Importance

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Abstract

A rotating laser has a source of electromagnetic radiation for production of a reference beam, and deflection means, which can rotate about a rotation axis, by which means a laser area is defined when rotated, and with the reference beam passing over a reference path. The rotating laser has a functionality for perpendicular alignment of the laser area relative to the surface, with the control means being designed such that the laser area is automatically variably inclined relative to the surface by swiveling means swiveling the rotation axis, with a reference line range from the reference line to the rotating laser being determined for each of the respective inclination angles, and with that inclination angle of the laser area being determined as the perpendicular inclination angle at which the laser area includes the reference line with the respective shortest determined reference line range, and therefore being perpendicular to the surface.

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First Claim