Patents Represented by Attorney, Agent or Law Firm Terje Gudmestead
  • Patent number: 6323817
    Abstract: A method and apparatus for producing contiguous spot beam communications coverage on the Earth's surface are disclosed. The apparatus comprises an antenna system including two wide scan antennas and two narrow scan antennas. The two wide scan antennas are disposed substantially opposite each other, and the two narrow scan antennas are disposed substantially opposite each other and substantially normal to the wide scan antennas. The first wide scan antenna, second wide scan antenna, and first narrow scan antenna produce a first beam pattern on a planetary surface and the first wide scan antenna, second wide scan antenna, and second narrow scan antenna produce a second beam pattern on the planetary surface.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: November 27, 2001
    Assignee: Hughes Electronics Corporation
    Inventors: Parthasarathy Ramanujam, Stephen A. Robinson, Philip H. Law