Patents by Inventor Christian Encrenaz

Christian Encrenaz 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).

  • Polychromatic acousto-optical deflector
    Patent number: 4798449
    Abstract: An incident beam (5) composed by a plurality of rays passes through a crystal (1') in which the rays of given wavelengths (.lambda.1, .lambda.2, .lambda.3) are modulated and deflected to be recieved by respective mirrors including a most distant mirror which is furthest from the crystal (1') and is a conventional optical mirror reflecting along an optical axis (42), while the intermediate mirrors (40, 41) are holographic mirrors which reflect the other rays (.lambda.2, .lambda.1) collinearly along the same optical axis (42).
    Type: Grant
    Filed: April 21, 1987
    Date of Patent: January 17, 1989
    Assignee: Societe Francaise d'Equipments pour la Navigation Aerienne & Societe Automates et Automatismes
    Inventors: Didier Vichon, Dominique Bardon, Christian Encrenaz