Communications – electrical: acoustic wave systems and devices – Underwater system – Telemetering
Patent
1992-07-02
1992-11-24
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Underwater system
Telemetering
367130, 367106, 367 89, H04B 1100
Patent
active
051669064
ABSTRACT:
A system for measuring the speed in water of an underwater towed array has towbody connected in close proximity to the array by means of a rope drogue. The towbody has a freely turning propeller that turns a shaft that has a rotor magnet. Magnetic pulses from the rotor magnet are converted first to an electrical and then to an acoustical signal. The acoustical signal from the towbody is received by the towed array and converted back to an electrical signal that is transmitted along a line to a ship that is towing the array. The ship then displays the detected speed and/or utilizes the information received for control purposes.
REFERENCES:
patent: 4065746 (1977-12-01), Thompson
patent: 4324135 (1982-04-01), Peyton
Curtis Christopher S.
Green John T.
Stottlemyer Thomas R.
Wasik Gregory T.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
Pihulic Daniel T.
The United States of America as represented by the Secretary of
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