Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-02-07
2006-02-07
Rosen, Nicholas D. (Department: 2165)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S051000, C369S047120, C369S053200, C369S053210, C369S084000, C360S015000, C360S060000, C386S349000
Reexamination Certificate
active
06996545
ABSTRACT:
A reproduction apparatus includes a demodulator which demodulates data modulated in accordance with a modulation rule, a temporal store which stores the data demodulated by the demodulator, an error-corrector which error-corrects the demodulated data stored in the temporal store based on an error correction code, the error-corrected data being stored in the temporal store, a reproducer which reproduces superimposed information concerning copying consent from the error-corrected data processed by the error-corrector and stored in the temporal store, and an output controller which performs output control of the error-corrected data based on the reproduced information concerning copying consent stored in the temporal store. The output controller stops outputting the error-corrected data if both (1) the error-corrected data was reproduced from a medium dedicated to reproduction and (2) the reproduced information concerning copying consent stored in the temporal store indicates that copying once was permitted.
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Nagai Yutaka
Takeuchi Toshifumi
Antonelli, Terry Stout and Kraus, LLP.
Rosen Nicholas D.
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