William B Boyle, Alan P Rice: Digital video recorder employing a unique ID to interlock with encrypted video programs stored on a storage device. Keen Personal Technologies, Keen Personal Media, Milad G Shara Esq, Howard H Sheerin Esq, February 8, 2005: US06853731 (148 worldwide citation)

The present invention may be regarded as a digital video recorder (DVR) comprising a storage device for storing an encrypted video program, a unique ID for interlocking the encrypted video program with the digital video recorder, and a cryptography facility. The cryptography facility comprises an en ...

Patrick Ladd, George W Sarosi: Method and apparatus for network association of content. Time Warner Cable Enterprises, Gazdzinski & Associates PC, April 17, 2018: US09948985

Methods and apparatus for perform association of stored content downloaded over a network with a unique identification. In one embodiment, the content is stored locally, and the association is performed in a secure manner using network or source-specific information (e.g., the organization identific ...

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