Patents by Inventor Mouhamed Chawki

Mouhamed Chawki 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).

  • Optical transmission process by wavelength shifting and corresponding system
    Patent number: 5243608
    Abstract: Process for optical transmission by wavelength shifting and corresponding system. According to the invention, a wavelength hop corresponding to a mode hop of the laser is performed. The laser (20) is supplied by two currents, which fix the emission wavelengths (.lambda.1, .lambda.2).
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: September 7, 1993
    Assignee: France Telecom Etablissement autonome de droit public (Centre National d'Etudes des Telecommunications)
    Inventors: Mouhamed Chawki, Patrice Potier, Rene Auffret