Belt driving apparatus having belt with detection marks
US8326194B2 · kind B2 · utility
2Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2010 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Jan 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a rotatable belt member; a stretching roller for stretching the belt member; a plurality of line like marks which are arranged in a rotational direction of the belt member and are formed stepwisely on a surface of the belt member, the marks being tilted from a rotational axis direction of the belt member at least at end portions thereof on sides close to an end surface of the belt member; and control means for controlling rotation of the belt member on the basis of a result of detection of the marks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.