Patents by Inventor Omar Messlem

Omar Messlem 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: 6972663
    Abstract: A method for detecting portable objects from a network of N antennae controlled by a centralized management unit. Signals are simultaneously emitted by the management unit to all antennae. Resulting response signals from antennae that have detected a portable object are received by the management unit. Each object thus detected is successively selected from these signals according to a pre-established sequence. The invention applies in particular to access control.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: December 6, 2005
    Assignee: Gemplus
    Inventors: Omar Messlem, Philippe Porte, Denis Praca