Tracing content usage

Details Tracing content usage Tracing content usage

2005-08-01

2010-06-01

Simitoski, Michael J (Department: 2439)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S189000, C726S032000, C725S025000, C705S052000

Reexamination Certificate

active

07730313

ABSTRACT:
Disclosed is a system configured to process content to enable tracing of at least one of a multitude of subsequent uses of content by at least one user. The system provides for: making markable content from content, iteratively marking the markable content with information such as use information; and later extracting at least one of the iteratively applied marks.

REFERENCES:
patent: 6285774 (2001-09-01), Schumann et al.
Christopher, Lauren Ann et al. WIPO Publication WO/1998/033105, published Jul. 30, 1998.

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