Method and apparatus for providing interactive electronic progra

Details Method and apparatus for providing interactive electronic progra Method and apparatus for providing interactive electronic progra

1994-04-19

1997-01-07

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

348 3, 348 7, 348 12, 348 13, 348906, H04N 700, H04N 710, H04N 7167

Patent

active

055925510

ABSTRACT:
A subscription television system is provided that transmits a plurality of television signals to a plurality of subscribers. The television signals include pay-per-view programs (purchased by feature) or near-video-on-demand programs (purchased for a period of time for unlimited viewing) that are provided only to subscribers that purchase the programs. Data representing an electronic programming guide is also transmitted. The electronic programming guide can be displayed by a subscriber terminal at the subscriber's location. The electronic programming guide is a grid listing television programs by date, time and channel. A subscriber can select programs for watching or recording from the electronic program guide. Moreover, the subscriber can purchase pay-per-view or near-video-on-demand programs from the electronic programming guide.

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