Patents by Inventor Chaoying Hu-Guo

Chaoying Hu-Guo 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).

  • Electromagnetic wave transmitter/receiver
    Patent number: 6154181
    Abstract: A device includes a waveguide for the transmission/reception of microwave signals. The waveguide is coupled to a microstrip reception circuit as well as to a microstrip transmission circuit. The waveguide includes a filter arrangement which attenuates the microwave signals transmitted from the transmission circuit in order to prevent undesirable interference to the reception circuit.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: November 28, 2000
    Assignee: Thomson Licensing S.A.
    Inventors: Chaoying Hu-Guo, Patrice Hirtzlin, Gerard Haquet, David Harrison