Patents by Inventor Chul-Gi Min

Chul-Gi Min 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).

  • Key switch device and method for manufacturing the same
    Patent number: 6833522
    Abstract: A key switch device includes inner and outer link members connected to each other to mutually move in a scissors fashion, a key top having receiving portions for receiving the support protrusions provided at respective upper ends of the link members, a hollow elastic switch provided at an inner surface thereof with a downward protrusion for performing a switching operation in accordance with vertical movement of the key top, a support plate arranged beneath the key top, a membrane arranged on the support plate, and a mounting member arranged on the membrane, a central opening for receiving the elastic switch, and fitting holes allowing the cocking members to be fitted therein.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: December 21, 2004
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyung-Su Park, Chul-Gi Min, Jeong-Hun Lee
  • Key switch device and portable electronic device having the same
    Publication number: 20040200710
    Abstract: A key switch device comprising a mounting member made separate from a support plate or backing board.
    Type: Application
    Filed: June 19, 2003
    Publication date: October 14, 2004
    Inventors: Yasuo Takada, Chul Gi Min, Jeong Hun Lee