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Cylindrical Bender-Tube Vibration Transducer

Abstract: 

An acoustic transducer with high sensitivity and low resonance frequency is constructed of a cylinder having inner and outer layers rigidly bonded together. At least one layer is a thickness poled piezoelectric material. The cylinderical can be closed by end caps to shift nodal locations.

Patent Number: 
4,525,645
Date Of Issue: 
06/25/1985
Inventors: 

Donald J. Shirley;Thomas E. Owen