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last 30 patents
Information
Patent Grant
Flextensor transducer
Patent number
4,970,706
Issue date
Nov 13, 1990
Thomson-CSF
Bernard Tocquet
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Tonpilz type piezoelectric transducer capable of operating alternat...
Patent number
4,811,307
Issue date
Mar 7, 1989
L'Etat Francais represente par le Delegue General pour l'Armement
Charles Pohlenz
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Electrio-acoustic transducers
Patent number
4,752,918
Issue date
Jun 21, 1988
Etat Francais
Didier Boucher
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Piezo transducers with mechanical amplification for very low freque...
Patent number
4,287,582
Issue date
Sep 1, 1981
Etat Francais represente par le Delegue General Pour l'Armement
Bernard Tocquet
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Underwater acoustic reflectors
Patent number
4,197,920
Issue date
Apr 15, 1980
Etat Francais represented by the Delegue General pour l'Armement
Philippe H. Cluzel
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Piezoelectric transducers and acoustic antennas which can be immers...
Patent number
4,151,437
Issue date
Apr 24, 1979
Etat Francais represente par le Delegue General Pour l'Armement
Bernard Tocquet
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Multi-driver piezoelectric transducers with single counter-masses,...
Patent number
4,100,527
Issue date
Jul 11, 1978
Etat Francais
Bernard Tocquet
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Low frequency acoustical piezo-electric transducer
Patent number
4,031,418
Issue date
Jun 21, 1977
Etat Francais
Philippe Cluzel
H04 - ELECTRIC COMMUNICATION TECHNIQUE