Patents by Inventor Su-Duk Cho

Su-Duk Cho 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).

  • Playing sound generating apparatus and method using sound generation of image display device
    Patent number: 6653544
    Abstract: In an image display device such as a TV set, a playing sound generating method generates a sound without using a separate sound source integrating device and also generates a playing sound using the generated sound.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: November 25, 2003
    Assignee: LG Electronics
    Inventors: Su-Duk Cho, Jae-Kyung Lee