Multicolor printing apparatus having a multicolor ribbon shifting mechanism
US5154520A · kind A · utility
3Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Mar 14, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J25/308
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A multicolor printing apparatus having a multicolor ribbon shifting mechanism is disclosed wherein the multicolor ribbon is selectively separated from a print paper to be printed on prior to shifting the multicolor ribbon to change colors based upon a shift amount which is required to shift the multicolor ribbon from a current position to a next position in order to print characters having a desired color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.