SOFTWARE CONDITIONAL ACCESS SYSTEM FOR A MEDIA DELIVERY NETWORK
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
Nov 27, 2012
filing date -
Apr 2, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method for purchasing a media service from a media delivery service provider includes sending a request to the media delivery service provider requesting the media service and authenticating a media distribution device by comparing a permanent virtual circuit established between the media distribution device and the media delivery service provider with a predetermined permanent virtual circuit defined and programmed by the media delivery service provider. Upon determining the media distribution device is successfully authenticated, the method includes downloading a software key from the media delivery service provider to the media distribution device and automatically deleting the software key after a predetermined amount of time. Upon determining the media distribution device is not successfully authenticated, the method includes downloading displayable data to the media distribution device from the media delivery service provider.
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