equipment, video recording and/or reproducing apparatus, display equipment, and an electronic view finder. In the apparatus, independent power on-off switches are provided in the image pick-up equipment and the video recording and/or reproducing equipment, respectively, and a selecting switch is provided for selecting a television tuner or an external input, and an input of the video recording and/or reproducing equipment. Switching on-off (operation-turn off) of the display equipment or the electronic view finder is automatically controlled in accordance with operation of these switches.
    Type: Grant
    Filed: February 1, 1989
    Date of Patent: July 31, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventors: Keiichiro Hiroki, Yukihiko Fukasawa, Ken Yamauchi