发明授权
- 专利标题： Heating device, auxiliary power supplying device, auxiliary power supplying system, fixing device, and image forming apparatus
- 专利标题（中）： 加热装置，辅助供电装置，辅助供电系统，定影装置和成像装置
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申请号： US11624489申请日： 2007-01-18
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公开(公告)号： US07421224B2公开(公告)日： 2008-09-02
- 发明人: Kazuhito Kishi , Susumu Matsusaka , Takashi Fujita , Eriko Konno
- 申请人： Kazuhito Kishi , Susumu Matsusaka , Takashi Fujita , Eriko Konno
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2002-204137 20020712; JP2002-323863 20021107
- 主分类号： G03G15/20
- IPC分类号： G03G15/20
摘要：
A heating device of the invention comprises a heater, a main power supply, and an auxiliary power supply. The heater includes a main heating element which generates heat with power supplied from the main power supply, and an auxiliary heating element which has a resistance different from a resistance of the main heating element and generates heat with power supplied from the auxiliary power supply. The auxiliary power supply is provided to supply to the auxiliary heating element a current that is different from a current supplied from the main power supply to the main heating element.
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