Printing apparatus
US11273654B2 · kind B2 · utility
1Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2020 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Mar 20, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2553/414
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A roll sheet with a continuous sheet wound in a roll form is rotated in a forward direction to supply the sheet to a printing unit. A sensor whose output is changed in accordance with a distance between the sensor and the sheet is used. A rotation direction of the roll sheet is switched from an opposite direction to the forward direction on the basis of the output of the sensor during rotation of the roll sheet in the opposite direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.