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    • 1. 发明申请
    • POWER SUPPLY CONTROL APPARATUS
    • 电源控制装置
    • US20090096293A1
    • 2009-04-16
    • US12200997
    • 2008-08-29
    • Masashi NAKAYAMAShigemi ISHIMAKazuhiro AOKIAkihito TSUKAMOTO
    • Masashi NAKAYAMAShigemi ISHIMAKazuhiro AOKIAkihito TSUKAMOTO
    • H01H9/54
    • H03K17/74H03K17/162H03K17/567Y10T307/839Y10T307/937Y10T307/944
    • The present invention is to provide a power supply control apparatus which can connect a ground to a suitable electric potential when the ground is disconnected. The power supply control apparatus includes a control circuit having a switch element and a switch control unit, and a load. One terminal of load is connected to a direct-current power supply through the switch element, and the other terminal is connected to a ground electric potential. The switch control unit has a ground terminal connected to the ground electric potential and outputting a ground current flowing toward the ground electric potential. The control circuit includes a bypass device having a load side bypass system for passing the ground current to the ground electric potential through the load when connection between the ground terminal and the ground electric potential is disconnected. The load includes impedance for changing the electric potential of ground terminal into an electric potential in which the switch control unit stably acts when the ground current flows.
    • 本发明是提供一种电源控制装置,其在接地断开时可将接地连接到合适的电位。 电源控制装置包括具有开关元件和开关控制单元以及负载的控制电路。 负载的一个端子通过开关元件连接到直流电源,而另一个端子连接到接地电位。 开关控制单元具有连接到接地电位的接地端子,并输出流向接地电位的接地电流。 控制电路包括旁路装置,该旁路装置具有负载侧旁路系统,用于在接地端子和接地电位之间的连接断开时通过负载将接地电流传递到接地电位。 负载包括用于将接地端子的电位改变为当接地电流流动时开关控制单元稳定地起作用的电位的阻抗。
    • 2. 发明申请
    • POWDER FEEDING DEVICE AND IMAGE FORMING APPARATUS
    • 粉末进料装置和图像形成装置
    • US20140341618A1
    • 2014-11-20
    • US14450832
    • 2014-08-04
    • Yukio OTOMEMasashi NAKAYAMAHiroyuki MABUCHI
    • Yukio OTOMEMasashi NAKAYAMAHiroyuki MABUCHI
    • G03G15/08
    • G03G15/0877G03G15/0822G03G15/0879
    • A powder feeding device includes a powder container, a feeding tank in communication with the powder container, a negative pressure room in communication with the feeding tank via a suction port communicating tube; an air suction device in communication with the negative pressure room via a negative pressure room communication tube; a suction port opening and closing unit that opens and closes the suction port communicating tube; a negative pressure room opening and closing unit that opens and closes of the negative pressure room communication tube; an output port opening and closing unit that opens and closes an output port of the feeding tank; and a controller that performs negative pressure generation control, powder supply control, and powder discharge control. Further, the controller simultaneously starts the negative pressure generation control and the powder discharge control.
    • 粉末供给装置包括粉末容器,与粉末容器连通的供给罐,经由吸入口连通管与供给罐连通的负压室; 空气抽吸装置,经由负压室连通管与负压室连通; 吸入口打开和关闭单元,其打开和关闭所述吸入口连通管; 负压室开闭单元,负压室连通管的开闭; 输出口打开和关闭单元,其打开和关闭所述进料罐的输出口; 以及执行负压产生控制,粉末供给控制和粉末排放控制的控制器。 此外,控制器同时开始负压产生控制和粉末排放控制。