Acoustic positioning system

Details Acoustic positioning system Acoustic positioning system

G - Physics

01

V

349/24

G01V 1/28 (2006.01) G01S 5/30 (2006.01) G01S 11/16 (2006.01) G01V 1/38 (2006.01)

Patent

CA 1207427

ABSTRACT OF THE DISCLOSURE Acoustic positioning device for a vessel comprising N transponders (B1...Bi...BN). A fixed acoustic transmitting means (E) periodically transmits acoustic pulses at frequency f. The responses of the transponders (B1...Bi...BN) are received by the acous- tic array (A1, A2) of the vessels. The time origins are transmitted by a radio antenna to the surface vessel. In the case of submarines, two stable clocks are used, one of which is on board the submarine. Processing circuits make it possible to know the posi- tion of submarines. Application to the positioning of vessels in an oil production field or for oceanographic research

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