Circuit arrangement for controlled interconnection of signal sou

Communications: electrical – Continuously variable indicating – With meter reading

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Details

34087013, H04Q 900, G08C 1506

Patent

active

044954972

ABSTRACT:
A data transmission system for individually sensing a plurality of remote signal sources and interconnecting the selected signal source with one or more signal destinations by switch means at each signal source and at each signal destination.

REFERENCES:
patent: 3601543 (1971-08-01), Maniere
patent: 3872437 (1975-03-01), Cross
patent: 3876997 (1975-04-01), Farley et al.
patent: 3986169 (1976-10-01), Kobayashi et al.
patent: 4146750 (1979-03-01), Spiesman
patent: 4156112 (1979-05-01), Moreland
patent: 4399440 (1983-08-01), Douglas

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