Patents by Inventor Leonard Stencel

Leonard Stencel 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).

  • Video display signal brightness control circuit
    Patent number: 7277135
    Abstract: Video signal control circuitry for use in a video display system in which a variation in a brightness level of a video display signal causes a corresponding variation in a beam current signal, wherein such video signal control circuitry maintains a controllable video display signal brightness level at a substantially constant average value notwithstanding a variation in the incoming video signal brightness level.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: October 2, 2007
    Assignee: National Semiconductor Corporation
    Inventors: Peyman Hojabri, Hon Kin Chiu, Robert Eddy, Leonard Stencel, Wayne Harlan