Ultrasonic image generating apparatus

Details Ultrasonic image generating apparatus Ultrasonic image generating apparatus

1981-06-16

1984-03-06

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73642, G01N 2904

Patent

active

044346620

ABSTRACT:
The ultrasound apparatus contains a focusing device such as a lens or lens system for focusing ultrasound waves. It also contains an ultrasound detector for receiving the focused ultrasound waves. The detector includes a number of elongated piezoelectric detector elements. The longitudinal axis of these elongated elements are curved. The focusing device is an astigmatic focusing device and has a first and a second focal plane. The ultrasound detector is positioned in one of these planes.

REFERENCES:
patent: 3859984 (1975-01-01), Langley
patent: 3937066 (1976-02-01), Green et al.
patent: 3971962 (1976-07-01), Green
patent: 4016751 (1977-04-01), Kossoff
Philip S. Green et al., "A New, High-Performance Ultrasonic Camera" (1974) Acoustical Holography", vol. 5, P. S. Green, Editor, pp. 493-503.
J. R. Suarez et al., "Biomedical Imaging with the SRI Ultrasonic Camera" Acoustical Holography, vol. 6, P. S. Green, Editor, pp. 1-13.

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