Patents by Inventor Se-Cherng Yang

Se-Cherng Yang 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).

  • Charging circuit for a vehicle charger
    Patent number: 7733053
    Abstract: A charging circuit for a vehicle charger includes a front high-voltage protective circuit, a rear high-voltage protective circuit, a first filtering circuit, an over-voltage protective circuit, a high frequency step-down switching regulator, a second filtering circuit, a frequency modulation circuit, a reference voltage input circuit, a sampling circuit, a short-circuit protective circuit and two charging interfaces.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: June 8, 2010
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Se-Cherng Yang, Fu-Gen Yang
  • CHARGING CIRCUIT FOR A VEHICLE CHARGER
    Publication number: 20090108825
    Abstract: A charging circuit for a vehicle charger includes a front high-voltage protective circuit, a rear high-voltage protective circuit, a first filtering circuit, an over-voltage protective circuit, a high frequency step-down switching regulator, a second filtering circuit, a frequency modulation circuit, a reference voltage input circuit, a sampling circuit, a short-circuit protective circuit and two charging interfaces.
    Type: Application
    Filed: October 25, 2007
    Publication date: April 30, 2009
    Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Se-Cherng Yang, Fu-Gen Yang