Ultrasonic contact transducer comprising multiple emitting...

Details Ultrasonic contact transducer comprising multiple emitting... Ultrasonic contact transducer comprising multiple emitting...

G - Physics

10

K

G10K 11/34 (2006.01)

Patent

CA 2546176

The invention relates to an ultrasonic contact transducer comprising multiple emitting elements and means for pressing said elements. The inventive transducer is particularly suitable for use for non-destructive testing purposes. The invention comprises means (8, 10) for pressing the emitting elements (2) against an object (6) that is to be tested and means (26, 28 and 34 to 40) for determining the positions of said elements in relation to the object, using the aforementioned press means, in order to establish the delay laws to be applied to pulses for excitation of the elements, such as to produce a focused ultrasonic beam (F).

Transducteur ultrasonore de contact, à multiples éléments émetteurs et moyens de plaquage de ces éléments. Ce transducteur s'applique notamment au contrôle non destructif et comprend des moyens (8, 10) de plaquage des éléments (2) contre un objet (6) à contrôler et des moyens (26, 28 et 34 à 40) de détermination, par l'intermédiaire des moyens de plaquage, des positions des éléments par rapport à l'objet pour établir des lois de retard à appliquer à des impulsions d'excitation des éléments, pour engendrer un faisceau ultrasonore focalisé (F).

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