Patents by Inventor Barry Robert Fleury

Barry Robert Fleury 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).

  • Fibre optic communications network
    Patent number: 7336898
    Abstract: A security system for controlling access to an enclosed conduit along which runs fiber optic cable, the conduit having a cover for access to the cable, the system having a communications receiver and a modulator responsive to an output of the receiver for coupling non-intrusively to the fiber optic cable adjacent the cover, the communications receiver being responsive to the presence or absence of an access authorization signal from an operator to cause the modulator to introduce a signal to the fiber optic cable indicative of the authorization status.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: February 26, 2008
    Assignee: Radiodetection Limited
    Inventors: Richard William Fling, Barry Robert Fleury