发明授权
- 专利标题： Voltage generating apparatus for stably controlling voltage
- 专利标题（中）： 用于稳定控制电压的电压产生装置
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申请号： US14470533申请日： 2014-08-27
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公开(公告)号： US09450493B2公开(公告)日： 2016-09-20
- 发明人: Osamu Nagasaki , Atsuhiko Yamaguchi , Naoki Nishimura
- 申请人： CANON KABUSHIKI KAISHA
- 申请人地址： JP Tokyo
- 专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人地址： JP Tokyo
- 代理机构： Fitzpatrick, Cella, Harper & Scinto
- 优先权： JP2013-183402 20130904; JP2013-183405 20130904
- 主分类号： G03G15/16
- IPC分类号： G03G15/16 ; H02M3/28 ; G03G15/00 ; H02M1/00
摘要：
A negative bias circuit outputs a DC voltage of a negative polarity. A positive bias circuit outputs a DC voltage of a positive polarity. The DC voltage of the positive polarity is used, for example, as a transfer voltage, and the DC voltage of the negative polarity is used as a cleaning voltage for cleaning toner. A cycle of the clock signal in a period during which the DC voltage of the first polarity is output is longer than a cycle of the clock signal in the period during which the voltage supplied to the load transits from the DC voltage of the first polarity to the DC voltage of the first polarity.
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