Patents by Inventor Yun-Xiu Li

Yun-Xiu Li 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).

  • Single stage AC/DC converter with piezo transformer
    Patent number: 7016209
    Abstract: A single stage AC/DC converter with piezo transformer is provided. The AC/DC converter is suitable for converting an AC power into a DC power and is comprised of a rectification module, a switching module, a driving module, a piezo transformer, and an output rectification module. The present invention provides a new AC/DC converter with piezo transformer by combining the bulk circuit and the half-bridge circuit together.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: March 21, 2006
    Assignee: DELTA Electronics, Inc.
    Inventors: Yun-Xiu Li, Wei Chen, Yung-Wei Peng
  • [SINGLE STAGE A/D CONVERTER WITH PIEZO TRANSFORMER ]
    Publication number: 20050156774
    Abstract: A single stage A/D converter with piezo transformer is provided. The A/D converter is suitable for converting an AC power into a DC power and is comprised of a rectification module, a switching module, a driving module, a piezo transformer, and an output rectification module. The present invention provides a new A/D converter with piezo transformer by combining the bulk circuit and the half-bridge circuit together.
    Type: Application
    Filed: April 27, 2004
    Publication date: July 21, 2005
    Inventors: Yun-Xiu Li, Wei Chen, Yung-Wei Peng