Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1988-11-15
1990-05-01
Jordan, Charles T.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367159, 367174, 310337, H01V 700
Patent
active
049224700
ABSTRACT:
An underwater acoustical projector consisting of a spaced apart pair of polygonal shaped end plates, a ceramic driver of smaller cross-sectional size than each end plate, positioned between the end plates, and a set of staves secured from one end plate to the other, each stave being bent concavely inwardly towards the driver and being separated from each other by a gap.
REFERENCES:
patent: 3258738 (1966-06-01), Merchant
patent: 3449712 (1969-06-01), Angeloff
patent: 4706230 (1987-11-01), Inoue et al.
Jones Dennis F.
McMahon Garfield W.
Eldred J. Woodrow
Her Majesty the Queen in right of Canada as represented by the
Jordan Charles T.
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