Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Geoffrey B. Rhoads0
Date of Patent
November 22, 2005
0Patent Application Number
101020260
Date Filed
March 19, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Images are steganographically marked with codes that can be used, e.g., by reference to a remote registry, to identify the image proprietors. Some embodiments pre-mark blank emulsion film or paper products with such codes, so that images formed thereon can be traced back to their proprietors. A variety of other embodiments and technologies are also disclosed.
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