Abstract: A method and cable cleaning device that includes a housing and at least one cleaning element attached to the housing. The cleaning element is configured to clean marine fouling from a cable. The cleaning element is at least partially rolled around the cable and its tautness is adjustable.

Abstract: A cable-protecting device is used on a cable of a marine survey system to oppose cable bending and/or to limit a bending radius of the cable. The cable-protecting device has a functional body made of at least two portions configured to be clamped together to surround the cable, a gripping system configured to oppose the functional body sliding along the cable, and a closing system configured enable the at least two portions to engage fast and remain clamped.

Abstract: A cable-protecting device is used on a cable of a marine survey system to oppose cable bending and/or to limit a bending radius of the cable. The cable-protecting device has a functional body made of at least two portions configured to be clamped together to surround the cable, a gripping system configured to oppose the functional body sliding along the cable, and a closing system configured enable the at least two portions to engage fast and remain clamped.

Abstract: A method and cable cleaning device that includes a housing and at least one cleaning element attached to the housing. The cleaning element is configured to clean marine fouling from a cable. The cleaning element is at least partially rolled around the cable and its tautness is adjustable.

Abstract: A cleaning device for cleaning a marine element towed in water and related methods are provided. The cleaning device is configured to follow a bypass rail attached to the marine element when an obstacle is encountered along the marine element. Thus, the cleaning device passes the entire marine element, from one end to the other, irrespective of the nature of the obstacle. The cleaning device includes a cleaning unit for cleaning the marine element.

Abstract: A lighting device for increasing the contrast of an image of a concave or convex structure provided on a surface, the device including: a first light source arranged so as to emit, according to a first axis of incidence Ii, a first light, the bandwidth of said first light, or “first bandwidth”, being less than 100 nm; a second light source arranged so as to emit, according to a second axis of incidence, a second light, the bandwidth of said second light, or “second bandwidth”, being less than 100 nm; and a third light source arranged so as to emit, according to a third axis of incidence, a third light, the bandwidth of said third light, or “third bandwidth”, being less than 100 nm, the first, second, and third axes of incidence being substantially convergent and the bandwidths of the first, second, and third lights being divergent from each other.

Abstract: A lighting device for increasing the contrast of an image of a concave or convex structure provided on a surface, the device including: a first light source arranged so as to emit, according to a first axis of incidence Ii, a first light, the bandwidth of said first light, or “first bandwidth”, being less than 100 nm; a second light source arranged so as to emit, according to a second axis of incidence, a second light, the bandwidth of said second light, or “second bandwidth”, being less than 100 nm; and a third light source arranged so as to emit, according to a third axis of incidence, a third light, the bandwidth of said third light, or “third bandwidth”, being less than 100 nm, the first, second, and third axes of incidence being substantially convergent and the bandwidths of the first, second, and third lights being divergent from each other.