Patents by Inventor Gérald Chretien

Gérald Chretien 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).

  • Patent number: 6545787
    Abstract: The invention concerns a method of communication between ground stations via satellites traveling around the Earth and forming part of a constellation overflying at least a major portion of the Earth, each ground station communicating during a particular time with a given satellite of the constellation. Two ground stations communicate via respective given satellites with which the stations are respectively communicating. To minimize the control means on board each satellite, the two satellites communicate via a predetermined communications link. A link of the above kind generally comprises one or more predetermined satellites.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: April 8, 2003
    Assignee: Alcatel
    Inventors: Régis Lenormand, Claude Argagnon, Jean Bouin, Gérald Chretien, Luc Delamotte, Laurent Roullet, Philippe Voisin