Method and apparatus for an adapter card providing conditional access in a communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 10, 2000
Grant Date -
N/A
app pub date -
Apr 9, 1999
filing date -
Nov 14, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for an adapter card, for use in a computer, to provide conditional access by the computer to incoming data streams while maintaining the security of information by maintaining a listing of addresses corresponding to data streams which the computer is authorized to receive, receiving and determining the address of a frame, determining whether the frame address matches an address maintained in an Access Table, and processing and transmitting only those frames of data streams which the computer is authorized to receive.
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