Patents by Inventor Sang Won Rhee

Sang Won Rhee 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).

  • CHANNEL SWITCHING METHOD AND SYSTEM FOR IPTV SERVICE
    Publication number: 20100251296
    Abstract: A channel switching method and system for IPTV for reducing channel switching delay and improving bandwidth utilization efficiency is provided. The channel switching method includes pre-joining candidate channels while playing broadcast data on a main channel, the candidate channels being stored in a candidate channel table; releasing the pre-joined candidate channels, when a channel holding time of the main channel is greater than a predetermined channel holding time level; and re-joining the released candidate channels before a completion of playing the broadcast data on the main channel.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 30, 2010
    Applicants: Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation For Corporate Collaboration
    Inventors: Jun Hyung KIM, Kyung Tae Kim, Sung Oh Hwang, Hee Yong Youn, Sang Won Rhee