Patents by Inventor Donald Gamble

Donald Gamble 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).

  • Simplified onboard attitude control based on star sensing
    Patent number: 6012000
    Abstract: An onboard star tracking system is used to provide continuous attitude data based on a fixed star catalog. An orbital position reference for the sensed star data is estimated from uploaded data. The attitude is calculated based solely on the star sensor data referenced to the estimated orbital position and compared to mission attitude to generate an attitude adjustment.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: January 4, 2000
    Assignee: Space Systems/Loral, Inc.
    Inventors: Thomas Joseph Holmes, Sun Hur-Diaz, Donald Gamble, John Higham