Patents Assigned to Comsat Telesystems, Inc.
  • Satellite tracking antenna system
    Patent number: 4920350
    Abstract: A ship borne antenna using a gimballed mount for establishing a two degree of freedom unstabilized structure. A ring is mounted for rotation on a radome and carries an antenna mounted for rotation relative to the ring. The ring antenna are respectively driven by stepper motors. Variations in stability occurring by pitch, yaw or roll of the ship are corrected on a real time basis using a microprocessor that dynamically drives the ring and the antenna to maintain lock-on with a satellite.
    Type: Grant
    Filed: July 6, 1988
    Date of Patent: April 24, 1990
    Assignee: Comsat Telesystems, Inc.
    Inventors: William H. McGuire, Thomas J. Tilden
  • Demand assigned reformatting with an overflow area for time division multiple access communication
    Patent number: 4763325
    Abstract: A time division multiple access communication system in which the repetitive frame is divided into fixed portions preallocated to separate stations and an overflow portion. Each station retains control of its own preallocated portion. Whenever one of the stations needs space that is not available in its preallocated portion, it requests a reference station for part of the overflow portion, which is relinquished as soon as the requirement stops.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: August 9, 1988
    Assignee: Comsat Telesystems, Inc.
    Inventors: William H. Wolfe, William P. Osborne