Fixing device and image forming apparatus
US5822670A · kind A · utility
12Cited by
6References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Jan 14, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2042
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device for heating and fixing an unfixed image to a record medium bearing the unfixed image, includes a heating roller provided with a core roller and at least two resistance heating members arranged at the core roller and controlled to be electrically powered independently of each other, the resistance heating members provide different heat distributions in a direction of a rotation axis of the heating roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.