Patents by Inventor Issac M. Bell

Issac M. Bell 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).

  • Audio signal section apparatus
    Patent number: 4903129
    Abstract: A television receiver having picture-in-picture capability and having multiple electronically selectable auxiliary baseband signal inputs provides automatic selection of the proper audio signal by use of bilevel digital switching circuitry.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: February 20, 1990
    Assignee: Thomson Consumer Electronics, Inc.
    Inventors: Issac M. Bell, Gene K. Sendelweck