Patents by Inventor Kamel Dougdag

Kamel Dougdag 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).

  • Anti-PMD system for optical fibers
    Patent number: 7383703
    Abstract: An anti-PMD system comprises a pulley which oscillates in rotation and applies a torsion torque alternately in the clockwise direction and in the counterclockwise direction to an optical fiber during drawing of the optical fiber to reduce its PMD. A portion of a peripheral external surface of the pulley intended to be in contact with the optical fiber during drawing is convex.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: June 10, 2008
    Assignee: Draka Comteq B.V.
    Inventors: Eric Lainet, Kamel Dougdag, Jean-François Bourhis
  • Anti-PMD system
    Patent number: 7209604
    Abstract: The invention provides an anti-PMD system comprising: an anti-PMD pulley (1) over which an optical fiber (4) is to roll and which is mounted to rotate about an axis of rotation (ar); and at least two optical fiber guide devices (2, 3) situated on either side of the anti-PMD pulley (1); the axis of rotation (ar) of the anti-PMD pulley (1) being stationary; the only degree of freedom of the anti-PMD pulley (1) being rotation about the axis of rotation (ar) of the anti-PMD pulley (1); and at least one of the guide devices (2, 3) being movable in translation in a translation direction (dt) that is not orthogonal to the axis of rotation (ar) of the anti-PMD pulley (1).
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: April 24, 2007
    Assignee: Alcatel
    Inventors: Kamel Dougdag, Eric Lainet
  • Anti-PMD system
    Publication number: 20050018943
    Abstract: The invention provides an anti-PMD system comprising: an anti-PMD pulley (1) over which an optical fiber (4) is to roll and which is mounted to rotate about an axis of rotation (ar); and at least two optical fiber guide devices (2, 3) situated on either side of the anti-PMD pulley (1); the axis of rotation (ar) of the anti-PMD pulley (1) being stationary; the only degree of freedom of the anti-PMD pulley (1) being rotation about the axis of rotation (ar) of the anti-PMD pulley (1); and at least one of the guide devices (2, 3) being movable in translation in a translation direction (dt) that is not orthogonal to the axis of rotation (ar) of the anti-PMD pulley (1).
    Type: Application
    Filed: June 16, 2004
    Publication date: January 27, 2005
    Inventors: Kamel Dougdag, Eric Lainet
  • Anti-PMD system
    Publication number: 20040045324
    Abstract: An anti-PMD system comprises a pulley which oscillates in rotation and applies a torsion torque alternately in the clockwise direction and in the counterclockwise direction to an optical fiber during drawing of the optical fiber to reduce its PMD. A portion of a peripheral external surface of the pulley intended to be in contact with the optical fiber during drawing is convex.
    Type: Application
    Filed: August 28, 2003
    Publication date: March 11, 2004
    Applicant: ALCATEL
    Inventors: Eric Lainet, Kamel Dougdag, Jean-Francois Bourhis