Commonwealth Scientific and Industrial Research Organisation

The Commonwealth of Australia

The Commonwealth of Australia C/-the Department of Health

David A Carpenter

George Kossoff

Method and apparatus for ultrasonic beam compensation

Apparatus for the ultrasonic examination of an object, comprises:

Ultrasonic transducer array

A technique of displaying information obtained by ultrasonic echoscopic examination of an object which comprises the steps of transmitting pulses of ultrasonic energy along a plurality of beams into the object and receiving echoes of said pulses reflected along the beams by acoustic impedance discontinuities within the object, the beams being directed from a plurality of spaced positions relative to the object and along a plurality of beam directions at each position, comprises forming a first display of information representative of the position of acoustic impedance discontinuities within the object from the echoes received along the plurality of beams as a compound scan of the object, and forming a second display of information from echoes received along selected beams of the plurality of beams as a simple scan of the object.

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Northbridge, Australia

David A Carpenter