Patents by Inventor Clyde Callewaert

Clyde Callewaert 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).

  • Antenna system
    Patent number: 7420512
    Abstract: An antenna system for a radio frequency identification system comprising: (a) a base; (b) a first patch antenna disposed on the base and having a circular polarization and adapted to convert between electrical signals and electromagnetic fields; and (c) a second patch antenna disposed on the base and having a circular polarization and adapted to convert between electrical signals and electromagnetic fields, the second antenna being disposed at a distance from the first antenna to define a region between the first and the antenna, the second patch antenna being positioned relative to the first patch antenna such that the electromagnetic fields of the two antennas are substantially opposing in the region.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: September 2, 2008
    Assignee: M/A-COM, Inc.
    Inventors: Matthew Lannon, Clyde Callewaert
  • Antenna system
    Publication number: 20070080809
    Abstract: An antenna system for a radio frequency identification system comprising: (a) a base; (b) a first patch antenna disposed on the base and having a circular polarization and adapted to convert between electrical signals and electromagnetic fields; and (c) a second patch antenna disposed on the base and having a circular polarization and adapted to convert between electrical signals and electromagnetic fields, the second antenna being disposed at a distance from the first antenna to define a region between the first and the antenna, the second patch antenna being positioned relative to the first patch antenna such that the electromagnetic fields of the two antennas are substantially opposing in the region.
    Type: Application
    Filed: August 2, 2005
    Publication date: April 12, 2007
    Applicant: M/A Com, Inc.
    Inventors: Matthew Lannon, Clyde Callewaert