Patents by Inventor Tony L. Shiu

Tony L. Shiu 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).

  • Bar type channel identification apparatus for a television receiver
    Patent number: 4366502
    Abstract: A tuning system of a television receiver of the type which changes the magnitude of a tuning voltage until an RF carrier corresponding to a television channel is located includes channel identification apparatus for generating a vertical tuning bar at a predetermined height and having a horizontal position determined by the magnitude of the tuning voltage until a carrier is detected and after a carrier is detected gradually changing its height until it disappears to provide a positive indication to a viewer that a carrier has been detected.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: December 28, 1982
    Assignee: RCA Corporation
    Inventor: Tony L. Shiu