Dynamic copy protection of optical media

Information security – Prevention of unauthorized use of data including prevention...

Reexamination Certificate

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Details

C713S193000, C726S033000

Reexamination Certificate

active

07661143

ABSTRACT:
A method for copy protection includes receiving data in a recording module representing content to be recorded on a recording medium, the data including an indication that the content is to be protected from unauthorized copying. Responsive to the indication, the recording module signals a protection module to initiate a protection protocol in synchronization with the recording module. The protection module generates control information, so as to prevent the unauthorized copying of the content that is to be protected, and conveys the control information to the recording module, in accordance with the protocol. The recording module combines the control information with the data representing the content in the recording module, for recording on the recording medium.

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