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    • 2. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20130209117A1
    • 2013-08-15
    • US13755152
    • 2013-01-31
    • CANON KABUSHIKI KAISHA
    • Yuichi Ikeda
    • G03G15/02
    • G03G15/05G03G15/0136G03G15/0266
    • An image-forming apparatus includes: a first image-forming portion; a second image-forming portion; an executing portion for executing an operation in a first mode in which an image is formed on a recording material by the first and second image-forming portions or a second mode in which an image is formed by the second image-forming portion; an AC-voltage source; a first DC-voltage source; a second DC-voltage source; and a controller for controlling the first and second voltage sources and the AC-voltage source so that in the first mode, application of the AC voltage by the AC-voltage source and the DC voltages by the first and second DC-voltage source are performed, and so that in the second mode, application of the DC voltage by the second DC-voltage source is performed, and application of the AC voltage by the AC-voltage source and the DC voltage by the first DC-voltage source are stopped.
    • 图像形成装置包括:第一图像形成部; 第二图像形成部分; 执行部分,用于执行第一模式的操作,其中通过第一和第二图像形成部分在记录材料上形成图像,或第二模式,其中通过第二图像形成部分形成图像; 交流电压源; 第一直流电压源; 第二直流电压源; 以及用于控制第一和第二电压源和AC电压源的控制器,使得在第一模式中,执行由AC电压源施加的AC电压和由第一和第二DC电压源施加的DC电压 并且因此在第二模式中,执行由第二直流电压源施加的直流电压,并且停止通过交流电压源施加交流电压和第一直流电压源的直流电压。
    • 3. 发明授权
    • Image forming apparatus with selective utilization of AC voltage source
    • 具有选择性利用交流电压源的图像形成装置
    • US08934796B2
    • 2015-01-13
    • US13755152
    • 2013-01-31
    • Canon Kabushiki Kaisha
    • Yuichi Ikeda
    • G03G15/02G03G15/05G03G15/01
    • G03G15/05G03G15/0136G03G15/0266
    • An image-forming apparatus includes a first image-forming portion; a second image-forming portion; an executing portion for executing an operation in a first mode in which an image is formed on a recording material by the first and second image-forming portions or a second mode in which an image is formed by the second image-forming portion; an AC-voltage source; a first DC-voltage source; a second DC-voltage source; and a controller for controlling the first and second DC-voltage sources and the AC-voltage source. In the first mode, application of the AC voltage by the AC-voltage source and the DC voltages by the first and second DC-voltage sources are performed, and in the second mode, application of the DC voltage by the second DC-voltage source is performed, and application of the AC voltage by the AC-voltage source and the DC voltage by the first DC-voltage source are stopped.
    • 图像形成装置包括:第一图像形成部; 第二图像形成部分; 执行部分,用于执行第一模式的操作,其中通过第一和第二图像形成部分在记录材料上形成图像,或第二模式,其中通过第二图像形成部分形成图像; 交流电压源; 第一直流电压源; 第二直流电压源; 以及用于控制第一和第二DC电压源和AC电压源的控制器。 在第一模式中,执行由AC电压源施加的交流电压和由第一和第二直流电压源施加的直流电压,并且在第二模式中,通过第二直流电压源施加直流电压 并且停止通过AC电压源施加交流电压和由第一直流电压源施加直流电压。