Wire broadcasting system with subscriber controlled switched pro

Details Wire broadcasting system with subscriber controlled switched pro Wire broadcasting system with subscriber controlled switched pro

1980-07-23

1981-11-24

Britton, Howard

Facsimile and static presentation processing

Static presentation processing

Attribute control

455 6, H04N 710

Patent

active

043027717

ABSTRACT:
A wired broadcasting system comprising a central station at which a plurality of television signals are made available, a plurality of exchanges connected to the central station by a plurality of trunk cables on which the television signals are broadcast, and a plurality of subscriber units each connected to an exchange. Each subscriber unit is provided with means for controlling a respective selector at the exchange to select a desired one of the program signals for transmission to that subscriber. Each trunk cable carries a plurality of frequency division multiplexed signals and each selector comprises a first selecting means for selecting the signals on one said trunk cable and a second selecting means for selecting one of the signals on said one trunk cable for transmission to the respective subscriber unit.

REFERENCES:
patent: 4035838 (1977-07-01), Bassani
patent: 4064460 (1977-12-01), Gargini

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