Processes and automatic devices for high-resolution writing on a support by projecting drops of colored liquids
US4920422A · kind A · utility
18Cited by
4References
11Claims
0Family size
Inventor
Key dates
| Filing date | Mar 16, 1989 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Mar 16, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J11/001
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a device for automatically writing a polychrome graphic on a fixed support, comprising a tool-holder which bears a plurality of nozzles perpendicular to the support, each projecting a liquid of determined color and a computer which controls the displacements of the tool-holder, in the memory of which are recorded the coordinates and color of a network of dots comprising said polychrome graphic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.