4,199,788 4,225,967 4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610 4,464,656 4497,
060 4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 …

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 …

Methods, devices, systems and computer program products facilitate embedding and
extraction of transactional water marks into and from a video content. One method for select …

US PATENT DOCUMENTS 3,406,344 A 10/1968 Hopper 3,842,196 A 10/1974 Loughlin
3,885,217 A 5, 1975 Cintron 3,894,190 A 7, 1975 Gassmann 3,919,479 A 11/1975 Moon et …

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 …

Methods and devices are provided to embed imperceptible watermarks into a host content
and to subsequently extract embedded watermarks in a manner so as to achieve desired …

4,639,779 4,669,089 4,677.466 4,686,707 4,703,476 4,706,282 4,723,302 4,729,398
4,739,398 4,750,173 4,755,871 4,755,884 4,764,608 4,764,808 4,789,863 4,805,020 …

Systems and methods are provided for monitoring transmis sions of media content (Such as
audio and audiovisual con tent) in order to obtain independent and objective data regard ing …

Methods, devices, systems and computer program products facilitate embedding and
extraction of transactional water marks into and from a video content. One Such method …

4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610 4,464,656 4497, 060 4,512,013
4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 4,703,476 …