Patents by Inventor John J. Pederson

John J. Pederson 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).

  • Picture-width-adaptable television receiver
    Patent number: 4935819
    Abstract: A television receiver is disclosed which is capable of presenting a wide-screen picture format, and alternatively, a narrowed, partial-screen picture format having non-luminous side panels and visible vertical edges. The receiver includes a detector for detecting the transmission in a predetermined tuned television channel of the partial-screen picture format, and shutters movable in response to the detection of the transmission to conceal the non-luminous side panels of the screen and the visible vertical edges.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: June 19, 1990
    Assignee: Zenith Electronic Corporation
    Inventor: John J. Pederson