Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-10-17
2006-10-17
Eddy, Elisca Pierre (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S057000, C705S059000
Reexamination Certificate
active
07124114
ABSTRACT:
A distribution server distributes A/V content to a recipient according to terms determined from information stored in a database of prior unauthorized copying attributed to that recipient. The copy distributed to the recipient includes identifications of the content and recipient embedded in it by an ID embedder employing a steganographic or watermarking technique. A detection server detects embedded ID's in A/V content sampled from various distribution channels, and provides the ID information to the distribution server to update the database of prior unauthorized copying.
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Eddy Elisca Pierre
Macrovision Corporation
Okumoto Victor
LandOfFree
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