Position measuring device

Details Position measuring device Position measuring device

1976-02-18

1977-09-27

Dildine, Jr., R. Stephen

Boots, shoes, and leggings

340 3R, 340 6R, 340 16R, 364460, 364815, 364817, G06G 722, G06G 770, G06G 778

Patent

active

040513505

ABSTRACT:
The invention concerns a position measuring device used for measuring the position of a vessel equipped with three hydrophones arranged at the apexes of a triangle in relation to a transmitting beacon on the sea bed. Measuring of the differences in the travel time between the beacon and the various hydrophones as well as of the depth of the water and analogic calculating of the position of the vessel in a simple way and without approximation. Application to offshore drilling vessels.

REFERENCES:
patent: 3559161 (1971-01-01), Raudsep

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