Apparatus and method for suppressing mass/spring mode in acousti

Details Apparatus and method for suppressing mass/spring mode in acousti Apparatus and method for suppressing mass/spring mode in acousti

1979-03-12

1980-12-16

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

73632, 128660, 310327, 310334, 310336, H01L 4108

Patent

active

042400031

ABSTRACT:
Spurious emissions caused by a newly-described vibration mode in an acosutic imaging transducer are suppressed by cancelling the net displacement of the center of mass of each piezoelectric element in the transducer array.

REFERENCES:
patent: 3036231 (1962-05-01), Henry
patent: 3058015 (1962-10-01), Nesh
patent: 3365590 (1968-01-01), Lobdell
patent: 3543058 (1970-11-01), Klemens
patent: 3714475 (1973-01-01), Baker, Jr.
patent: 4101795 (1978-07-01), Fukomoto et al.
patent: 4122725 (1978-10-01), Thompson
patent: 4158787 (1979-06-01), Forward

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