Patents by Inventor Joseph Foucard

Joseph Foucard 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).

  • Simultaneous integral multi-access transmission system on transmission lines by optical fibres
    Patent number: 4335463
    Abstract: Spectrum spread transmission system, particularly for telephone network, employing optical fibres.It comprises, for the emission part, a pseudo-random sequence generator, a multiplier, a transducer for transducing electrical signals into light and, for the reception part, a transducer transducing light into electrical signals, a pseudo-random sequence generator and a threshold detector. Synchronized emission clock and reception clock are provided.
    Type: Grant
    Filed: October 7, 1980
    Date of Patent: June 15, 1982
    Assignee: Crouzet
    Inventor: Joseph Foucard