Methods and systems for printing vibrant grey colors on plastic cards
US11613140B2 · kind B2 · utility
0Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2020 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Mar 26, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M3/14
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Methods and systems are disclosed for printing vibrant grey color(s) on plastic cards. The following features, which can be used individually or in any combination thereof, can be implemented to achieve the vibrant grey color(s): 1) use of CMYK pigment inks to achieve CMYK printing; 2) a pixel extraction process and/or a print trapping process; 3) two separate print commands including a CMY (or CMYK)+blending print command and a K+blending print command; and 4) proper card set-up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.