Method and device for determining the distance of a light beam from a point on the surface of a body by means of a light sensor

摘要

The invention relates to a method and a device (30) for determining the distance of a light beam (10) from a point (12) on a body surface (14) by means of a light sensor (16) with a planar measuring field (18) Steps A to E, and wherein the device (30) is arranged to carry out the method.