Patents by Inventor Seiichi Gohda

Seiichi Gohda 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: 4499509
    Abstract: A tape position control apparatus for video tape recorders is mainly composed of a tape control device which functions to control the movement of a video tape, a count circuit for counting the number of control pulses reproduced from the video tape, a segment data memory for storing segment data indicating the number of control pulses from the tape for the top or beginning of each segmented video information which is recorded on the video tape with reference to segment number of the segmented video information, an input device for requesting to search one of the segmented video information by generating a segment number, a comparison circuit for comparing currently counted number stored in the count circuit with the top segment data for the requested segment number, and a command signal generating circuit for generating command signals to be supplied to the tape drive control circuit in order to search for the top of the requested video information.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: February 12, 1985
    Assignee: Sony Corporation
    Inventors: Seiichi Gohda, Mamoru Ishiguro
  • Patent number: 4308563
    Abstract: Position control apparatus is provided for a magnetic information device that uses a magnetic recording medium having a readable series of pulses recorded along a serial path thereon. For example, the magnetic information device could be a video tape recorder and the magnetic recording medium could be a video tape with a series of control pulses recorded upon it.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 29, 1981
    Assignee: Sony Corporation
    Inventors: Seiichi Gohda, Akira Tajiri