Resonator exhibiting uniform motional output

Details Resonator exhibiting uniform motional output Resonator exhibiting uniform motional output

1985-10-23

1987-03-17

Salce, Patrick R.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, 310326, 51 59SS, 156 733, 4251742, H01L 4108

Patent

active

046510435

ABSTRACT:
The invention concerns resonators of rectangular or blade like configuration providing substantially uniform motional output along the output surface. The improvement is achieved by disposing the change in cross-sectional area for producing increased motional amplitude at the output surface in relation to the nodal region of the resonator in such a manner as to cause the lateral portions of the resonator to exhibit a greater motional amplitude gain than that of the central portion.

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patent: 4500372 (1985-02-01), Mion
patent: 4529473 (1985-07-01), Mims
"Ultrasonic Engineering", by Julian R. Frederick, 1965, pp. 87-103.

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