Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2001-10-18
2009-02-03
Jung, David (Department: 2134)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C713S150000, C713S165000
Reexamination Certificate
active
07487363
ABSTRACT:
A system and method is disclosed for allowing content providers to protect against widespread copying of their content, while enabling them to give their customers more freedom in the way they use the content. In accordance with one embodiment, content providers identify their content as protected by watermarking the content. Consumers use compliant devices to access protected content. All of a user's compliant devices, or all of a family's devices, can be organized into an authorized domain. This authorized domain is used by content providers to create a logical boundary in which they can allow users increased freedom to use their content.
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Alve Jukka
Chiu Peter K.
Hietasarka Juha
Yan Zheng
Jung David
Morgan & Finnegan L.L.P.
Nokia Corporation
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