Patents by Inventor Frank Rosset

Frank Rosset 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).

  • Process for creating several data circuits on an optical fiber and device for embodiment of the process
    Patent number: 6256427
    Abstract: This invention relates to a process for setting up several data paths on a single optical transmission fiber, including a modulation step consisting, for each data path, of modulating a light source with a specific wave length by signals corresponding to said data path, a step transmitting the modulated light signals to a mixer and a step of chromatically separating the light signals transmitted by the optical fiber, characterized in that the signals are multiplexed by an integrating sphere coated on the inside with a reflecting surface and including a plane reflector oriented perpendicular to the axis of the transmission optical fiber.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: July 3, 2001
    Assignees: Labaratoire de Physique du Rayonnement et de la Lumiere - LPRL
    Inventors: Philippe Gravisse, Marc Schiffmann, Frank Rosset