H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/22 (2006.01) H04N 7/167 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2263753
The invention concerns a method and equipment for allocating to a television programme already conditionally accessed a complementary conditional access. The method consists in the following steps: receiving a message by means (102A, 112) provided with access rights to a programme, restoring the control words, constituting complementary access control and access entitlement messages corresponding to a complementary access system and re-emitting the unmodified initial programme with, in addition, the complementary messages linked to the complementary access control. The invention is applicable in the field of television.
Selon l'invention, on reçoit le message à l'aide de moyens (102A, 112) pourvus des droits d'accès au programme, on restitue les mots de contrôle, on constitue (102B, 114) des messageries complémentaires de contrôle d'accès et de gestions des titres d'accès correspondant à un système de contrôle d'accès complémentaire et l'on réémet le programme initial non modifié avec, en outre, les messages complémentaires liés au système de contrôle d'accès complémentaire. Application en télévision.
France Telecom
Goudreau Gage Dubuc
Telediffusion de France
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