Patent ID: 8910866

Claim:
A code reader ( 10 ) comprising an image sensor ( 20 ) for the generation of images of a detection zone ( 12 ) resolved in pixels, a decoding unit ( 24 ) in order to identify code regions ( 14 ) in the images and to read out their coded information, as well as a verification unit ( 28 ) for evaluating the code quality in order to classify the code with respect to different quality criteria predefined by standards or to ensure, based on the criteria of the standards, that the code has at least a predefined code quality, wherein the verification unit ( 28 ) is configured to initially generate a normalized verification image of the code from the code regions ( 14 ) by means of image processing for the verification, wherein the normalized verification image corresponds to an image of an offline verification device having fixed physical boundary conditions and to thus achieve quality control of the code in accordance with accepted standards comparable to the offline verification device.