Process, apparatus and color measuring strip for evaluating print quality
US4671661A · kind A · utility
31Cited by
9References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1984 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Dec 19, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2233/51
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A color measuring strip having a plurality of different measuring fields includes information codes located either laterally adjacent to, or between, individual measuring fields. The information codes are individually assigned to respective measuring fields, and contain information relating to such items as scanning position and the color and type of the field concerned. The information codes are machine-read and are evaluated so that a scanning head may be positioned relative to the measuring fields, and are further used in processing the data provided by the scanning head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.