Navigation system for diving operations

Details Navigation system for diving operations Navigation system for diving operations

1996-12-18

2000-02-29

Oen, William

Measuring and testing

Navigation

Take-off and landing monitors

G01C 2100

Patent

active

060295155

ABSTRACT:
A navigation system and method for diving operation in view of facilitating navigation under water to a specific location, in particular navigation back to a dive starting point, i.e., to the place from which the diving was started. The system includes a base station fixed to the starting point, such as a boat or equivalent, and arranged to transmit a signal to its environment, and a mobile unit carried along by the diver. The mobile unit includes a compass and a locating part which receives the signal transmitted by the base station. The locating part converts the signal to information on the return direction, and combines the information on the return direction with the magnetic information on the direction obtained from the compass, so that the information on the return direction from the position of the diver when the signal is received is maintained irrespective of the momentary location and position of the diver and the mobile unit.

REFERENCES:
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patent: 3736551 (1973-05-01), Hirsch
patent: 4037328 (1977-07-01), Kuehn et al.
patent: 4103279 (1978-07-01), Dildy, Jr. et al.
patent: 5148412 (1992-09-01), Suggs
patent: 5185725 (1993-02-01), Kent et al.
patent: 5187871 (1993-02-01), McDermott
patent: 5241516 (1993-08-01), Kruchowy et al.
patent: 5303206 (1994-04-01), Bemb et al.

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