Patent ID: 7551738

Claim:
A copyright protection method ( 150 ) for one or more files comprising: storing said one or more files on at least one computer; employing ( 151 ) a first protection scheme for use within a single authorized domain, in which all interfaces are protected with a same digital rights management system; employing ( 152 ) a second protection scheme for use in inter-domain file transfers; and employing ( 153 ) a third protection scheme for external outputs not protected by a digital rights management system, wherein said third protection scheme includes one or more of: specifying copy protection information separately for one or more analog outputs, one or more digital uncompressed outputs and one or more digital compressed outputs; specifying a CGMS (Copy Generation Management System) Copy protection state; specifying MACROVISION parameters for one or more analog outputs; and specifying if a particular type of output is allowed at all, and disabling the particular type of output if the particular output type is not allowed.