Device for generating a descrambling signal

Details Device for generating a descrambling signal Device for generating a descrambling signal

H - Electricity

04

L

H04L 9/32 (2006.01) G06T 1/00 (2006.01) H04N 1/32 (2006.01)

Patent

CA 2318131

A device for generating a descrambling signal comprises a first generator providing a descrambling base signal, a second generator providing a watermark signal, and means for combining the descrambling base signal and the watermark signal into a descrambling signal. The watermark signal generated by the second generator includes a device identification.

Ce dispositif, destiné à produire un signal de désembrouillage, comporte un premier générateur fournissant un signal de désembrouillage de base, un second générateur fournissant un signal filigrane ainsi qu'un équipement servant à combiner le signal de désembrouillage de base et le signal filigrane en un signal de désembrouillage. Le signal filigrane produit par le second générateur comporte un identifiant de dispositif.

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