Patents by Inventor Julien P. Sylvestre

Julien P. Sylvestre 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).

  • Method and a device for optically detecting the position of an object by measuring light reflected by that object
    Patent number: 7518738
    Abstract: This detection method comprises: a step during which a receiver measures the quantity of light reflected by an object when the object is illuminated by an emitter for at least two different emitter—receiver pairs on the same side relative to the object, a step of calculating at least two characteristic values from the measured values, and a step of determining at least one position of the object by directly reading a table indexed by the two characteristic values, the content of said table being predetermined and set before said measurement step.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: April 14, 2009
    Assignee: H2I Technologies
    Inventors: Gilles Cavallucci, Julien P. Sylvestre, Philippe G. Plantier