Fire alarm having a sensor on an extensible arm

Details Fire alarm having a sensor on an extensible arm Fire alarm having a sensor on an extensible arm

1978-01-23

1979-12-11

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specified housing

340586, 340628, 340691, G08B 1706

Patent

active

041785924

ABSTRACT:
A smoke and fire sensitive alarm system designed for portable operation all electronics, power supply and alarm in a single, compact unit which may be placed on any surface. The sensing portion of the alarm circuit is mounted remotely by virtue of a telescopic or folding arm in order to raise the sensing unit well above the floor level so that signs of a fire such as smoke or heat may be easily detected. The telescopic arm is connected to the main unit so that the entire unit may be easily transported.

REFERENCES:
patent: 2552331 (1951-05-01), Lamb
patent: 3258757 (1966-06-01), Burdwood
patent: 3908180 (1975-09-01), Braginsky

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