Patents by Inventor Didier Drouault

Didier Drouault 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: 5389935
    Abstract: The system comprises, on the one hand, a network of radiogoniometers (4.sub.1. . . 4.sub.n) which are coupled to at least one computer and are arranged at well-determined locations of areas of a region, and on the other hand, a set of radio distress beacons (2) which are arranged inside vehicles (1) moving within the areas of the region. The computer (6) comprises means of processing information emitted by the distress beacons and means of connection for locating and identifying in the region the beacons emitting distress signals and for transmitting the corresponding information to the emergency services (9) closest to the places of emission by the beacons.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: February 14, 1995
    Assignee: Thomson-CSF
    Inventors: Didier Drouault, Jean Potage