4. Interactive video distribution systems
  5. Access control or blocking
  6. With encryption or scrambling of video signal

Philippe Stransky

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Impulse purchase system for pay-television

Interactive video distribution systems – Access control or blocking – With encryption or scrambling of video signal
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Method and device for updating reception rights in a...

Interactive video distribution systems – Access control or blocking
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Method for controlling access to encrypted data

Cryptography – Communication system using cryptography – Data stream/substitution enciphering
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Method for granting customers access to a product

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
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Method for securing an electronic certificate

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
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Profile ID: LFUS-PAI-P-2176224

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