High-speed ultrasonic echo-tomographic device

Details High-speed ultrasonic echo-tomographic device High-speed ultrasonic echo-tomographic device

1975-10-08

1977-02-08

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01N 2904

Patent

active

040066274

ABSTRACT:
The object of the invention is an ultrasonic echo-tomographic device. An alignment of transducers coupled to the body under observation emits flat ultrasonic radiation. The wave fronts of the echoes received in response at each line parallel to the front of the transducers are transformed by means of an electrical chain, without alteration of phase, in a crystalline medium. A laser and an optical system form by Bragg diffraction the images of these lines which are picked up by a vibrating mirror and projected onto the target of a television camera. The invention is applicable in echo-tomography and enables 1000 images per second to be obtained.

REFERENCES:
patent: 3488438 (1970-01-01), Korpel
patent: 3723958 (1973-03-01), Heflinger
patent: 3763693 (1973-10-01), Bhuta et al.
patent: 3936791 (1976-02-01), Kossoff

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