METHOD FOR UPDATING DATA IN A SECURITY MODULE

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United States of America Patent

APP PUB NO 20130103941A1
SERIAL NO

13711014

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Abstract

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A method for updating operating data in a security module associated to a user unit for processing digital data broadcast in a transport stream, said unit being connected to a conditional access system transmitting, in said transport stream, to the security module a first stream comprising management messages includes: broadcasting a second stream of operating data patch messages, adding to the first stream of management messages, a trigger message to direct the security module to a conditional access system transmitting a second stream transporting suitable operating data patch messages if a current version of the operating data in the security module requires an update, updating the operating data of the concerned security module with the operating data patch messages from the second stream, directing the security module towards the conditional access system transmitting another stream based on an identifier of the conditional access system in the security module.

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Patent Owner(s)

Patent OwnerAddress
NAGRAVISION S AROUTE DE GENEVE 22-24 CHESEAUX-SUR-LAUSANNE 1033

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brique, Olivier Jongny, CH 22 126
Carrel, Xavier Le Mont-sur-Lausanne, CH 4 13
Fischer, Nicolas Versoix, CH 86 751
Kudelski, Henri Puidoux, CH 26 349

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