Sonic or ultrasonic transducer

Details Sonic or ultrasonic transducer Sonic or ultrasonic transducer

H - Electricity

04

R

H04R 17/00 (2006.01) B06B 1/06 (2006.01)

Patent

CA 2124952

The sonic or ultrasonic transducer includes a circular piezo-ceramic disk capable of generating radial oscillations, and a metal ring, which embraces in tight close fitting relationship the circumferential surface area of the disk to form a radial oscillator in conjunction with the disk. The sonic or ultrasonic transducer formed in this manner has an emission surface corresponding to the entire surface area of the piezo-ceramic disk and metal ring, and displays a radial resonant frequency which is lower than that of the piezo-ceramic disk.

Le transducteur sonique ou ultrasonique comprend un disque piézo-céramique circulaire capable de produire des oscillations radiales et un anneau métallique qui entoure en ajustement serré la surface circonférentielle du disque pour former un oscillateur radial en conjugaison avec le disque. Le transducteur sonique ou ultrasonique ainsi formé a une surface d'émission correspondant à toute la surface du disque piézo-céramique et de l'anneau métallique et affiche une fréquence de résonance radiale inférieure à celle du disque piézo-céramique.

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