High output smoke and heat detector alarm system utilizing a...

Details High output smoke and heat detector alarm system utilizing a... High output smoke and heat detector alarm system utilizing a...

G - Physics

01

T

358/21

G01T 1/18 (2006.01) G08B 17/06 (2006.01) G08B 17/11 (2006.01)

Patent

CA 1090483

HIGH OUTPUT SMOKE AND HEAT DETECTOR ALARM SYSTEM UTILIZING A PIEZOELECTRIC TRANSDUCER AND A VOLTAGE DOUBLING MEANS ABSTRACT OF DISCLOSURE A high output smoke detector alarm system includes a smoke detector having a low voltage power supply source and at least one ionization sensing chamber; and a high output audible alarm responsive to the smoke detector which includes a piezoelectric transducer and a voltage doubling circuit whereby a voltage is supplied to the piezoelectric transducer which is double the power supply source voltage.

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