Patents by Inventor Yun Nien Chai

Yun Nien Chai 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).

  • MEMBRANE CABLE AND KEYBOARD
    Publication number: 20100021222
    Abstract: The invention discloses a membrane cable including several metal wires, a cover body and a reinforcement plate. The cover body covers the metal wires, and the reinforcement plate is adhered to an external surface of the cover body. The cover body and the metal wires are bended toward the reinforcement plate, and the reinforcement plate can prevent the cover body and the metal wires from being over-bended.
    Type: Application
    Filed: July 22, 2009
    Publication date: January 28, 2010
    Applicant: Darfon Electronics Corp.
    Inventors: Kan Ping Lo, Wen Yu Tsai, Yun Nien Chai
  • KEYSWITCH AND KEYBOARD
    Publication number: 20090260970
    Abstract: The invention discloses a keyswitch and a keyboard which applies the keyswitch. The keyswitch includes a scissors-like supporting structure and a keycap. The scissors-like supporting structure includes a first arm member. The first arm member has a first axle. A retaining member is formed at the bottom of the keycap. The retaining member has a retaining portion and a block. The distal end of the retaining portion and the distal end of the block form an opening.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 22, 2009
    Applicant: Darfon Electronics Corp.
    Inventors: Lei Lung Tsai, Yun Nien Chai
  • KEYSWITCH AND KEYBOARD
    Publication number: 20090262077
    Abstract: The invention discloses a keyswitch and a keyboard which makes use of the keyswitch. The keyswitch is co-operated with an antenna. The antenna is used for receiving a signal transmitted by an electronic product. The keyswitch includes a keycap, a conductive foil, and a communication module. The conductive foil forms at least one part of the antenna. The communication module is used for receiving the signal via the antenna.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 22, 2009
    Applicant: Darfon Electronics Corp.
    Inventors: Lei Lung Tsai, Yun Nien Chai