Patents by Inventor Kyung-Soo Seok

Kyung-Soo Seok 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).

  • Stabilizer circuit for high-voltage discharge lamp
    Patent number: 7276862
    Abstract: A stabilizer circuit for a high-voltage discharge lamp is provided. The stabilizer comprises an electromagnetic interference (EMI) filter; a rectifying unit; a power factor correction (PFC) circuit; a buck converter; a commutator; an igniter; a high-voltage discharge lamp; a current detector; a voltage detector; an igniter voltage controller for receiving the voltage output from the igniter and controlling the voltage when abnormality in the high-voltage discharge lamp occurs.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: October 2, 2007
    Assignee: Media Technology, Inc.
    Inventors: Byung-Sun Kim, Kyung-Soo Seok
  • Stabilizer circuit for high-voltage discharge lamp
    Publication number: 20060138970
    Abstract: A stabilizer circuit for a high-voltage discharge lamp is provided. The stabilizer comprises an electromagnetic interference (EMI) filter; a rectifying unit; a power factor correction (PFC) circuit; a buck converter; a commutator; an igniter; a high-voltage discharge lamp; a current detector; a voltage detector; an igniter voltage controller for receiving the voltage output from the igniter and controlling the voltage when abnormality in the high-voltage discharge lamp occurs.
    Type: Application
    Filed: December 22, 2005
    Publication date: June 29, 2006
    Inventors: Byung-Sun Kim, Kyung-Soo Seok