Image heating apparatus with detection of an abnormal state of heater element groups
US7536124B2 · kind B2 · utility
3Cited by
0References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2007 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Nov 20, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2039
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image heating apparatus includes a plurality of heater element groups each having a plurality of heater elements. The heater elements are arranged along a direction intersecting an advancing direction of a recording material, and generate heat upon energization to heat a toner image on the recording material. A detecting mechanism is provided for detecting an abnormal state of the heater groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.