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Instance specific digital watermarks

  • US 7,269,735 B2
  • Filed: 04/30/2003
  • Issued: 09/11/2007
  • Est. Priority Date: 08/28/2000
  • Status: Expired due to Term
First Claim
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1. A system for dynamically applying digital watermarks to content comprising:

  • means for sending a request for use of content by a user device;

    means for forwarding the requested content to a security module of the user device;

    means for dynamically determining a digital watermark based at least on instance information about a rendering engine coupled to the security module of the user device;

    means for rendering the requested content to a display window using the rendering engine coupled to the security module of the user device; and

    means for applying said dynamically determined digital watermark to said display window.

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