Multi-input electrical monitor

Details Multi-input electrical monitor Multi-input electrical monitor

1990-05-21

1991-08-27

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340513, 340521, G08B 2300

Patent

active

050437003

ABSTRACT:
A multi-input electrical monitor has a plurality of input terminals for connection to a plurality of condition responsive transducers whereby the input terminals receive electrically both high and low signals when the transducers respond to respective preselected conditions; a signal generator responds to the existance of such conditions when particular combinations of such electrically high and/or low signals are received by the input terminals.

REFERENCES:
patent: 3289193 (1966-11-01), Worthington et al.
patent: 3950745 (1976-04-01), Miller
patent: 3978478 (1976-08-01), Schmitz
patent: 4204201 (1980-05-01), Williams et al.
patent: 4536747 (1985-08-01), Jensen

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