Patents by Inventor Duk-Joon Yang

Duk-Joon Yang 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).

  • Portable multimedia device with display bracket switch and method of operating the same
    Patent number: 7633747
    Abstract: A portable multimedia device and a method of operating the same enables operation of a display device by direct manipulation of a bracket housing a display window of a portable communication device such as an MP3 player, a portable multimedia player, or a digital camera. The portable multimedia device includes: a display bracket housing the display window; a PCB bracket installed at a rear surface of the display bracket and is movable within a limited range in a thickness direction; a PCB fixed in the PCB bracket between the display bracket and the PCB bracket; and a plurality of tact switches installed around a periphery of the PCB capable of contacting the rear surface of the display bracket. Each of the tact switches controls one or more function of the portable multimedia device.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: December 15, 2009
    Assignee: Reigncom Ltd.
    Inventors: Duk-Joon Yang, Dong-Hoon Kim
  • Portable multimedia device with display bracket switch and method of operating the same
    Publication number: 20060250762
    Abstract: A portable multimedia device and a method of operating the same enables operation of a display device by direct manipulation of a bracket housing a display window of a portable communication device such as an MP3 player, a portable multimedia player, or a digital camera. The portable multimedia device includes: a display bracket housing the display window; a PCB bracket installed at a rear surface of the display bracket and is movable within a limited range in a thickness direction; a PCB fixed in the PCB bracket between the display bracket and the PCB bracket; and a plurality of tact switches installed around a periphery of the PCB capable of contacting the rear surface of the display bracket. Each of the tact switches controls one or more function of the portable multimedia device.
    Type: Application
    Filed: January 4, 2006
    Publication date: November 9, 2006
    Inventors: Duk-Joon Yang, Dong-Hoon Kim