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    • 4. 发明授权
    • Pin array scorotron charging system for small diameter printer photoreceptors
    • 针阵列扫帚机充电系统,用于小直径打印机感光体
    • US07430388B2
    • 2008-09-30
    • US11327585
    • 2006-01-06
    • Michael F. ZonaDan A. HaysKenneth W. Pietrowski
    • Michael F. ZonaDan A. HaysKenneth W. Pietrowski
    • G03G15/02
    • G03G15/0291G03G2215/028
    • Non-contact corona charging of a small radius moving surface to a desired surface voltage with a single corona charging system with a first corona generator applying a first charge through a screen grid having a first bias voltage to initially charge the surface to more than half of the desired voltage, and then a second corona generator applies the remainder of the desired surface charge through a separate screen grid having a second bias voltage. The two corona generators may be spaced pin arrays angled relative to one another and substantially perpendicular to their adjacent moving surface areas. The two screen grids may be electrically planar and angled relative to one another, substantially parallel to their adjacent moving surface areas.
    • 使用具有第一电晕发生器的单个电晕放电系统将小半径移动表面的非接触电晕充电到期望的表面电压,所述第一电晕发生器通过具有第一偏置电压的筛网施加第一电荷,以初始地将表面充电至超过一半 期望的电压,然后第二电晕发生器通过具有第二偏置电压的单独的屏蔽栅施加所需表面电荷的剩余部分。 两个电晕发生器可以是相对于彼此成角度并且基本上垂直于它们相邻的移动表面区域的间隔开的销排列。 两个筛网可以是电平面的并且相对于彼此成角度,基本上平行于它们相邻的移动表面区域。
    • 7. 发明授权
    • Non-interactive development apparatus for electrophotographic machines having electroded donor member and AC biased electrode
    • 具有电镀供体构件和AC偏置电极的电子照相机的非交互式显影装置
    • US06895202B2
    • 2005-05-17
    • US10666880
    • 2003-09-19
    • Jack T. LeStrangeDan A. Hays
    • Jack T. LeStrangeDan A. Hays
    • G03G15/08
    • G03G15/0806G03G2215/0634G03G2215/0656
    • A non-interactive development system generates a toner cloud in a development zone by an AC biased stationary electrode positioned in contact with the back surface of a movable toned dielectric donor belt having a patterned electrode structure on the front surface thereof. The AC biased electrode produces AC fringe fields near the edges of the patterned electrode structure that cause the generation of a toner cloud for developing an electrostatic latent image. The donor belt is partially wrapped around a magnetic brush to produce a toner loading zone. Isolated patterned electrodes on the donor belt near the entrance region of the toner loading zone are biased to cause unloading of toner from the donor belt, while isolated electrodes near the exit region of the toner loading zone are biased to cause toner reloading of the donor belt.
    • 非交互式显影系统通过AC偏压固定电极在显影区域中产生调色剂云,所述AC偏压固定电极定位成与其表面上具有图案化电极结构的可移动调色电介质给体带的后表面接触。 AC偏置电极在图案化电极结构的边缘附近产生AC条纹场,其导致产生用于显影静电潜像的调色剂云。 给体带部分地缠绕在磁刷上以产生调色剂加载区。 在调色剂装载区域的入口区域附近的供体带上的隔离图案电极被偏压以使得调色剂从供体带卸载,而在调色剂装载区域的出口区域附近的隔离电极被偏置以引起给体带的调色剂再装载 。