Advanced science.  Applied technology.

Search

Cylindrical Bender-Tube Vibration Transducer: 4,525,645

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: 
06/24/1985
Inventors: 

Donald J. Shirley; Thomas E. Owen