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    • 6. 发明授权
    • Latent electrostatic image developing device
    • 潜在静电图像显影装置
    • US4395112A
    • 1983-07-26
    • US300525
    • 1981-09-09
    • Nobuhiro MiyakawaKiyoshi ShibataToshio WatanabeYosuke Ohata
    • Nobuhiro MiyakawaKiyoshi ShibataToshio WatanabeYosuke Ohata
    • G03G15/00G03G15/06G03G15/09
    • G03G15/065
    • A latent electrostatic image developing device for developing a latent electrostatic image formed on an image-bearing member by applying a developer thereto. The developing device comprises a developer applicator means for holding the developer on its surface, carrying the developer to a developing zone and applying it to the latent electrostatic image in the developing zone and a bias voltage applying means for applying a bias voltage to the developer held on the surface of the developer applicator means. The developing device further includes a detector means for detecting the relative humidity of the environmental atmosphere and a control means for changing the magnitude of the applied bias voltage to a lower value when the detected relative humidity of the atmosphere exceeds a predetermined value.
    • 一种静电潜像显影装置,用于通过将显影剂施加到图像承载部件上来形成静电潜像。 显影装置包括用于将显影剂保持在其表面上的显影剂施加装置,将显影剂携带到显影区域并将其施加到显影区域中的静电潜像;以及偏置电压施加装置,用于向显影剂施加偏置电压 在显影剂施加装置的表面上。 显影装置还包括用于检测环境气氛的相对湿度的检测器装置和当所检测的大气相对湿度超过预定值时将所施加的偏置电压的大小改变为较低值的控制装置。