Patents by Inventor Tommyhing-K H. Lam

Tommyhing-K H. Lam 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).

  • Circularly polarized horn antenna
    Patent number: 7852277
    Abstract: In some embodiments, a circularly polarized horn antenna may include a circular polarizer having a step shape. In some embodiments, a circularly polarized horn antenna may include a choke that is offset in position with respect to the antenna aperture. Such antennas may have a relatively constant beamwidth with respect to frequency, compact size, and/or low weight.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: December 14, 2010
    Assignee: Lockheed Martin Corporation
    Inventor: Tommyhing-K H. Lam
  • Circularly polarized horn antenna
    Publication number: 20090033579
    Abstract: In some embodiments, a circularly polarized horn antenna may include a circular polarizer having a step shape. In some embodiments, a circularly polarized horn antenna may include a choke that is offset in position with respect to the antenna aperture. Such antennas may have a relatively constant beamwidth with respect to frequency, compact size, and/or low weight.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 5, 2009
    Applicant: Lockhead Martin Corporation
    Inventor: Tommyhing-K H. Lam