Patents by Inventor Stephane Lassalle

Stephane Lassalle 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).

  • Microwave location system
    Patent number: 5430455
    Abstract: A microwave system for locating a mobile element comprises a hollow tube forming a waveguide fed with microwave signals. A location beacon radiates into free space an electromagnetic wave derived from the microwave signals propagating in the waveguide. A location antenna attached to the mobile element receives the electromagnetic wave radiated by the beacon. The location beacon transmits to the antenna a single electric field signal enabling transmission of a location message.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: July 4, 1995
    Assignee: GFC Alsthom S A
    Inventors: Marc Heddebaut, Marion Berbineau, Stephane Lassalle, Pierre Degauque