Printer and ribbon winding features
US10647139B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2019 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Feb 1, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/355
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printer contains a ribbon holding shaft; a ribbon winding shaft; a printing section to print using an ink ribbon and a print head; a winding motor to rotationally drive the ribbon winding shaft; a damper section, provided on a conveyance path of the ink ribbon; a controller to control an operation of the ribbon winding shaft at the start of driving by increasing an input voltage applied to the winding motor; a detection section configured to detect movement of the damper section; a calculation section to calculate a winding diameter of the ink ribbon on the ribbon winding shaft side using the input voltage when the movement of the damper section is detected and characteristics of the damper section; and a voltage determination section to determine an input voltage to be applied to the motor according to the calculated winding diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.