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Pierre Charbonnel
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Betton, FR
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last 30 patents
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Patent Grant
Method and system for multiplexing audio and video signals to distr...
Patent number
5,150,211
Issue date
Sep 22, 1992
L'Etat Francais represente par le Ministre des P.T.T. (Centre National d'Etud...
Pierre Charbonnel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Insulator circuit with an optoelectronic coupler
Patent number
4,638,167
Issue date
Jan 20, 1987
Leseure; Jean-Yves
Jean-Yves Leseure
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process and apparatus for digital data communication using packet s...
Patent number
4,398,290
Issue date
Aug 9, 1983
Centre National d'Etudes des Telecommunications
Michel Mathieu
H04 - ELECTRIC COMMUNICATION TECHNIQUE