Secure distribution of video on-demand
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United States of America Patent
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Jan 20, 2004
Issued Date -
N/A
app pub date -
May 7, 2001
filing date -
Mar 12, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
In accordance with a first aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station for transmission of the video programming, the remote server decrypts the video programming, re-encrypts the video programming into a second encrypted form, and then transmits the video programming to the subscriber station. In accordance with a second aspect, a remote server receives video programming in a first encrypted form, decrypts the video programming, re-encrypts the video programming into a second encrypted form, and then stores the video programming. After the remote server receives a request from a subscriber station, the remote server simply transmits the video programming. In accordance with a third aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station, the remote server passes through the video content by transmitting the video programming. In accordance with a fourth aspect, a remote server receives pre-encrypted video programming and stores it. After the remote server receives a request from a subscriber station, the remote server completes encryption of the video programming and then transmits the video programming.
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