Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David G Grossman0
Date of Patent
January 27, 2009
0Patent Application Number
110815340
Date Filed
March 17, 2005
0Patent Primary Examiner
Patent abstract
Disclosed is a temporally threaded copyright management information watermark where fragile watermarks containing CMI are spread throughout a digital work temporally. In one embodiment of this invention, the copyright management information is divided into a multitude of copyright management information subparts; the copyright management subparts are applied to fragile sub-watermarks; and fragile watermarks are applied to temporally separated portions of the digital work.
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