Patents by Inventor Yo-Hee Kim

Yo-Hee Kim 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).

  • Signal coupling apparatus for communication by medium voltage power line
    Patent number: 6753742
    Abstract: A signal coupling apparatus for communication by a medium voltage power line comprises a housing with an inner cavity; an electrode formed on one edge of the housing, one end of the electrode connected to an external medium voltage lead line; a coupling capacitor formed within the cavity and connected to the other end of the electrode; a drain coil formed within the cavity and connected to the coupling capacitor; a power-sided ground terminal formed on one edge of the housing, one end of the ground terminal connected to the drain coil and the other end of the ground terminal connected to a ground terminal of a power system; and a communication-sided connection terminal formed on one edge of the housing, one end of the connection terminal connected to the coupling capacitor and the other end of the connection terminal connected to an external communication equipment.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: June 22, 2004
    Assignee: Korea Electro Technology Research Institute
    Inventors: Yo-Hee Kim, Kwan-Ho Kim, Won-Tae Lee, Jae-Jo Lee
  • Signal coupling apparatus for communication by medium voltage power line
    Publication number: 20040032307
    Abstract: A signal coupling apparatus for communication by a medium voltage power line comprises a housing with an inner cavity; an electrode formed on one edge of the housing, one end of the electrode connected to an external medium voltage lead line; a coupling capacitor formed within the cavity and connected to the other end of the electrode; a drain coil formed within the cavity and connected to the coupling capacitor; a power-sided ground terminal formed on one edge of the housing, one end of the ground terminal connected to the drain coil and the other end of the ground terminal connected to a ground terminal of a power system; and a communication-sided connection terminal formed on one edge of the housing, one end of the connection terminal connected to the coupling capacitor and the other end of the connection terminal connected to an external communication equipment.
    Type: Application
    Filed: August 13, 2002
    Publication date: February 19, 2004
    Inventors: Yo-Hee Kim, Kwan-Ho Kim, Won-Tae Lee, Jae-Jo Lee
  • Optical-electronic demand meter using optical metering outfit
    Patent number: 5747985
    Abstract: An optical-electronic demand meter using an optical metering outfit (MOF) is disclosed.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: May 5, 1998
    Assignee: Korea Electric Power Corporation
    Inventors: Won-Bin Lee, Hong-Keun Cho, Chung-Moo Song, Yo-Hee Kim, Young-Soo Kim