Patents by Inventor Ryosuke Ashiya

Ryosuke Ashiya 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).

  • White uniformity correcting apparatus for a three-color display wherein correction signals are stored in a memory
    Patent number: 4746970
    Abstract: A dynamic white uniformity correcting apparatus for a three-color display for displaying a color picture in response to three primary color signals and includes a cathode ray tube which has means for emitting a plurality of electron beams and a display screen divided into a plurality of incremental areas and the display also includes deflection means for scanning the plurality of electron beams across the display screen to produce the color picture in response to three primary color signals and wherein a correction signal generating means generates at least two correction signals for each incremental area of the display screen and the correction signal generating means includes a correction signal storage means for storing the correction signals.
    Type: Grant
    Filed: January 14, 1986
    Date of Patent: May 24, 1988
    Assignee: Sony Corporation
    Inventors: Hiromu Hosokawa, Ryosuke Ashiya, Koichi Momoi