Patents by Inventor Sang-Du Byen

Sang-Du Byen 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).

  • Apparatus for testing and adjusting audio/video signal waveforms in color television
    Patent number: 5432548
    Abstract: An apparatus for testing and adjusting audio/video signal waveforms in a color television, comprising a computer unit, a program logic controller, a measurement device, first and second interface units, a printed wiring board remote controller, an adjustment motor driving circuit, adjustment motors, an adjustment motor select circuit and an adjustment motor moving circuit. Therefore, according to the invention, the waveform test and adjustment for the printed wiring board are performed by the present apparatus, resulting in reduction in an inferiority rate and a labor cost in manufacturing the goods.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: July 11, 1995
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Du Byen, Young-Min Lee, Do-Young Kim