Patents by Inventor Seog Ki Lee

Seog Ki Lee 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).

  • Data switching device
    Patent number: 5821875
    Abstract: A data switching device which implement the data exchange between a plurality of terminals connected to the communication network. Even if the circuit connection exists in the relevant input port and the destination port, since the frame is transmitted to the output part through the dual circuit switch path, the intermix mode service is processed in the output and then the effective intermix mode service can be processed. Also, since the same circuit switch is dually used, the high reliability regarding to the switch failure can be obtained.
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: October 13, 1998
    Assignees: Electronics And Telecommunications Research Institute, Korea Telecommunication Authority
    Inventors: Hyeun Tae Lee, Seog Ki Lee, Young Hee Lee