Universal interactive set-top controller for downloading and pla

Cryptography – Key management – Having particular key generator

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380 3, 380 4, 380 5, 380 20, 380 49, 348 6, 348 7, 348 10, 348 12, 455 31, 455 41, 455 42, 455 51, 455 61, 455 62, H04N 7167, H04L 900

Patent

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056404530

ABSTRACT:
A universal interactive control system for the downloading and playback of information and entertainment services from one or more network distribution centers, said one or more network distribution centers providing information and entertainment signals selected from video and audio programs, video catalogs, and data files, said universal interactive control system. The interactive control system includes: a controller circuit, a data distribution circuit controlled by the controller circuit, a data processor circuit controlled by the controller circuit, and a first plurality of interface connector circuits, with a first of the interface connector circuits for connecting the distribution circuit to a display device under control of the controller, and a second of the interface connector circuits for connecting the data distribution circuit to a storage device under control of the controller circuit.

REFERENCES:
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patent: 4450481 (1984-05-01), Dickinson
patent: 4590516 (1986-05-01), Abraham
patent: 4710955 (1987-12-01), Kauffman
patent: 4755872 (1988-07-01), Bestler et al.
patent: 5003384 (1991-03-01), Durden et al.
patent: 5133079 (1992-07-01), Ballantyne et al.

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