Patents by Inventor Quanzhen DUAN

Quanzhen DUAN 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).

  • Delta-sigma modulator having differential output
    Patent number: 9444489
    Abstract: Provided is a delta-sigma modulator having a differential output, the modulator including a switched-capacitor integrator configured to generate a non-inverted integral signal and an inverted integral signal and also including a switched-capacitor circuit configured to sample an input signal based on a control signal and to integrate the feedback signal and the input signal based on the control signal and also a feedback circuit configured to generate the feedback signal.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 13, 2016
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Jeongjin Roh, Jong Pal Kim, Youngjae Jung, Quanzhen Duan, Tak Hyung Lee, Danbi Choi
  • DELTA-SIGMA MODULATOR HAVING DIFFERENTIAL OUTPUT
    Publication number: 20160149586
    Abstract: Provided is a delta-sigma modulator having a differential output, the modulator including a switched-capacitor integrator configured to generate a non-inverted integral signal and an inverted integral signal and also including a switched-capacitor circuit configured to sample an input signal based on a control signal and to integrate the feedback signal and the input signal based on the control signal and also a feedback circuit configured to generate the feedback signal.
    Type: Application
    Filed: July 22, 2015
    Publication date: May 26, 2016
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Jeongjin ROH, Jong Pal KIM, Youngjae JUNG, Quanzhen DUAN, Tak Hyung LEE, Danbi CHOI