Electronic communications system for supplementary video program

Details Electronic communications system for supplementary video program Electronic communications system for supplementary video program

1973-09-20

1976-08-17

Wilbur, Maynard R.

Telegraphy

Systems

Simplex-reversing periodic

178DIG13, 325308, 325461, H04N 144

Patent

active

039755851

ABSTRACT:
A one-way cable communications system -- as for a lodging facility, distributes commercial and supplementary video programming from common equipment to spaced subscriber stations located, for example, in each hotel-motel room. Heterodyne converter apparatus is included at each station for viewing the supplementary programming on a standard television receiver.
The system includes common address and command transmitting, and room terminal receiving equipment to control the video reception mode for the several room terminals.

REFERENCES:
patent: 3231818 (1966-01-01), Court
patent: 3360730 (1967-12-01), Sims
patent: 3668307 (1972-06-01), Face et al.
patent: 3733430 (1973-05-01), Thompson et al.
patent: 3777053 (1973-12-01), Wittig et al.
patent: 3789131 (1974-01-01), Harney
patent: 3790700 (1974-02-01), Callais et al.

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