Patents by Inventor Woon G. Back

Woon G. Back 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).

  • Patent number: 5355180
    Abstract: A viewing distance warning/sound recording apparatus for a television receiver and the method thereof, which can provide viewing distance warning by outputting a visible message for warning when a televiewer watches television at too near a distance as well as reproduce a specific message of the televiewer to others during his absence. The apparatus according to the present invention comprises a microcomputer, a sensing circuit for detecting if an object exists within a predetermined distance from a television screen under the control of the microcomputer and a sound processing circuit for recording and reproducing a sound according to control signals of the microcomputer. The apparatus also includes a key matrix having function keys for setting sound recording, message output and viewing distance warning modes, respectively.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: October 11, 1994
    Assignee: Goldstar Co., Ltd.
    Inventor: Woon G. Back