Piezoelectric ultrasonic transducer with damped suspension

Details Piezoelectric ultrasonic transducer with damped suspension Piezoelectric ultrasonic transducer with damped suspension

1982-09-16

1984-06-26

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310322, 179110A, H01L 4108

Patent

active

044568495

ABSTRACT:
An ultrasonic transducer comprises a lamination structured piezo-electric element (1) to which center shaft (2) of a diaphragm (3) is connected, a housing (7) mounted integral with a horn (11), a buffer member (10) disposed between said housing (7) and said diaphragm (3) for holding said diaphragm (3) in vibratable manner; thereby a sharp rise up and fall down characteristics of ultrasonic wave and sharp directivity are attained.

REFERENCES:
patent: 3253674 (1966-05-01), Desmares
patent: 3360664 (1967-12-01), Straube
patent: 3439128 (1969-04-01), Sobel et al.
patent: 3749854 (1973-07-01), Mifune et al.
patent: 3786202 (1974-01-01), Schafft
patent: 4011473 (1977-03-01), Massa
patent: 4337640 (1982-07-01), Muranaka et al.
patent: 4368400 (1983-01-01), Taniguchi et al.

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