Recording of scrambled digital data
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 30, 2004
Grant Date -
N/A
app pub date -
Aug 11, 2000
filing date -
Feb 13, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for transmitting and recording digital data is included. Further, a system for transmitting transmit scrambled audio data that is to be recorded on a mini disc reader is included. A system for transmission and recording of digital data includes transmission means adapted to prepare and transmit scrambled digital data together with at least one encrypted control word and a digital recording device adapted to receive and record the scrambled digital data and encrypted control word on a digital support. The digital recording device further includes an access control means adapted to decrypt the control word and thereafter descramble the digital data during playback.
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