Method and apparatus for emitting high power acoustic waves usin

Details Method and apparatus for emitting high power acoustic waves usin Method and apparatus for emitting high power acoustic waves usin

1994-12-02

1996-01-09

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367159, 310334, H04R 1700

Patent

active

054835020

ABSTRACT:
A transducer includes at least one cylindrical driving assembly and at least one headmass coupled to an end of the cylindrical driving assembly. The headmass has an external ring that surrounds a core. The core is made from a core material that is less dense than the material from which the external ring is made. The headmass is dimensioned to occupy a predetermined volume so as to transmit waves within a predetermined frequency range. As a result, the transducer provides higher power waves, yet occupies the same volume as the transducers of the prior art.

REFERENCES:
patent: 3624429 (1971-11-01), Behrendt
patent: 4231112 (1980-10-01), Massa
patent: 4972390 (1990-11-01), Pagliarini, Jr.
patent: 5130953 (1992-07-01), Grosso
patent: 5274608 (1993-12-01), Graham
patent: 5363345 (1994-11-01), Boucher et al.

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