Patents by Inventor Goo-Hyoung Chung

Goo-Hyoung Chung 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 player
    Patent number: 6628963
    Abstract: Disclosed is a portable multimedia player comprising: a portable phone section having a modem adapted to communicate with an external device; a multimedia control section adapted to perform a control of the overall operation of the portable multimedia player and including a CPU, a control logic circuit, a memory having a predetermined storage capacity and adapted to store a music file and a moving picture file downloaded by way of online communications, and a system ROM adapted to store predetermined control program; a CD player section adapted to drive a CD-ROM driver to reproduce a CD media; a key input section having a plurality of function keys and adapted to input a control signal for controlling each of the elements of the portable multimedia player; a MPEG data processing section adapted to process a MPEG-1 video signal and a MP3 audio signal from a file stored in the CD player section or the multimedia control section and to convert the MP3 audio digital signal into an analog signal to output the conv
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: September 30, 2003
    Assignee: Dasan Information and Communication Co., Ltd.
    Inventor: Goo-Hyoung Chung