Device for offline inspection and color measurement of printed sheets for the production of banknotes and like printed securities
US9216569B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2012 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Mar 31, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F11/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is described a device (1) for offline inspection and color measurement of printed sheets for the production of banknotes and like printed securities, comprising (i) a console (10) having a supporting surface (10a) for supporting a sample printed sheet (S), (ii) a multipurpose measuring apparatus (20), which multipurpose measuring apparatus (20) comprises multiple sensors (22, 23) including at least one camera (22) for taking images of selected portions of the sample printed sheet (S) and a color measurement sensor (23) for performing spectrophotometric, colorimetric, and/or densitometric measurements at selected locations on (22, 23) the sample printed sheet (S), (iii) a display (30) for displaying the images taken by the camera (22) and the measurements performed by the color measurement sensor (23), and (iv) a control and processing unit (40) coupled to the multipurpose measuring apparatus (20) and the display (30). The device (1) comprises a move-sensor beam (200) housing the multipurpose measuring apparatus (20), which moveable sensor beam (200) is displaceable along an x-axis over the supporting surface (10a) of the console (10) and over the entire surface of the sample …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.