Patents Examined by Michael Wimer
  • Tunable antenna system
    Patent number: 8063839
    Abstract: A technique for tuning an antenna may include one or more of the following: working against a ground plane, utilizing the third dimension by alternating layers on a substrate, integrating an inductive short stub in the substrate to improve port matching, and making a tuning port available for capacitive loading and resonance modification.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: November 22, 2011
    Assignee: Quantenna Communications, Inc.
    Inventors: Saied Ansari, Behrooz Rezvani
  • Asymmetrical biconical horn antenna
    Patent number: 4947181
    Abstract: An improved biconical horn antenna having a broad azimuthal beamwidth and an asymmetrical elevation beam pattern. The antenna comprises two conical sections mounted against a grounded backplane with the tapered ends of the sections facing each other. The sections are of unequal size and have curved edges. The antenna is fed by a rectangular waveguide passing through the backplane between the tapered ends of the sections.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: August 7, 1990
    Assignee: Raytheon Company
    Inventors: Kenneth W. Duncan, George S. Hardie, Robert Jobsky, Michael J. Maybell, Steven T. Wada