Patents by Inventor Cristopher Janz

Cristopher Janz 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 differentiation device
    Patent number: 6628855
    Abstract: An optical device for the differentiation of a first optical signal and an optical signal lagging behind the first, in which the differentiation is represented by a signal carried by a continuous wave passing through the two arms of an interferometer including media with an index that depends on the optical power passing through them. The delayed signal is the first signal fed back to one of the arms through a delay.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: September 30, 2003
    Assignee: Alcatel
    Inventors: Alexandre Shen, Jean-Guy Provost, Fabrice Devaux, Bernd Sartorius, Tolga Tekin, Michael Schlak, Cristopher Janz