Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Reexamination Certificate
2005-03-15
2005-03-15
Morse, Gregory (Department: 2134)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
C713S157000, C713S177000, C713S182000, C713S185000, C380S277000
Reexamination Certificate
active
06868497
ABSTRACT:
To stop illegal digital content distribution, IDs will be included in the content. However, current ideas of how to use the IDs are unacceptable. The automatic ID management process and apparatus increases the ease of access to protected content for the consumer, with desired content protection and minimal implementation costs. The process includes tracking the IDs of the previously accessed content of a rendering device, reviewing rules contained within the new content and rendering device, and restricting access if the new content does not meet the rules. For example, devices may be limited to accessing content with N different IDs over a specific time period, where the time period is influenced by the number of times content with a specific ID is accessed. The apparatus includes a logic processor and memory that implements the automatic ID management process.
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Digimarc Corporation
Digimarc Corporation
Lipman Jacob
Morse Gregory
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