Patents by Inventor Gerard Buffa

Gerard Buffa 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).

  • System for transmitting digital signals over an optical fiber
    Patent number: 4504975
    Abstract: The receiver of an optical-fiber transmission system comprises a device for restoring each digital signal comprising a first comparator comparing the level of the electric signal with a first reference level and generating a signal when the level of the electric signal is less than the reference level, a second comparator comparing the level of the electric signal with a second reference level and generating a signal when the level of the electric signal is greater than the reference level, and a summator summing the signals generated by the two comparators.
    Type: Grant
    Filed: January 11, 1983
    Date of Patent: March 12, 1985
    Assignee: Lignes Telegraphiques et Telephoniques-L.T.T.
    Inventors: Bertrand Jarret, Rose Cordier, Gerard Buffa