Resistance heating element and heating member and fusing device employing the same
US9165701B2 · kind B2 · utility
1Cited by
15References
18Claims
0Family size
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Key dates
| Filing date | Dec 2, 2013 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jan 15, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resistance heating element includes a positive temperature coefficient resistance heating layer having a positive temperature coefficient, and a negative temperature coefficient resistance heating layer, which is connected to the positive temperature coefficient resistance heating layer and has a negative temperature coefficient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.