Patents by Inventor Gwang Sub KIM

Gwang Sub KIM 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).

  • Fractional-n sub-sampling phase locked loop using phase rotator
    Patent number: 11817863
    Abstract: According to an exemplary embodiment of the present disclosure, a fractional-N sub-sampling phase locked loop using a phase rotator includes a frequency locked loop which is locked at a fractional-N frequency using a delta-signal modulator and a sub-sampling phase locked loop which locks a phase to a fractional multiple using a phase rotator, and the phase rotator applies a fractional multiple to a phase of a signal output from the oscillator.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: November 14, 2023
    Assignee: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Donghyun Baek, Gwang Sub Kim
  • FRACTIONAL-N SUB-SAMPLING PHASE LOCKED LOOP USING PHASE ROTATOR
    Publication number: 20230029340
    Abstract: According to an exemplary embodiment of the present disclosure, a fractional-N sub-sampling phase locked loop using a phase rotator includes a frequency locked loop which is locked at a fractional-N frequency using a delta-signal modulator and a sub-sampling phase locked loop which locks a phase to a fractional multiple using a phase rotator, and the phase rotator applies a fractional multiple to a phase of a signal output from the oscillator.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 26, 2023
    Inventors: Donghyun BAEK, Gwang Sub KIM