Patents by Inventor Marcel Georges Hebert

Marcel Georges Hebert 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: 3952208
    Abstract: An accurate and reliable device for controlling the position of a first body, of which the devices forms part, relative to a second body is described. The edge of the image of the second body is periodically moved over a row of radiation-sensitive detectors in a manner such that at most two detectors receive modulated radiation.
    Type: Grant
    Filed: February 1, 1974
    Date of Patent: April 20, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Francois Desvignes, Marcel Georges Hebert