Process and transducer for emitting wide band and low frequency

Details Process and transducer for emitting wide band and low frequency Process and transducer for emitting wide band and low frequency

1995-05-30

1996-11-26

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367172, 367159, H04R 1700

Patent

active

055792871

ABSTRACT:
The present invention relates to a process and transducer for emitting wide and and low frequency acoustic waves in unlimited immersion depth.
The invention is applied to tranducers comprising at least one electro-acoustic motor (1) causing any wall 3 of the said waves to vibrate, and a hollow shell 5 enclosing the said motor 1, and delimiting with the said vibrating wall 3 among others, a cavity 7, characterised in that:

REFERENCES:
patent: 4868799 (1989-09-01), Massa
patent: 4875199 (1989-10-01), Hutchins
patent: 5291461 (1994-03-01), Boeglin et al.
patent: 5363345 (1994-11-01), Boucher et al.

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