Underwater transducer with depth compensation

Details Underwater transducer with depth compensation Underwater transducer with depth compensation

H - Electricity

04

R

349/23, 349/57.1

H04R 17/00 (2006.01) H04R 17/08 (2006.01)

Patent

CA 1202406

ABSTRACT An underwater transducer in which a ring of piezo- electric ceramic elements vibrates radially in response to an applied voltage. Spacer elements formed of steel are placed between pairs of ceramic elements and used to couple the ring movement to convex diaphragms. Each diaphragm is formed with radially extending fingers, which attach to the spacer elements. A water bladder assembly within the transducer forms a passive internal pressure compensation system. Preferably, the water bladder assembly is attached to the ring in a manner that mechanically decouples the bladder assembly from the ring.

444314

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