Supervising arrangement

Details Supervising arrangement Supervising arrangement

1983-05-05

1986-05-06

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340500, 340517, 340525, G08B 2900

Patent

active

045875154

ABSTRACT:
A supervising arrangement for a transmission system, having an alarm system which displays alarm signals from different apparatus by indication lamps. All the indication lamps which are lit are extinguished by operation of a central key to effect alarm suppression. The indication lamps of still existing alarms light up and go dark again after further operation and release of the key.

REFERENCES:
patent: 4117479 (1978-09-01), Galvin et al.

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