Identifying the origin of hard-copy documents

Details Identifying the origin of hard-copy documents Identifying the origin of hard-copy documents

2006-03-27

2011-11-29

Srivastava, Vivek (Department: 2433)

Information security

Prevention of unauthorized use of data including prevention...

C726S022000, C726S028000, C726S023000

Reexamination Certificate

active

08069486

ABSTRACT:
Capturing information associated with a document is disclosed. An indication that a request to print a document is being transmitted is observed in network traffic associated with a printer. At a node other than the printer, data associated with the observed network traffic is processed to determine information associated with the request to print the document.

REFERENCES:
patent: 7328245 (2008-02-01), Hull et al.
patent: 7337472 (2008-02-01), Olsen et al.
patent: 7434048 (2008-10-01), Shapiro et al.
patent: 7512979 (2009-03-01), Koike et al.
patent: 2003/0009672 (2003-01-01), Goodman
patent: 2005/0188084 (2005-08-01), Tokishige et al.

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