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US8045748B2 - Watermark embedding functions adapted for transmission channels - Google
Patents US8045748B2 - Watermark embedding functions adapted for transmission channels …

Methods, devices and computer program products facilitate conditional access to a content
embedded with watermarks. For Such a content, when copy control rules associated with an …

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Methods, devices and computer program products facilitate embedding and extraction of
watermarks into and from a host content. Embedded watermarks include an automatically …

6,490,681 B1 12/2002 Kobayashi et al. 7486799 B2 2/2009 Rhoads 6,516,079 B1 2/2003
Rhoads et al. 7,502.759 B2 3/2009 Hannigan etal 6,522,770 B1 2/2003 Seder et al …

0001. The present invention generally relates to the field of watermarking of media signals
and more particularly to methods, devices and a media signal for simplifying embed ding of …

Content screening operations are facilitated in devices that receive a content that is subject
to screening obligations. When such a content is received at a device, a watermark …

6,233,684 B1 5, 2001 6,240,121 B1* 5/2001 6,249,870 B1 6, 2001 6,272,634 B1 8, 2001
6,285,774 B1 9, 2001 6,332,194 B1 12/2001 6,345,256 B1 2, 2002 6,353,672 B1 3, 2002 …