Patents by Inventor Jonathan Chi

Jonathan Chi 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).

  • Elliptically polarized cavity backed wideband slot antenna
    Patent number: 10992049
    Abstract: An elliptically polarized cavity backed wideband slot antenna with a planar log-periodic dipole is provided. Sufficiently large bandwidth is achieved with careful design of the dipole. Also, the antenna has constant E-field distribution and good impedance properties, and ensures a constant power ratio for vertical polarization and horizontal polarization over a broad frequency band.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: April 27, 2021
    Assignee: Nokia Shanghai Bell Co., Ltd.
    Inventors: Yan Cao, Jonathan Chi
  • ELLIPTICALLY POLARIZED CAVITY BACKED WIDEBAND SLOT ANTENNA
    Publication number: 20190267715
    Abstract: An elliptically polarized cavity backed wideband slot antenna with a planar log-periodic dipole is provided. Sufficiently large bandwidth is achieved with careful design of the dipole. Also, the antenna has constant E-field distribution and good impedance properties, and ensures a constant power ratio for vertical polarization and horizontal polarization over a broad frequency band.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 29, 2019
    Inventors: Yan Cao, Jonathan Chi