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Jean Giachetti
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Rennes, FR
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last 30 patents
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Patent Grant
Process for the broadcasting of programmes with progressive conditi...
Patent number
5,742,681
Issue date
Apr 21, 1998
France Telecom
Jean-Luc Giachetti
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process for the broadcasting of conditional access programs permitt...
Patent number
5,442,701
Issue date
Aug 15, 1995
France Telecom Establissement Autonome de Droit Public
Louis Guillou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process for the transmission and reception of conditional access pr...
Patent number
5,349,641
Issue date
Sep 20, 1994
France Telecom Establissement Autonome de Droit Public
Francoise Coutrot
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pseudo-random generator
Patent number
5,218,559
Issue date
Jun 8, 1993
France Telecom Etablissement Autonome de Droit Public (Centre National d'Etud...
Didier Angebaud
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of transferring a secret, by the exchange of two certificate...
Patent number
5,218,637
Issue date
Jun 8, 1993
L'Etat Francais represente par le Ministre des Postes, des Telecommunications...
Didier Angebaud
G06 - COMPUTING CALCULATING COUNTING