Patent · US Expired

Process and system for measuring when dragged underwater beneath a helicopter

US5170379A · kind A · utility

1Cited by

4References

16Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Gerard Ruzie · Étampes, FR
Jean Batot · Arpajon, FR

Key dates

Filing date	Jul 15, 1991
Grant date	Dec 8, 1992
Priority date	—
Expiry date	Jul 15, 2011

Classification

Technology area (CPC G)Physics
CPC primaryG01C13/008
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The system comprises measuring means and carrying or supporting means (6), to which the measuring means are fixed. The carrying means are dragged underwater by a helicopter (2) via a cable (4). The carrier means, equipped with measuring means, have a hydrodynamic shape such that they remain at a substantially constant depth when dragged underwater by means of the cable. Application to marine soundings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.