Method and device for determining the position of immersed objec

Details Method and device for determining the position of immersed objec Method and device for determining the position of immersed objec

1987-10-27

1989-07-04

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With towing

367 19, G01V 138

Patent

active

048456861

ABSTRACT:
A method and device are provided for determining by acoustic telemetering the position of immersed objects with respect to a ship having a location assembly connected thereto including two acoustic transmission-reception assemblies and a towed locating base including two other assemblies offset laterally with respect to the path of the ship, in which method two measuring cycles are carried out successively, the first one consisting in determining by acoustic telemetering the position of the mobile locating base with respect to the locating base fixed to the ship, while the second consists, still using acoustic telemetering, in determining the position of the towed objects with respect to the mobile locating base. Then the coordinates of all the towed objects are determined with respect to the ship.

REFERENCES:
patent: 4376301 (1983-03-01), Roberts
patent: 4709356 (1987-11-01), Ayers

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