Electrically energized fire and/or intrusion detection system in

Details Electrically energized fire and/or intrusion detection system in Electrically energized fire and/or intrusion detection system in

1970-09-17

1976-04-13

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

200 6193, 340227C, 340276, G08B 1312

Patent

active

039507467

ABSTRACT:
An electrically energized fire and/or intrusion detection system is provided which includes an elongated electrically energized heat sensing element, and which also includes a plurality of spring-biased switching devices mechanically coupled to the heat sensing element to respond to tension variations therein to provide predetermined control effects, such as initiating alarms and/or activating appropriate fire suppression devices.

REFERENCES:
patent: 793775 (1905-07-01), Esser
patent: 1699663 (1929-01-01), Hess
patent: 3257530 (1966-06-01), Davies
patent: 3537093 (1970-10-01), Perret
patent: 3550120 (1970-12-01), Kompelien

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