20130208263 | DEVICE FOR MEASURING, IN A PREDEFINED PLANE, THE POSITIONING OF A MATERIEL DEPOSITED AT THE BOTTOM OF THE WATER AND ASSOCIATED METHOD - A device for measuring magnetic magnitudes and more particularly, a device for measuring, in a predefined plan, the positioning of a material deposited at the bottom of the water, includes: a submersible laser transmitter; and a buoy having a first lower part designed to be at least partially submerged and an upper part designed to be at least partially emerged when the buoy floats on the water, the first part including a lower face arranged facing the bottom of the water when the buoy floats, the lower face being at least partially covered by an array of photodetector sensors able to detect the laser radiation emitted by the transmitter. | 08-15-2013 |