Patents by Inventor Tae-June Chae

Tae-June Chae 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).

  • System for transmitting the scrambled broadcast-signals in single frequency network, and a method thereof
    Patent number: 8619987
    Abstract: Disclosed is a system for transmitting encrypted broadcast signals to different transmitters on a single frequency network (SFN) in a digital broadcasting system. The system for transmitting encrypted broadcast signals on the SFN includes: a main broadcasting system for transmitting encrypted broadcast signals including data streams and transmitter identification information (TII) through a main broadcasting network; a repeating system for amplifying encrypted broadcast signals of the main broadcasting network and transmitting the amplified broadcast signals, or modulating and amplifying streams input by the main broadcasting system through a private line and repeating broadcast signals of the main broadcasting system through a repeating network; and a decrypting key provider for receiving a decrypting key value from the main broadcasting or repeating system and transmitting a user authentication and decrypting key to a charged subscriber terminal through a mobile communication network.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: December 31, 2013
    Assignees: KT Corporation, Electronics and Telecommunications Research Institute
    Inventors: Chung-Pyo Hong, Tae-June Chae, Won-Jin Park, Hyun Lee, Soo-In Lee, Gwang-Soon Lee, Bong-Ho Lee, Jong-Soo Lim
  • System For Transmitting The Scrambled Broadcast-Signals In Single Frequency Network, And A Method Thereof
    Publication number: 20100177895
    Abstract: Disclosed is a system for transmitting encrypted broadcast signals to different transmitters on a single frequency network (SFN) in a digital broadcasting system. The system for transmitting encrypted broadcast signals on the SFN includes: a main broadcasting system for transmitting encrypted broadcast signals including data streams and transmitter identification information (TII) through a main broadcasting network; a repeating system for amplifying encrypted broadcast signals of the main broadcasting network and transmitting the amplified broadcast signals, or modulating and amplifying streams input by the main broadcasting system through a private line and repeating broadcast signals of the main broadcasting system through a repeating network; and a decrypting key provider for receiving a decrypting key value from the main broadcasting or repeating system and transmitting a user authentication and decrypting key to a charged subscriber terminal through a mobile communication network.
    Type: Application
    Filed: November 4, 2005
    Publication date: July 15, 2010
    Inventors: Chung-Pyo Hong, Tae-June Chae, Won-Jin Park, Hyun Lee, Soo-In Lee, Gwang-Soon Lee, Bong-Ho Lee, Jong-Soo Lim