Heater, fixing unit and image forming apparatus having power supplied from chargeable auxiliary power supplying unit varied per unit time
US7609988B2 · kind B2 · utility
30Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2004 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Jun 12, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heater is operable with a main power supply unit and a chargeable auxiliary power supplying unit. The heater includes a heater part having one or a plurality of heater elements to receive power from the main and auxiliary power supplying units, a detecting part to detect information related to the heater part, and a controller to vary an energy supplied from the auxiliary power supply unit to the heater part per unit time based on the information detected by the detecting part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.