Stabilized-transducer driving device for underwater ultrasonic d

Details Stabilized-transducer driving device for underwater ultrasonic d Stabilized-transducer driving device for underwater ultrasonic d

1977-09-13

1979-03-13

Farley, Richard A.

Communications: electrical

Selective

Monitoring in addition to control

340 8S, H04R 132, G01S 966

Patent

active

041445180

ABSTRACT:
A gravity stabilized drive mechanism varies the orientation of an underwater ultrasonic transducer in both azimuth and elevation while stabilizing the transducer against the pitching and rolling of a ship. The transducer is freely suspended by a universal joint from a vertical tilt control shaft. The tilt control shaft passes through a hollow azimuth control shaft which, in turn, is rotatably mounted on a platform attached to the ship. Elevation of the transducer is adjusted by rotating the tilt control shaft, and azimuth of the transducer is adjusted by rotating the azimuth control shaft.

REFERENCES:
patent: 2019497 (1935-11-01), Kuntze
patent: 3518676 (1970-06-01), Kirknes
patent: 3553638 (1971-01-01), Sublett
patent: 3563335 (1971-02-01), Holmes et al.

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