Method and apparatus for implementing revocation in broadcast networks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 29, 2007
Grant Date -
N/A
app pub date -
Feb 15, 2000
filing date -
Feb 15, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of revoking a descrambling privilege for copy controlled content to a host device is provided. The method includes receiving copy controlled content at a conditional access module. A revocation list is also received at the module. The method includes determining whether the host device associated with the module is on the list. If so, the conditional access module will not descramble the content.
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