Cryptography – Cryptanalysis
Patent
1994-08-02
1996-06-25
Cain, David C.
Cryptography
Cryptanalysis
380 70, H04N 7167
Patent
active
055307540
ABSTRACT:
A video-on-demand system in which catalog data is periodically transferred to the user sites, where it is stored. This catalog data includes listings of the video products available at the central station, so-called trailers or previews for certain of the video products, and lead-ins for the initial portions of certain products to provide a seamless lead in to program material ordered from the central station. In a preferred embodiment of the invention, menu driven software allows a user to control the display of catalog data and to order video products from the central station interactively with displayed catalog material.
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