Patents by Inventor Gregory E. Edlund

Gregory E. Edlund 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).

  • Satellite communications system
    Patent number: 7289460
    Abstract: Embodiments of the present invention are directed to a satellite communications system between satellites and terminal units that are sufficiently small to be handheld units and that operate within the earth power flux density limit. This is accomplished by using spreading spectrum waveform protocols that make efficient use of the allocated bandwidth. In one embodiment, a satellite communications system comprises at least one satellite, and at least one ground station each corresponding to one of the at least one satellite. Each ground station includes a spread spectrum transmitter and a spread spectrum receiver. Each of a plurality of mobile terminals includes a spread spectrum transmitter and a spread spectrum receiver.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: October 30, 2007
    Assignees: Lockheed Martin Corporation, General Dynamics Decision Systems, Inc.
    Inventors: John C. Thacker, Steven R. Peterson, Scott Blanchard, Gregory E. Edlund