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    • 3. 发明申请
    • Electrographic distributed replenishment apparatus and method
    • 电子分配补充装置及方法
    • US20070098452A1
    • 2007-05-03
    • US11265637
    • 2005-11-02
    • Eric StelterJames FlickJoseph Guth
    • Eric StelterJames FlickJoseph Guth
    • G03G15/08
    • G03G15/0891G03G15/0877G03G2215/0827
    • A developer station and related method for distributed replenishment of toner as well as powder coatings and related materials. The developer station is divided into a first space adjacent or within a second space, the first space located adjacent a toner supply and the second space including a developer sump. The first space includes a toner-conveying device located in the first space, the toner-conveying device having a tapered body with a first end and a second end. A conveyance housing is located adjacent to and disposed such that the toner conveying device conveys the toner toward the developer sump as it travels from the first end of the toner conveying device to the second end of the toner conveying device, the housing having slots or openings so that the toner is deposited in the developer sump along the length of the conveying device.
    • 用于分散补充调色剂以及粉末涂料和相关材料的开发者站和相关方法。 显影站被分成邻近或在第二空间内的第一空间,位于调色剂供应附近的第一空间和包括显影剂贮槽的第二空间。 所述第一空间包括位于所述第一空间中的调色剂输送装置,所述调色剂输送装置具有带第一端和第二端的锥形体。 输送壳体邻近并布置为使得当调色剂输送装置从调色剂输送装置的第一端行进到调色剂输送装置的第二端时将调色剂传送给显影剂贮槽,该壳体具有槽或开口 使得调色剂沿着输送装置的长度沉积在显影剂贮槽中。
    • 8. 发明授权
    • Reduction of banding and mottle in electrophotographic systems
    • 减少电子照相系统中的条带和斑点
    • US06885833B2
    • 2005-04-26
    • US10176956
    • 2002-06-21
    • Eric C. StelterKenneth P. FriedrichJoseph Guth
    • Eric C. StelterKenneth P. FriedrichJoseph Guth
    • G03G15/00
    • G03G15/5041G03G15/5037G03G2215/00042G03G2215/00054
    • A mechanism and process for detecting mottle or banding in a developed electrophotographic image. Within an electrophotographic reproduction apparatus 10, a photoconductor is used for receiving and developing a latent image. The photoconductor traverses a path that passes a charging station 28, an exposure station 34, a toning station 38, and a transfer station 46. Either a densitometer 76 for measuring the density of the developed image on the photoconductor, or an electrometer 50a or 50b for detecting the voltage of the image on the photoconductor, detects mottle or banding on the developed image. The densitometer 76 or electrometer 50a or 50b has an aperture small enough to detect mottle or banding with wavelengths perceptible by human eyes. A logic and control unit 24 averages the image density or voltage measurements, calculates the variations of the measurements about the average and the periodicities of the measurements, and if the variations or periodicities indicate mottle or banding is present, changes the operation of one or more stations to reduce mottle or banding.
    • 用于在显影的电子照相图像中检测斑点或条带的机理和方法。 在电子照相再现装置10中,光电导体用于接收和显影潜像。 光电导体穿过通过充电站28,曝光站34,调色站38和传送站46的路径。 用于测量光电导体上显影图像的浓度的光密度计76或用于检测感光体上的图像的电压的静电计50a或50b检测显影图像上的斑点或条带。 密度计76或静电计50a或50b具有足够小的孔径以用人眼可察觉的波长检测斑点或条带。 逻辑和控制单元24对图像浓度或电压测量进行平均,计算关于测量的平均值和周期性的测量值的变化,并且如果变化或周期性指示斑点或条带存在,则改变一个或多个 站点减少斑驳或条带。