Patents by Inventor Yeung Jun CHO

Yeung Jun CHO 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).

  • ANTENNA DEVICE FOR SHIFTING RESONANCE FREQUENCY
    Publication number: 20090303148
    Abstract: An antenna device for shifting a resonance frequency including an antenna pattern having a first resonance frequency and a magnetic body disposed within a predetermined distance of or contacting with one side of the antenna pattern for shifting the first resonance frequency to a second resonance frequency. When the first resonance frequency of the antenna pattern is shifted to the second resonance frequency, radiation efficiency is not reduced.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 10, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeung Jun CHO, Yong Jin KIM, Byung Man LIM, Jae Ho LEE