Ultrasonic wave transmitting and receiving apparatus

Details Ultrasonic wave transmitting and receiving apparatus Ultrasonic wave transmitting and receiving apparatus

1976-04-21

1978-02-21

Farley, Richard A.

Communications: electrical

Selective

G01S 966

Patent

active

040755983

ABSTRACT:
Provided is an ultrasonic wave transmitting and receiving apparatus comprising a plurality of electro-acoustic conversion elements linearly arranged on a flat plane, means for selectively delaying an electrical signal being supplied to or an electrical signal being supplied from the electro-acoustic conversion element so that the ultrasonic wave beams emitted respectively from the electro-acoustic conversion elements may be substantially deflected and scanned to such an extent that the centers of the beams do not intersect each other within a range of field to be examined, a receiver for receiving the ultrasonic wave beam reflected within the field range, through the electro-acoustic conversion elements and the delay means, and means for displaying a picture image of an object to be examined in accordance with an electrical signal from the receiver by using equidistant and parallel scanning lines.

REFERENCES:
patent: 3166731 (1965-01-01), Joy
patent: 3918025 (1975-11-01), Koshikawa et al.
patent: 3919683 (1975-11-01), Itamura et al.

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