发明授权
US4607320A Power supply device having a switched primary power supply and control
means for maintaining a constant off period and a variable on period
失效
具有切换的一次电源的电源装置和用于维持恒定的关闭周期和可变周期的控制装置
- 专利标题： Power supply device having a switched primary power supply and control means for maintaining a constant off period and a variable on period
- 专利标题（中）： 具有切换的一次电源的电源装置和用于维持恒定的关闭周期和可变周期的控制装置
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申请号： US570836申请日： 1984-01-16
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公开(公告)号： US4607320A公开(公告)日： 1986-08-19
- 发明人: Toshiro Matui , Koji Suzuki , Jyoji Nagahira , Kunio Yoshihara , Kazuyoshi Takahashi , Tadashi Ishikawa
- 申请人： Toshiro Matui , Koji Suzuki , Jyoji Nagahira , Kunio Yoshihara , Kazuyoshi Takahashi , Tadashi Ishikawa
- 申请人地址： JPX 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： JPX Tokyo
- 优先权： JPX58-9920 19830126
- 主分类号： H02M3/28
- IPC分类号： H02M3/28 ; H02M3/335
摘要：
A power supply device has improved power efficiency and stability for use in a copier or the like. The primary power supply to the device being switched with a constant turned-off period to achieve variable power supply control.
公开/授权文献
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