Fixing device and image forming apparatus incorporating same
US9207597B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jan 16, 2014 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Jan 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2032
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device includes a rotator having a heat generation layer, an excitation coil to inductively heat the heat generation layer, ferromagnetic cores to direct magnetic flux arising from the excitation coil to the rotator, and a holder to hold the excitation coil and the ferromagnetic cores. In the fixing device, the ferromagnetic cores include multiple cores disposed astride the excitation coil at a turning part on each end of the excitation coil in a longitudinal direction of the excitation coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.