Pipeline information delivery system

Details Pipeline information delivery system Pipeline information delivery system

1987-01-27

1990-06-26

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 691, 370120, 370 73, 358 86, 455 3, H04H 108, H04J 102

Patent

active

049378210

ABSTRACT:
An information delivery system which continuously provides sets of information which can be selected by a user. Digital data is encoded as analog signals which are used to amplitude modulate a carrier signal. A plurality of such modulated carrier signals, each constituting a subchannel, are mixed together to form a single channel which can be delivered to a user over a cable or otherwise. The data provided on each carrier in the channel constantly repeats itself so that the entire set of data on a particular carrier wll be available to a user in a relatively short time regardless of the time of access by the user. A first subchannel contains an index to the remaining subchannels to allow user selection of a particular set of information.

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