Patents by Inventor Frederic Neddam

Frederic Neddam 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).

  • Synchronizer for rz-wdm signals and method for synchronization
    Publication number: 20050175348
    Abstract: The invention is related to a synchronizer for more than one optical RZ signal in a wavelength multiplex transmission system comprising at least one variable delay line (1) with an input receiving RZ-WDM optical channels (2), at least one delay controller (3) receiving the RZ-WDM output optical channels (10), the delay controller generating a control signal depending on the power of the RZ-WDM output optical channels (10) and a control circuit (9) to control the at least one delay line (1) in such a way that the optical WDM channels are synchronized.
    Type: Application
    Filed: July 26, 2001
    Publication date: August 11, 2005
    Inventors: Frederic Neddam, Patrice Le Lourec, Patrick Brindel