System, method, and apparatus for television signal scrambling a

Details System, method, and apparatus for television signal scrambling a System, method, and apparatus for television signal scrambling a

1983-10-31

1987-07-21

Buczinski, Stephen C.

Cryptography

Key management

Having particular key generator

34082531, 235487, 235492, 380 15, H04N 716, G06K 1906, G06F 704

Patent

active

046822240

ABSTRACT:
A system for providing intelligible video program signals and corresponding video synchronization signals to authorized video displays only comprising transmitting means for transmitting scrambled signals of at least one video program; a receiver for receiving said scrambled video program signals for said at least one video program; and a descrambling unit coupled to said receiver and including an electronic ticket removably coupled to the input of said video receiver for intercepting and descrambling the at least one scrambled video program signal from said receiver and recovering the synchronizing signals, and means coupling the recovered synchronization sweep signals and the unscrambled intelligible video program signals to said video display.

REFERENCES:
patent: 3242258 (1966-03-01), Salit et al.
patent: 3531582 (1970-09-01), Walker
patent: 3736369 (1973-05-01), Vogelman et al.
patent: 3813482 (1974-05-01), Blonder
patent: 3890461 (1975-07-01), Vogelman et al.
patent: 3906201 (1975-09-01), Housman et al.
patent: 4081832 (1978-03-01), Sherman
patent: 4210900 (1980-07-01), Shavit
patent: 4433207 (1984-02-01), Best
patent: 4471379 (1984-09-01), Stephens
patent: 4528588 (1985-07-01), Lofberg

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