System and method for registration control on-press during press set-up and printing
US5809894A · kind A · utility
10Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Feb 20, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S101/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system and method for controlling registration between different printing plates or printing cylinders in a printing press which includes a camera with a lens having at least two zoom settings and a control unit for changing the zoom setting of the camera in accordance with a distance between registration marks printed on a printed substrate found in at least one image acquired by the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.