Personal smoke and fire detector and warning unit

Details Personal smoke and fire detector and warning unit Personal smoke and fire detector and warning unit

1978-05-31

1981-12-08

Groody, James J.

Communications: electrical

Condition responsive indicating system

Specific condition

340629, 340630, 116 67R, 116DIG44, 250213A, 250574, 307311, G08B 1710, G08B 300

Patent

active

043050697

ABSTRACT:
This invention is a combination smoke and fire detection and alarm system that comprises a battery powered personal unit and an AC/DC sustaining unit. It provides audible and visual alarms and an emergency light. The personal unit plugs into the sustaining unit for battery charge and provides an additional smoke and fire detector when used in this mode.

REFERENCES:
patent: 3496558 (1970-02-01), Willson et al.
patent: 3524986 (1970-08-01), Harnden
patent: 3555532 (1971-01-01), White et al.
patent: 3774044 (1973-11-01), Langeron
patent: 3842259 (1974-10-01), Bruning
patent: 3906474 (1975-09-01), Lehsten
patent: 3980997 (1976-09-01), Berns et al.
patent: 4021792 (1977-05-01), Ludt et al.
patent: 4025915 (1977-05-01), Enemark
patent: 4065759 (1977-12-01), Handing
patent: 4088986 (1978-05-01), Boucher

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