Ultrasound transducer

Details Ultrasound transducer Ultrasound transducer

1991-03-12

1993-02-23

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

12866301, G01N 2924, A61B 814

Patent

active

051879816

ABSTRACT:
A transducer assembly, suitable for medical examinations, for generating an apodized sector shaped beam of energy. A transducer in the form of a crystal, has a ring-like structure on its face which apodizes the signal produced by the transducer by providing a greater amount of attenuation at the transducer's periphery than at the transducer's center.

REFERENCES:
patent: 3958559 (1976-05-01), Glenn et al.
patent: 4248090 (1981-02-01), Glenn
patent: 4700575 (1987-10-01), Geithman et al.
patent: 4794930 (1989-01-01), Machida et al.

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