Patents by Inventor Jean Perodjon

Jean Perodjon 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).

  • Optical system for scanning a part with a beam and especially an ultrasonic or electromagnetic beam
    Patent number: 4352294
    Abstract: The constructional arrangement and position of an optical system with respect to a part under inspection are such that the caustic formed within the part by the optical system by refraction of an ultrasonic or electromagnetic beam is concentrated on an axis at right angles to the surface of the part. Scanning of parts having different shapes can be performed to any predetermined depth by means of a single focusing transducer while a constant distance is maintained between the part and the transducer.
    Type: Grant
    Filed: September 9, 1980
    Date of Patent: October 5, 1982
    Assignee: Commissariat a l'Energie Atomique
    Inventor: Jean Perodjon