System for controlling the distribution and use of rendered digital works through watermarking
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United States of America Patent
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Mar 4, 2014
Issued Date -
N/A
app pub date -
Jun 13, 2012
filing date -
Feb 28, 1997
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Abstract
Method, apparatus, and media for embedding a watermark in digital content. An exemplary method comprises receiving digital content in an encrypted form, receiving a decryption key associated with the digital content, receiving permitted use information specifying conditions under which the digital content is permitted to be rendered and indicating that a watermark is to be embedded in a rendered copy of the digital content, determining whether the conditions are satisfied, and rendering the digital content if the conditions are satisfied based on the determining, the rendering including generating a watermark based on the permitted use information and creating a rendered copy of the digital content having the watermark embedded therein.
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