Ultrasonic transducer with a piezoelectric element

Details Ultrasonic transducer with a piezoelectric element Ultrasonic transducer with a piezoelectric element

1982-11-05

1986-08-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

179110A, 310322, H01L 4108

Patent

active

046071865

ABSTRACT:
An ultrasonic transducer having, in a throat part of a horn, a piezoelectric element and a diaphragm connected by a connection rod to the piezoelectric element. A disk having a plurality of apertures is disposed in front of the diaphragm, thereby improving the directivity and sensitivity without losing transient characteristic, making the transducer very suitable for ultrasonic distance measurement in air.

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