Patents by Inventor Sang W. Rew

Sang W. Rew 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: 5033085
    Abstract: A method for controlling video and audio of a television set using a code in such a manner that a code is set up in a microcomputer of the television set, which is operated normally only when the code is released by input of a key signal corresponding to the code, to output the video and audio signals. Therefore, it is possible to prevent any person who does not know the code from driving the television set. For example, it is possible to prevent children from watching the television broadcast stealthily without notice of adults.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: July 16, 1991
    Assignee: Goldstar Co., Ltd.
    Inventor: Sang W. Rew