Patents by Inventor Sylviane Gauthier

Sylviane Gauthier 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).

  • Pyroelectric detector and vidicon
    Patent number: 4492857
    Abstract: The invention relates to an ammonium phosphotellurate pyroelectric vidicon and detector.The pyroelectric detector comprises a dielectric material inserted between two parallel electrodes, said material being a monodomain ferroelectric monocrystal having a polaraaxis, wherein the said material is ammonium phosphotellurate of chemical formula:Te(OH.sub.6), 2[NH.sub.4 H.sub.2 PO.sub.4 ], [(NH.sub.4).sub.2 HPO.sub.4 ].
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: January 8, 1985
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Marie-Therese Averbuch, Andre Durif-Varambon, Sylviane Gauthier, Ion F. Nicolau, Jean C. Peuzin