Vented-pipe projector

Details Vented-pipe projector Vented-pipe projector

H - Electricity

04

R

349/23, 349/57

H04R 17/10 (2006.01) B06B 1/06 (2006.01) H04R 17/00 (2006.01)

Patent

CA 1319414

ABSTRACT OF THE DISCLOSURE A piezoelectrically-driven, resonant-pipe projector has formed therein vents to broaden the response of certain cavities resonances and to increase the response between these resonances. The projector exhibits a relatively high electroacoustical efficiency, is capable of medium to high power output over the operating band, and is not depth dependent or depth limited.

578544

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