Smoke detector

Details Smoke detector Smoke detector

1981-06-02

1984-09-11

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

179103, 250574, 250381, 340629, 340630, G08B 1710

Patent

active

044713460

ABSTRACT:
A portable, battery powered smoke detector in which the operative components are compactly and efficiently arranged in such a manner that they may be housed in a pocket-sized casing approximating the shape and size of a cigarette package. A further embodiment shows an efficiently organized arrangement of the smoke detector components in a telephone set.

REFERENCES:
patent: 2537028 (1951-01-01), Cahusac et al.
patent: 3500368 (1970-03-01), Abe
patent: 3710365 (1973-01-01), Barnes
patent: 3774186 (1973-11-01), Enemark
patent: 3846772 (1974-11-01), Peberdy
patent: 4030086 (1977-06-01), Salem
patent: 4063227 (1977-12-01), Peterson
patent: 4160503 (1979-07-01), Ohlbach
patent: 4223305 (1980-09-01), Arima
patent: 4302753 (1981-11-01), Conforti

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