Device for echography by means of focussed ultrasonic beams

Details Device for echography by means of focussed ultrasonic beams Device for echography by means of focussed ultrasonic beams

1976-12-09

1978-09-05

Farley, Richard A.

Communications: electrical

Selective

73626, G01S 966

Patent

active

041124111

ABSTRACT:
A device in which focussed ultrasonic beams are used by way of binary distribution of the phase of the signals occurring in a mosaic of transducers. The material of which the transducers are made can be polarized, which enables the prefocussing of the ultrasonic beam to be transmitted or received, and also enables point-wise scanning and scanning by double focussing according to the X-direction and the Y-direction.

REFERENCES:
patent: 3675472 (1972-07-01), Kay et al.

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