Instance specific digital watermarks

Details Instance specific digital watermarks Instance specific digital watermarks

2007-09-11

2007-09-11

Vu, Kim (Department: 2135)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S179000, C713S180000, C726S026000, C726S027000, C726S030000, C380S200000, C380S201000, C380S203000, C380S204000, C382S100000, C382S276000

Reexamination Certificate

active

10425828

ABSTRACT:
A method and apparatus for dynamically applying digital watermarks. Requested content is sent to a security module of a user device. A digital watermark is dynamically determined based at least on instance information about a rendering engine of the user device. The digital watermark is then rendered with the content using the rendering engine of the user device.

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