Patents by Inventor Etienne C. Montel

Etienne C. Montel 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: 5606591
    Abstract: A method of measuring the dimensions of the optical focus of an X-ray tube is described which consists of producing an X-ray image of the optical focus on a fine-grained X-ray-sensitive film, illuminating the radiogram obtained by means of a lamp emitting homogeneous radiation and taking a video image of the radiogram by means of a video camera, processing the video image so as to obtain a digitized image of the optical focus, and measuring the dimensions of the optical focus from the digitized image obtained.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: February 25, 1997
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventors: Etienne C. Montel, Veronique H. M. P. Prejean-Lefevre