Piezoelectric transducer systems

Details Piezoelectric transducer systems Piezoelectric transducer systems

2007-12-18

2007-12-18

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S324000

Reexamination Certificate

active

10517057

ABSTRACT:
A transducer assembly has a generally planar resonator (12) (such as a disc) bonded on one face to a sheet of piezoelectric material (12B) and having a mounting flange (12C) (which may extend all around the periphery of the resonator) to mount the resonator between inner (13) and outer (11) mounting elements such as rings. An electric circuit (24) drives the piezoelectric sheet (12B) and, when used for sound generation, a tuned acoustic structure is provided for directing sound away from the resonator (12).

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