Patent ID: 11911793
Assignee: IMAGE ACOUSTICS, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B  H

Claim 0:
1. A low frequency underwater sound electro-mechanical transduction bender apparatus for radiating sound at deep submergence depths and that is comprised of:
at least one piezoelectric bilaminar or trilaminar beam or disc having opposed support ends;
a pair of piezoelectric structures that each have sides that are respectively connected at the opposed support ends of the beam or disc;
said piezoelectric bilaminar or trilaminar beam or disc being driven by the pair of piezoelectric structures;
and a housing that contains the at least one piezoelectric bilaminar or trilaminar beam or disc and the pair of piezoelectric structures, as well as an internal fill of a fluid substance:
said housing including a reflective rear plate that is positioned opposite to the piezoelectric bilaminar or trilaminar beam or disc.