Ultrasound transducer having astigmatic transmission/reception c

Details Ultrasound transducer having astigmatic transmission/reception c Ultrasound transducer having astigmatic transmission/reception c

1988-09-26

1990-03-06

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Signal transducers

367174, 367163, 181170, 310324, 381202, 381190, G10K 1300

Patent

active

049072072

ABSTRACT:
A transducer which has an astigmatic directional characteristic which depends on its assymetrical stiffness or, respectively, speed of sound of the material of a resonant membrane (2) which is composed of a composite fiber material.

REFERENCES:
patent: 4031502 (1977-06-01), Lefaudeux et al.
patent: 4045695 (1977-08-01), Itagaki et al.
patent: 4440983 (1984-04-01), Facoetti et al.
patent: 4460060 (1984-07-01), Hasumi et al.

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