Patents by Inventor Chang Hui Yea

Chang Hui Yea 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).

  • Wireless transmitting/receiving device and method thereof
    Patent number: 7486741
    Abstract: The present invention discloses a wireless transmitting/receiving apparatus for transmitting and receiving large amounts of digital data using a commercial wireless transmitting/receiving apparatus. The wireless transmitting apparatus includes a data converter for mapping multibit digital data by a data symbol in accordance with a predetermined mapping table, for converting the data symbol to an analog signal, and for outputting the analog signal, and a wireless transmitter for modulating the analog signal and for transmitting the signal wirelessly. The wireless receiving apparatus includes a wireless receiver for demodulating a wireless signal received to an analog signal, and a data restoration section for converting the analog signal to a digital signal in accordance with a predetermined mapping table, conducting an inverse symbol mapping on the digital signal, and outputting the digital signal.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: February 3, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kyu Ik Sohng, Duk Kyu Choi, Hee Chul Kim, Gwang Soon Lee, Chang Hui Yea, Jong Keun Shin
  • Wireless transmitting/receiving apparatus and method
    Publication number: 20040240579
    Abstract: The present invention discloses a wireless transmitting/receiving apparatus for transmitting and receiving large amounts of digital data using a commercial wireless transmitting/receiving apparatus. The wireless transmitting apparatus includes a data converter for mapping multibit digital data by a data symbol in accordance with a predetermined mapping table, for converting the data symbol to an analog signal, and for outputting the analog signal, and a wireless transmitter for modulating the analog signal and for transmitting the signal wirelessly. The wireless receiving apparatus includes a wireless receiver for demodulating a wireless signal received to an analog signal, and a data restoration section for converting the analog signal to a digital signal in accordance with a predetermined mapping table, conducting an inverse symbol mapping on the digital signal, and outputting the digital signal.
    Type: Application
    Filed: July 9, 2004
    Publication date: December 2, 2004
    Inventors: Kyu-Ik Sohng, Duk Kyu Choi, Hee Chul Kim, Gwang Soon Lee, Chang Hui Yea, Jong Keun Shin