Patents by Inventor Georges Levasseur

Georges Levasseur 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).

  • Frequency summing device
    Patent number: 3938061
    Abstract: Frequency summing device comprising a summing element effecting the summing of the output signals of a first multiplier receiving a signal whose frequency is f and a signal whose frequency is F and of a second multiplier receiving the signal whose frequency is f and the signal whose frequency is F after dephasing by 90.degree.. The dephasing by 90.degree. is obtained by a complex circuit comprising three elementary dephasers in series provided with an attenuator and an adder effecting the sum of the output signals of the attenuator and of the first dephaser.
    Type: Grant
    Filed: December 20, 1973
    Date of Patent: February 10, 1976
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventors: Georges Levasseur, Michel Garconnat