Interactive video distribution systems – Access control or blocking – With encryption or scrambling of video signal
Reexamination Certificate
2011-03-22
2011-03-22
Miller, John W (Department: 2421)
Interactive video distribution systems
Access control or blocking
With encryption or scrambling of video signal
C725S100000, C725S139000, C725S142000, C725S151000
Reexamination Certificate
active
07913273
ABSTRACT:
A system and method for purchasing broadcast audio and/or video (audio/video) works. According to one embodiment, the system includes a data stream processor that receives a broadcast audio/video data stream and produces from the broadcast audio/video data stream a first audio/video output data stream and a second audio/video output data stream, wherein the broadcast audio/video data stream contains information corresponding to an audio/video work and the first audio/video output stream is in a format that can be recognized and processed by conventional audio/video reproducing equipment; a storage device that stores data included in the second audio/video output data stream, wherein the data corresponds to the audio/video work; and a user interface that enables a user of the system to input to the system an indication that the user desires to purchase the audio/video work.
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Del Beccaro David J.
Rosenberg Jeremy
Chowdhury Sumaiya A
Miller John W
Music Choice
Rothwell Figg Ernst & Manbeck P.C.
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