Remote alarm system for detection of fire extinguisher removal

Details Remote alarm system for detection of fire extinguisher removal Remote alarm system for detection of fire extinguisher removal

1976-02-23

1977-01-11

Caldwell, John W.

Communications: electrical

Systems

Call station

340256, 340409, 339 80, G08B 2100

Patent

active

040030482

ABSTRACT:
A detection and alarm system for detecting and removal of a fire extinguisher from its usual location including an electrically conductive breakaway lanyard positioned around the neck of the fire extinguisher, its ends connected to two male prongs plugged into a female receptacle of a supervisory circuit leading to an alarm circuit. When the supervisory circuit is interrupted by the removal of a fire extinguisher, a relay trips the alarm circuit.

REFERENCES:
patent: 3145375 (1964-08-01), Webb
patent: 3781861 (1973-12-01), Adler et al.

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