Quality control station for a sheet element processing machine and illumination unit for the quality control station
US10571405B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2017 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | May 17, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0637
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A quality control station (2) for a sheet element processing machine, having at least one camera (6) arranged for capturing images of sheet elements (4) transported through the quality control station (2), and further having an illumination unit (5) with at least one light emitter (16) and two reflectors (12, 14), the illumination unit (5) directing light onto a viewing area of the camera (6) such that the illumination intensity is constant despite changing media thickness. An illumination unit for such quality control station is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.