Power cutting device for terminal units of CATV system

Details Power cutting device for terminal units of CATV system Power cutting device for terminal units of CATV system

1980-09-26

1984-03-27

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358190, 455 4, 455 5, 34082507, 340310A, H04N 718

Patent

active

044397844

ABSTRACT:
In a CATV system, power supplies of television sets associated with all terminal units are cut in response to an instruction contained in a down-data signal supplied by a central facility of the system. It is possible to cut the power supplies of the television sets, selectively and periodically, by incorporating address informations in the down-data signal.

REFERENCES:
patent: 3761914 (1973-09-01), Hardy et al.
patent: 3993955 (1976-11-01), Belcher et al.
patent: 4118669 (1978-10-01), Fung
patent: 4142156 (1979-02-01), Freund
patent: 4367455 (1983-01-01), Fried

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