Patent ID: 9354169
Filing Date: 2016-05-31
CPC Classification: G01N,G01S

Claim Text:
1. An attachment for placement onto a scanner having a scan region or onto a part thereof, wherein the scanner having a transmission unit for the transmission of detection light into a detection region; a receiver for receiving light reflected or remitted from the detection region or for receiving light transmitted through the detection region; and an evaluation unit for evaluating the received light, wherein the attachment comprises the following: a housing having an inlet opening for the entry of at least a part of the detection light into the attachment; a test light receiver for receiving detection light incident as test light and for the power measurement of the detection light incident as test light at the test light receiver; and a signal outputting device for outputting an output signal correlated with the test light power; wherein the attachment is designed to be arranged in a scan region of a scanner such that at least a part of the detection light arrives through the inlet opening of the attachment at the test light receiver at a point in time during a scanning procedure, wherein the scan region of the scanner is defined by the spatial region which is covered by the detection light during a scanning process.