System and method for allowing copying or distribution of a...

Details System and method for allowing copying or distribution of a... System and method for allowing copying or distribution of a...

2011-03-15

2011-03-15

Abrishamkar, Kaveh (Department: 2431)

Cryptography

Video cryptography

Copy protection or prevention

C380S201000

Reexamination Certificate

active

07907727

ABSTRACT:
A copy protection system and method for allowing copying or distribution of a copy protected signal is disclosed. One embodiment includes an apparatus and method for receiving a media signal in which a copy protection signal is embedded, receiving a control signal, generating a modified media signal by modifying or blanking at least a portion of the copy protection signal, if the control signal is configured to enable modification or blanking of the copy protection signal, and outputting the modified media signal.

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