Ultrasonic imaging system

Details Ultrasonic imaging system Ultrasonic imaging system

G - Physics

01

N

349/47

G01N 29/00 (2006.01) G01S 15/89 (2006.01)

Patent

CA 1169145

Abstract of the Disclosure An ultrasonic imaging system comprises a first array of transducer elements adapted to be coupled to an object to be examined, which elements responsive to ultrasonic energy transmitted into the test object intercepting acoustic reflecting surfaces, receive ultrasonic echo signals indicative of acoustic reflecting surfaces in the object. The received echo signals are converted by the first array of elements into electrical signals which are processed through a time reversal circuit (time inversion) and thereafter used to energize a second array of transducer elements coupled to a reconstruction medium. The ultrasonic signals transmitted by the second array, responsive to the time-reversed electrical signals, produce in the reconstruction medium a reconstructed image of the acoustic reflecting surfaces in the object. A visual image of the reconstructed acoustic image is obtained by acousto- optical means, such as a Schlieren device.

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