G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 1/02 (2010.01) B63C 11/48 (2006.01) G01C 13/00 (2006.01) G05D 1/10 (2006.01)
Patent
CA 2431686
A subsea navigation system comprising a plurality of spaced antenna means (4) provided on a subsea structure (1, 2) arranged to emit electromagnetic radiation. A detection means (7) is provided on a subsea vehicle (3) for receiving and analysing the electromagnetic radiation transmitted by the antenna means (4) allowing the subsea vehicle (3) to navigate relative to the subsea structure (1, 2). Each of the antenna means (4) comprises a cathodic protection anode provided on the subsea structure (1, 2).
L'invention concerne un système de navigation sous-marin comprenant une pluralité d'antennes espacées (4) montées sur une structure sous-marine (1, 2) et agencées de façon à émettre un rayonnement électromagnétique. Un véhicule sous-marin (3) est équipé de moyens de détection (7) permettant de recevoir et d'analyser ledit rayonnement électromagnétique émis par les antennes (4), ce qui permet audit véhicule sous-marin (3) de naviguer par rapport à la structure sous-marine (1, 2). Chaque antenne (4) comprend une anode de protection cathodique montée sur la structure sous-marine (1, 2).
Expro North Sea Limited
Flight Refuelling Limited
Ridout & Maybee Llp
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