Technique for promoting CATV pay-per-view events and acknowledgi

Details Technique for promoting CATV pay-per-view events and acknowledgi Technique for promoting CATV pay-per-view events and acknowledgi

1985-06-14

1987-10-13

Buczinski, Stephen C.

Cryptography

Key management

Having particular key generator

380 15, 380 20, H04N 7167

Patent

active

047003863

ABSTRACT:
In CATV systems employing one-way addressable converters in a subscriber's premise, a computer at the system head-end develops tagged messages for display on the subscriber's television to both promote upcoming pay-per-view events and to acknowledge a subscriber's order for the pay-per-view event.

REFERENCES:
patent: 3485941 (1969-12-01), Bass
patent: 4333107 (1982-06-01), McGuire et al.
patent: 4458268 (1984-07-01), Ciciora
patent: 4471379 (1984-09-01), Stephens
patent: 4536791 (1985-08-01), Campbell et al.

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