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US7791627B2 · kind B2 · utility
3Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2006 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Aug 26, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J33/52
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A ribbon supply shaft drive motor (8) and a ribbon take-up shaft drive motor (10) are drivingly controlled separately. If the state of a ribbon is not changed after a control cycle is repeated for a set time, the rotational speed of the drive motors (8, 10) is increased step by step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.