Patents by Inventor Guoyu He

Guoyu He 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).

  • Method and apparatus for receiving radio frequency signals
    Patent number: 6963624
    Abstract: The present invention relates to a method and apparatus for receiving or converting a radio frequency signal. In particular, the present invention relates to a method and apparatus using an electronic circuit to combine a radio frequency signal, also known as a test signal, its reference signal and a third signal which has its predetermined frequency. The combination of these three signals gives rise to a new signal. The new signal has a frequency that is solely responsive to the predetermined frequency of the third signal. It also has phase information that is responsive to that of the test signal. In addition, the new signal may also have amplitude information that is responsive to that of the test signal.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: November 8, 2005
    Inventor: Guoyu He
  • Footwear
    Patent number: D1003013
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: October 31, 2023
    Inventor: Guoyu He