Patents by Inventor Michel Eve

Michel Eve 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).

  • Device for separating two light signals emitted by sources having different wavelengths and transmitted in a single optical fiber
    Patent number: 4430572
    Abstract: A device for separating two light signals having different wavelengths transmitted in one and the same optical fiber, comprising an optical fiber terminating in two branched-off portions of fiber having in one case an extension of predetermined length, two photodetectors placed respectively at the output of said extension and of the other branched-off portion of fiber, delay means connected to the output of one of the photodetectors, differentiating means for receiving the signals generated by the delay means and the signals detected by the other photodetector, and an electronic processing circuit connected to the output of the differentiator.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: February 7, 1984
    Assignee: Lignes Telegraphiques Et Telephoniques
    Inventors: Michel Eve, Bernard Floch