Patents by Inventor Soung Hyn Um

Soung Hyn Um 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).

  • Publication number: 20040168203
    Abstract: A method and apparatus for presenting video data recorded on a recording medium in synchronization with text-based data is disclosed. The video data recorded on the recording medium is reproduced and presented based on video presentation reference time synchronized with program clock reference (PCR) included in the video data and the text-based data is presented based on text presentation reference time. If the presentation position of the video data changes discontinuously, the text presentation reference time as well as the video presentation reference time is adjusted accordingly.
    Type: Application
    Filed: December 10, 2003
    Publication date: August 26, 2004
    Inventors: Kang Soo Seo, Byung Jin Kim, Soung Hyn Um, Jea Yong Yoo, Tae Ho Kim, Chang Bum Kim