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    • 30. 发明授权
    • Image forming apparatus and image reading apparatus having interface selection for power saving
    • 图像形成装置和图像读取装置具有省电的接口选择
    • US08982375B2
    • 2015-03-17
    • US13415806
    • 2012-03-08
    • Naoki Nishikawa
    • Naoki Nishikawa
    • G06K15/00H04N1/00G06F1/32
    • H04N1/00896G06F1/3284G06F1/3287G06K15/4055H04N2201/0094Y02D10/159Y02D10/171Y02D50/20
    • An image forming apparatus includes: an image forming unit; a power supply controller controls the image forming apparatus to operate in a normal mode and a power saving mode, in which supply of power to the image forming unit is cut off; and a plurality of interfaces that receives a transition command for transitioning from the power saving mode to the normal mode. The power supply controller performs an interface-power supply process of supplying power to at least one interface; a first change process of changing power supply destinations in the interface-power supply process so as to reduce an amount of power supply in the interface-power supply process; and a second change process of changing the power supply destinations in the interface-power supply process after the first change process so as to further reduce the amount of power supply.
    • 图像形成装置包括:图像形成单元; 电源控制器控制图像形成装置在正常模式和省电模式下操作,其中对图像形成单元的电力供应被切断; 以及多个接口,其接收用于从省电模式转换到正常模式的转换命令。 电源控制器执行向至少一个接口供电的接口电源处理; 在接口供电处理中改变供电目的地的第一变更处理,以减少接口供电处理中的供电量; 以及在第一改变处理之后改变接口电源处理中的电源目的地的第二改变处理,以进一步减少电力供应量。