METHOD AND APPARATUS FOR DETERMINING THE DISTANCE OF A LIGHT BEAM FROM A POINT ON A SURFACE OF AN OBJECT BY MEANS OF A LIGHT SENSOR

摘要

The present invention relates to a method and an apparatus for determining distance between a light beam (10) and a point (12) on a object surface (14) by using a light sensor (16) having a planar measuring field (18). The method including step (A) to (E). The apparatus is configured to perform the method.