Patents by Inventor Jae Kang Sim

Jae Kang Sim 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 power line communication
    Patent number: 9396868
    Abstract: Disclosed is a signal coupling apparatus for power line communication, the apparatus comprising a housing centrally formed with a groove to pass a power line there through, and a non-contact interface unit accommodated inside the housing to induce a power signal or a power line communication signal from the power line using an electromagnetic induction.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: July 19, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Young Gyu Yu, Jae Kang Sim
  • Block filter for power line communication
    Patent number: 9337896
    Abstract: Provided is a blocking filter for PLC, the blocking filter including a low pass filter unit including a capacitor and a plurality of inductors, a plurality of magnetic saturation prevention circuits each connected to the inductor in parallel to prevent magnetic saturation of the inductor, and operating in response to an interruption control signal inputted from outside, and a first switch connected or opened in response to the interruption control signal and interconnected between the low pass filter unit and a neutral line.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: May 10, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Jae Kang Sim, Young Gyu Yu
  • SIGNAL COUPLING APPARATUS FOR POWER LINE COMMUNICATION
    Publication number: 20130300208
    Abstract: Disclosed is a signal coupling apparatus for power line communication, the apparatus comprising a housing centrally formed with a groove to pass a power line there through, and a non-contact interface unit accommodated inside the housing to induce a power signal or a power line communication signal from the power line using an electromagnetic induction.
    Type: Application
    Filed: May 7, 2013
    Publication date: November 14, 2013
    Applicant: LSIS CO., LTD.
    Inventors: Young Gyu YU, Jae Kang SIM
  • Electric type watt hour meter
    Patent number: D482291
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: November 18, 2003
    Assignee: LG Industrial Systems Co., Ltd.
    Inventor: Jae Kang Sim