Underwater guidance system

Details Underwater guidance system Underwater guidance system

1991-01-08

1991-12-31

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

367910, G01S 380

Patent

active

050777033

ABSTRACT:
An underwater guidance system includes a transmitter located at a home base and generating a signal having a prescribed frequency. A diver wears a receiver on his wrist. The receiver includes a plurality of direction indicating elements and an out-of-range indicating element. The diver views the receiver to determine his position relative to the transmitter.

REFERENCES:
patent: 2962697 (1960-11-01), Rockwell
patent: 3587038 (1971-06-01), Massa, Jr.

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