Patents by Inventor Jean-Claude Gautherin

Jean-Claude Gautherin 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: 5114231
    Abstract: The subject of the invention is a spectroscopic analysis device comprising a light source, a light analyzer comprising an entrance slit, a diffraction grating and at least one exit slit which are disposed along a Rowland circle, and an optical transmission system.According to the invention, the entrance slit (3) is mounted so as to be displaceable along the Rowland circle (1), on either side of a central position, the optical transmission system comprises a first, fixed part (I) associated with the light source (5; 8) and a second, movable part (II) associated with the entrance slit (3) and mounted so as to be displaceable parallel to itself in a direction (a.sub.1, a.sub.2 ; b.sub.1, b.sub.2 ; c.sub.1, c.sub.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: May 19, 1992
    Assignee: Instrument SA
    Inventors: Jean-Claude Gautherin, Henri Zegre
  • Patent number: 4675860
    Abstract: Multiplexer-demultiplexer device for wavelengths in an optical transmission fiber (6) for introducing therein a wavelength from an emitter (18) and for extracting wavelengths therefrom towards receivers (19), comprising several spherical mirrors (13-14) at least one of which (3) is a selective mirror with dielectric layers, selected to segregate by transmission or reflection a band containing only one of the wavelengths transmitted, or to be transmitted, by the fiber (6). The invention applies to telecommunications employing optical fibers.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: June 23, 1987
    Assignee: Instruments S.A.
    Inventors: Jean-Pierre Laude, Jean Flamand, Jean-Claude Gautherin