Patents by Inventor Li Yun-Xiu

Li Yun-Xiu 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).

  • A/D converter with adjustable internal connection and method for the sameoperating
    Patent number: 7095158
    Abstract: An A/D converter with adjustable internal connection and a method for operating the same are provided. The A/D converter comprises: a plurality of piezo-transforming devices for detecting an input voltage from the alternating current source and adjusting an connection of input terminals of the plurality of piezo-transforming devices based on the input voltage to obtain an input/output voltage ratio of the plurality of piezo-transforming devices inversely proportional to the input voltage.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: August 22, 2006
    Assignee: DELTA Electronics, Inc.
    Inventors: Li Yun-Xiu, Wei Chen, Yung-Wei Peng
  • [A/D CONVERTER WITH ADJUSTABLE INTERNAL CONNECTION AND METHOD FOR THE SAMEOPERATING ]
    Publication number: 20050157524
    Abstract: An A/D converter with adjustable internal connection and a method for operating the same are provided. The A/D converter comprises: a plurality of piezo-transforming devices for detecting an input voltage from the alternating current source and adjusting an connection of input terminals of the plurality of piezo-transforming devices based on the input voltage to obtain an input/output voltage ratio of the plurality of piezo-transforming devices inversely proportional to the input voltage.
    Type: Application
    Filed: April 30, 2004
    Publication date: July 21, 2005
    Inventors: Li Yun-Xiu, Wei Chen, Yung-Wei Peng