Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1983-06-20
1985-05-28
Ciarlante, Anthony V.
Communications: electrical
Condition responsive indicating system
Specific condition
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.
Ciarlante Anthony V.
Fire Trumpet of America, Inc.
Mosely Neal J.
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