Audible alarm device

Details Audible alarm device Audible alarm device

G - Physics

01

D

340/203, 84/1.1

G01D 7/00 (2006.01) B60Q 5/00 (2006.01) G08B 3/10 (2006.01) G08B 19/00 (2006.01)

Patent

CA 1039824

Abstract of the Disclosure A piezoelectric transducer is utilized in con- junction with a tone generator, a pulsator means, and a transient protection means to produce an audible alarm in response to various input electrical signals.

218911

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