Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1999-05-21
2000-12-26
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
375257, H04L 2900, H04B 344
Patent
active
061669970
ABSTRACT:
A low voltage power system for a towed active array sonar is provided. The ow voltage power system includes a shipside power supply driving a step-up transformer which is connected to the tow cable transmission line. The transmission line is connected to a second step-up transformer which provides the signal voltage to the active transducer. The transducer signal voltage is also used to drive a rectifier and DC power supply which provides DC bias voltage to the transducer. The DC voltage is isolated from the tow cable by a blocking capacitor.
REFERENCES:
patent: 4375089 (1983-02-01), Thigpen et al.
patent: 4468785 (1984-08-01), Harris
patent: 4636992 (1987-01-01), Cretin et al.
patent: 4912684 (1990-03-01), Fowler
Dussault Douglas G.
McKay Donald W.
Simard Maurice E.
Lall Prithvi C.
Lobo Ian J.
McGowan Michael J.
Oglo Michael F.
The United States of America as represented by the Secretary of
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