Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 23, 2009
Patent Application Number
10933011
Date Filed
September 2, 2004
Patent Primary Examiner
Patent abstract
A copyright protection method and apparatus employ a first protection scheme within a single authorized domain, in which all interfaces are protected with digital rights management system, and employ a second protection scheme for use in inter-domain file transfers. The method and apparatus employ a third protection scheme for external outputs not protected by a digital rights management system.
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