Patent ID: 9290239
Filing Date: 2016-03-22
CPC Classification: B63B,G01V

Claim Text:
1. A control device ( 10 ) for controlling the position of an instrumented cable towed in water having a surface, individually in relation to other instrumented cables or with additional instrumented cables together as a cable array to counteract cross currents or other dynamic forces which affect a towed array behind a seismic survey vessel, the control device ( 10 ) includes a main body ( 11 ) and independent, detachable, controllable wings ( 12 ), wherein the control device ( 10 ) is provided with buoyancy means ( 30 ) for retrieving the control device ( 10 ) and at least a portion of the instrumented cable or the detachable wings ( 12 ) to the surface from a depth below the surface, which buoyancy means ( 30 ) are arranged for providing the control device ( 10 ) with buoyancy, which control device ( 10 ) is arranged for connection in-line with the instrumented cable between two sections of the instrumented cable, wherein the buoyancy means (