Patents Assigned to Space Sonics, Inc.
  • Scanning horizon sensors using an inner and an outer radiation senstive detector
    Patent number: 5095199
    Abstract: Method and apparatus for accurately determining the horizon position of a celestial body is disclosed in the form of inner and outer detector portions arranged generally-concentrically relative to an optical axis. Difference-determining electrical circuitry determines a difference between the outputs of the two detectors.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: March 10, 1992
    Assignees: Ithaco Incorporated, Space Sonics, Inc.
    Inventors: Vaughn Selby, James J. Fallon