Patents by Inventor Yufan Yao

Yufan Yao 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).

  • Transmission absorbing structure and antenna in-band characteristics test system
    Patent number: 11828781
    Abstract: This application provides a transmission absorbing structure and an antenna in-band characteristics test system, relating to design of microwave antennas for radar and communication systems. The transmission absorbing structure includes a coupling feed structure provided with coupling slots for energy coupling with a to-be-tested antenna, two equivalent electric wall structures parallel to each other, and two equivalent magnetic wall structures parallel to each other. The two equivalent electric wall structures and the two equivalent magnetic wall structures together enclose the coupling feed structure, and form a transverse electromagnetic mode (TEM) waveguide. The system includes a vector network analyzer, a to-be-tested antenna electrically connected to the vector network analyzer, and a transmission absorbing structure.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: November 28, 2023
    Assignee: 38TH RESEARCH INSTITUTE, CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
    Inventors: Xiaopeng Lu, Yan Li, Lei Sheng, Zicheng Zhou, Yufan Yao, Jialong Zhang
  • TRANSMISSION ABSORBING STRUCTURE AND ANTENNA IN-BAND CHARACTERISTICS TEST SYSTEM
    Publication number: 20230324444
    Abstract: This application provides a transmission absorbing structure and an antenna in-band characteristics test system, relating to design of microwave antennas for radar and communication systems. The transmission absorbing structure includes a coupling feed structure provided with coupling slots for energy coupling with a to-be-tested antenna, two equivalent electric wall structures parallel to each other, and two equivalent magnetic wall structures parallel to each other. The two equivalent electric wall structures and the two equivalent magnetic wall structures together enclose the coupling feed structure, and form a transverse electromagnetic mode (TEM) waveguide. The system includes a vector network analyzer, a to-be-tested antenna electrically connected to the vector network analyzer, and a transmission absorbing structure.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 12, 2023
    Inventors: Xiaopeng LU, Yan LI, Lei SHENG, Zicheng ZHOU, Yufan YAO, Jialong ZHANG