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    • 5. 发明授权
    • Color electrophotographic apparatus and method
    • 彩色电子照相设备和方法
    • US4809038A
    • 1989-02-28
    • US910985
    • 1986-09-24
    • Hajime YamamotoYuji Takashima
    • Hajime YamamotoYuji Takashima
    • G03G15/01
    • G03G15/0126
    • A color electrographic apparatus is provided including a latent image forming device for forming plural electrostatic latent images respectively corresponding to image signals of different colors on the surface of a photoconductor, a plurality of toners of different colors each of which has the same polarity as the photoconductor, and a plurality of developing devices which are disposed in the vicinity of the photoconductor and each of which contain a colored toner for respectively developing the latest image without contact with the photoconductor under a direct electric field. A toner image is formed by a repeating cycle of making electric charges on the surface of the photoconductor, activating the latent image forming device so as to light expose an image corresponding to respective image signals of different colors on the surface of the photoconductor and activating a respective developing device so as to develop the exposed image by a respective toner corresponding to the image signal. Even further, a reversal flying preventing device is provided for preventing reversal flying of toner of the image from the photoconductor to one of the developing devices which is not developing as the image passes before the developing device.
    • 提供一种彩色电摄影装置,其包括:潜像形成装置,用于分别对应于光电导体表面上的不同颜色的图像信号形成多个静电潜像,多个不同颜色的调色剂具有与感光体相同的极性 以及多个显影装置,其设置在感光体附近,并且每个显影装置包含用于在直接电场下分别显影最新图像而不与感光体接触的着色调色剂。 通过在光电导体的表面上产生电荷的重复循环形成调色剂图像,激活潜像形成装置,以便在感光体的表面上曝光对应于各种不同颜色的图像信号的图像,并激活 通过与图像信号相对应的各个调色剂显影曝光图像。 更进一步地,提供了防止反转防止装置,用于防止图像的调色剂从感光体向显影装置之前通过的未显影的显影装置之一反转。