Patents by Inventor Michael Gladwin

Michael Gladwin 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: 6339709
    Abstract: There is described a system and method for locating, and optionally monitoring the status of, a mobile entity in a given area fitted with a radio beacon. In one embodiment, the system features a network of bi-directional radio beacons which transmit on the same frequency at random intervals. A method for processing and relaying unique message identifiers throughout the system is disclosed which allows the vicinity of the mobile entity to be determined from any beacon in the network.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: January 15, 2002
    Assignee: Commonwealth Scientific & Industrial Research Organisation
    Inventors: Michael Gladwin, David Dekker