Ultrasonic imaging system

Details Ultrasonic imaging system Ultrasonic imaging system

G - Physics

01

N

349/42

G01N 29/04 (2006.01) G01S 7/52 (2006.01) G10K 11/35 (2006.01)

Patent

CA 1278087

ABSTRACT OF THE DISCLOSURE An ultrasonic imaging system which is used to provide contact imaging of a component. A transducer is scanned across a workpiece to collect image data from a scan area comprising a plurality of pixels. Means for resiliently carrying the trans- ducer with two separate degrees of freedom maintain a tight acoustic coupling between the workpiece surface and the trans- ducer. The image data relating to each position in the scanned area describe the amplitude of a reflection and its depth from a reference. Means are provided for easily varying the size of the image area while the number of pixels remains constant. The system provides a real-time visual display of the scanned area while the transducer is moving over the area in contrast as either a grey scale or a color scale for each pixel. An auto- matic calibration mode for the system is provided as another feature to remove acoustic delay, caused by transducer coupling, from the image data. As an option to the calibration mode, the system provides for the translation of the scan area into a true proportional size for a radial mounting geometry of the work- piece.

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