Probe for electronic scanning type ultrasonic diagnostic apparat

Details Probe for electronic scanning type ultrasonic diagnostic apparat Probe for electronic scanning type ultrasonic diagnostic apparat

1986-06-26

1987-02-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310335, 310317, H01L 4108

Patent

active

046442146

ABSTRACT:
A probe for an electronic scanning type ultrasonic diagnostic apparatus in which a plurality of real transducers and one or more pseudo-transducers are arranged in a row on a supporting plate. In order to equalize the ultrasonic directivity characteristics of each of the real transducers, the pseudo-transducers are arranged adjacent to the real transducers which are located at the ends of the row, and have approximately the same shape and dimensions as the real transducers.

REFERENCES:
patent: 3936791 (1976-02-01), Kossoff
patent: 3971962 (1976-07-01), Green
patent: 4058003 (1977-11-01), Macovski
patent: 4101795 (1978-07-01), Fukumoto et al.
patent: 4145931 (1979-03-01), Tancrell
patent: 4152678 (1979-05-01), Shott et al.
patent: 4155259 (1979-05-01), Engeler
patent: 4161122 (1979-07-01), Buchner
patent: 4180792 (1979-12-01), Lederman et al.

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