Patents by Inventor Hidefumi Antoku

Hidefumi Antoku 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).

  • CRT display device
    Patent number: 5767632
    Abstract: A horizontal synchronizing frequency f.sub.H and a vertical synchronizing frequency f.sub.V are detected, a moire adjusting signal (af.sub.H +bf.sub.V) is calculated, and then the position of displayed picture is alternatingly shifted in the horizontal direction by the distance proportional to (af.sub.H +bf.sub.V) every cycle of the vertical synchronizing frequency. Therein, a and b are coefficients depending on the CRT display device.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: June 16, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Moritoshi Yoshida, Tomohiko Douken, Hidefumi Antoku