Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1969-12-31
1994-04-12
Tudor, Harold J.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367 88, 367154, H04R 1700
Patent
active
053032080
ABSTRACT:
A side looking sonar transducer having a plurality of active elements forming an elongated active radiating, or receiving surface wherein the active elements at the ends of the transducer have a lesser depression angle than the active elements at the middle. This arrangement provides an energy distribution which allows for a greater depth of focus.
REFERENCES:
patent: 2864592 (1958-12-01), Camp
patent: 3359537 (1967-12-01), Gel et al.
patent: 3474402 (1969-10-01), Cook et al.
Schron D.
Tudor Harold J.
Westinghouse Electric Corp.
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