Patents by Inventor Nack Hyun CHOI

Nack Hyun CHOI 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).

  • Method for modulating and demodulating data
    Patent number: 8594175
    Abstract: Disclosed is a method for modulating and demodulating data. The method composes symbols by grouping a plurality of symbols for pulse position modulation to newly add symbol compositions to fixed symbols used for the pulse position modulation of the related art. Further, the method uses grouped symbols to improve data transmission rate as the average amount of information increases.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 26, 2013
    Assignees: Electronics and Telecommunications Research Institute, Inha-Industry Partnership Institute
    Inventors: Hyung Soo Lee, Jaehwan Kim, Jae Young Kim, Jae Ho Hwang, Jae Moung Kim, Sung Jeen Jang, Nack Hyun Choi, Jong Seok Park
  • METHOD FOR MODULATING AND DEMODULATING DATA
    Publication number: 20100124269
    Abstract: Disclosed is a method for modulating and demodulating data. The method composes symbols by grouping a plurality of symbols for pulse position modulation to newly add symbol compositions to fixed symbols used for the pulse position modulation of the related art. Further, the method uses grouped symbols to improve data transmission rate as the average amount of information increases.
    Type: Application
    Filed: October 28, 2009
    Publication date: May 20, 2010
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INHA-INDUSTRY PARTNERSHIP INSTITUTE
    Inventors: Hyung Soo LEE, Jaehwan KIM, Jae Young KIM, Jae Ho HWANG, Jae Moung KIM, Sung Jeen JANG, Nack Hyun CHOI, Jong Seok PARK