Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1988-09-01
1989-03-21
Steinberger, Brian S.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367 1, 181 05, 181284, H04R 1700
Patent
active
048150495
ABSTRACT:
A selectively transparent baffle means for controlling beam pattern dispel or direction, further comprising a plurality of parallel, vertically oriented, compliant tubes each of which attach to one of two header tubes at one end while the opposite ends are open to sea pressure. The headers provide air fill or vent.
REFERENCES:
patent: 3014198 (1961-12-01), Harris
patent: 3021504 (1962-02-01), Toulis
patent: 3302748 (1967-02-01), Reed
patent: 3907062 (1975-09-01), Brigham et al.
patent: 4399526 (1983-08-01), Eynck
Lall Prithvi C.
McGill Arthur A.
McGowan Michael J.
Steinberger Brian S.
The United States of America as represented by the Secretary of
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