Light emitting smoke detector

Details Light emitting smoke detector Light emitting smoke detector

1978-02-21

1980-10-07

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

340326, 340636, 362253, G08B 1710, F21V 3300

Patent

active

042271916

ABSTRACT:
A smoke detector is provided having a smoke detection circuit coupled with an audible alarm and a high intensity light source. The high intensity light source is powered separately from the smoke detection and audible alarm system.

REFERENCES:
patent: 2278920 (1942-04-01), Evans et al.
patent: 3304545 (1967-02-01), Bell et al.
patent: 3634846 (1972-01-01), Fogiel
patent: 3810170 (1974-05-01), Zinsmeister
patent: 3922655 (1975-11-01), Lecuyer
patent: 4037206 (1977-07-01), Dobrzanski et al.
patent: 4074225 (1978-02-01), Vandeweghe

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