Signal processor for ultrasonic imaging

Details Signal processor for ultrasonic imaging Signal processor for ultrasonic imaging

1975-08-07

1977-01-25

Farley, Richard A.

Communications: electrical

Selective

340 6R, 343100SA, G01S 966, G01S 380

Patent

active

040053822

ABSTRACT:
A signal processor for an ultrasonic imaging system permits the selection of scan angles and focusing distances. The system includes an ultrasonic receiver comprising an array of electromechanical transducers, with the individual transducers being coupled to phase selection circuitry whereby non-continuous delay values can be introduced between adjacent transducers. Proper selection of the delay values between adjacent transducers can accomplish preferential ultrasonic reception or transmission in particular directions. An optimized switching arrangement minimizes the number of electronic components required to provide the desired delay values.

REFERENCES:
patent: 3936791 (1976-02-01), Kossoff

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