Patents Assigned to Analytic Services, Inc.
  • Satellite continuous coverage constellations
    Patent number: 4809935
    Abstract: Satellite hemispheric and global coverage with a minimum number of satellites includes a three-satellite elliptic orbit constellation covering the entire Northern (or Southern) Hemisphere and a four-satellite constellation giving continuous global coverage.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: March 7, 1989
    Assignee: Analytic Services, Inc.
    Inventor: John E. Draim