公开(公告)号：US20190135572A1

公开(公告)日：2019-05-09

申请号：US16099745

申请日：2017-05-09

Applicant: BOBST MEX SA

Inventor： Lorenzo PICCARDI ,  Mauro TRUSCELLO ,  Pablo ANTOLINEZ

IPC: B65H43/04 ,  B41F33/00 ,  B41F33/02 ,  G01N21/93

Abstract: A quality control station (2) for a sheet element processing machine, the station having at least one camera (6) arranged for capturing images of sheet elements (4) transported through the quality control station (2), and further having a camera calibration system (10). The camera calibration system (10) having a target holder (12) for holding an optical target (14), and a drive (15) for the target holder (12). The drive (15) is adapted for displacing the target holder (12) between a rest position, in which it is outside of the viewing area (7) of the camera (6), and a calibration position in which it is arranged in the viewing area (7) of the camera (6).