Broadband radial vibrator transducer with multiple resonant freq

Details Broadband radial vibrator transducer with multiple resonant freq Broadband radial vibrator transducer with multiple resonant freq

1984-07-25

1986-08-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, 310337, 310369, H01L 4108

Patent

active

046045422

ABSTRACT:
A broadband radial vibrator transducer having at least two laminar resonant sections coupled to a radial electromechanical transducer element where each laminar section includes at least two layers. Each resonant section has a mass layer and a compliant member layer where the compliant member layer is fixed between the transducer element and the mass layer. The compliant member allows the resonant section to mechanically resonate along with the transducer element providing at least two resonant frequencies, thereby expanding the bandwidth of the transducer.

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"Session KK. Engineering Acoustics V: Transducers", J. Acous. Soc. AM. Suppl., 1, vol. 68, Fall 1980, pp. S67-S69.
"Piezoelectric and Piezomagnetic Materials and Their Function in Transducers", Physical Acoustics, vol. 1A, 1964, Don A. Berlincourt et al., pp. 169-171, 242-249.

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