Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing
Patent
1981-09-21
1983-12-27
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
With beam steering, scanning, or focussing
367103, G01S 380, G10K 1134
Patent
active
044234945
ABSTRACT:
A sonar array wherein the capacitance associated with the hydrophones of the array are utilized as shunt elements in an artificial transmission line in order to form an acoustic beam. Series inductance elements to the transmission line are variable with d.c. current flowing through coils wound about a magnetic core about which coils forming the series inductance of the line are also wound, thus permitting the sonar beam to be steered to any desired position.
REFERENCES:
patent: 3037185 (1962-05-01), Dewitz
Groves Kenneth W.
Lea John D.
Farley Richard A.
Levine Seymour
Sperry Corporation
Terry Howard P.
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