Fire alarm system and method

Communications: electrical – Condition responsive indicating system – Specific condition

Patent

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Details

G08B 1702

Patent

active

045203520

ABSTRACT:
A fire alarm system and method utilizes a heat-shrinkable material, such as a sheet of polyethylene plastic film, to break a thin foil conductor attached thereto and thereby activate an alarm.

REFERENCES:
patent: 3297846 (1967-01-01), Peltier
patent: 3500276 (1970-03-01), Hingorany et al.

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