Patents Examined by Tho Pham
  • End-fire antenna or array on surface with tunable impedance
    Patent number: 6496155
    Abstract: A steerable antenna and method of steering a radio frequency wave received by and/or transmitted from the antenna. The antenna includes a tunable high impedance surface and at least one end-fire antenna disposed on said surface. The method includes varying the impedance of the tunable high impedance surface.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: December 17, 2002
    Assignees: HRL Laboratories, LLC., Raytheon Company
    Inventors: Daniel Sievenpiper, Jar Jar Lee, Stan Livingston