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Global acoustic positioning system and device

  • US 20060178829A1
  • Filed: 02/18/2004
  • Published: 08/10/2006
  • Est. Priority Date: 02/19/2003
  • Status: Abandoned Application
First Claim
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1. A device for global acoustic positioning of submarine vessels (1) comprising positioning means for referencing geographically said device and a positioning acoustic signal transceiver (6), characterised in that said acoustic signal transceiver (6) is an ultra short base line system (USBL) which generates n first position measurements, where n is the number of submarine vessels (1) measured simultaneously, n being greater than or equal to 1, said device includes:

  • means for restituting the movements of the device (10) delivering signals containing at least one attitude measurement of said device in an inertial reference system, real-time processing means (11) receiving all the measurements to determine the actual position of the submarine vessel(s) (1), means (12) for transmitting the actual position of the submarine vessel(s) (1) in and/or off water, and in that the respective positions of the means for restituting the movements of the device (10) and of the acoustic signal transceiver (6) relative to the mass centre of said device are such that the leverage between said means of restitution (10) and said transceiver (6) is zero.

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