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    • 4. 发明申请
    • HIGH-FREQUENCY BANDING REDUCTION FOR ELECTROPHOTOGRAPHY
    • 用于电子照相的高频带减少
    • WO2011022034A1
    • 2011-02-24
    • PCT/US2010/002153
    • 2010-08-03
    • EASTMAN KODAK COMPANYSTELTER, Eric Carl
    • STELTER, Eric Carl
    • G03G15/09
    • G03G15/0935
    • A method for reducing high-frequency banding in an electrophotographic development station having a rotating shell (44) and a photoconductor (32) is disclosed. A rotating speed of the rotating shell is adjusted relative to a photoconductor (32) such that a banding reduction ratio is not a ratio of differing low whole numbers. Another method for reducing high-frequency- banding in an electrophotographic development station having a rotating shell (44) and a rotating magnetic core (46) is also disclosed. A rotating speed of the rotating shell (44) is adjusted relative to a rotating speed of the rotating magnetic core (46) such that from the point of view of a spot on a dielectric support member (DSM) (32) in a nip region of the DSM, a similar point on the rotating shell (44) is substantially in alignment with the DSM spot in the nip region when a pole flip occurs.
    • 公开了一种用于降低具有旋转外壳(44)和感光体(32)的电子照相显影台中的高频带的方法。 旋转壳​​体的旋转速度相对于光电导体(32)进行调节,使得条带缩小率不是不同的低整数的比率。 还公开了一种用于在具有旋转壳(44)和旋转磁芯(46)的电子照相显影台中降低高频带的另一种方法。 旋转壳​​体(44)的旋转速度相对于旋转磁芯(46)的旋转速度进行调整,使得从咬合区域中的电介质支撑构件(DSM)(32)上的点的角度来看, DSM的旋转壳体(44)上的相似点在发生杆翻转时基本上与夹点区域中的DSM点对准。
    • 6. 发明申请
    • DEVELOPER STATION WITH AUGER SYSTEM
    • 具有奥格系统的开发者站
    • WO2010117416A1
    • 2010-10-14
    • PCT/US2010/000935
    • 2010-03-29
    • EASTMAN KODAK COMPANYSTELTER, Eric CarlLIVADAS, Jerry E.
    • STELTER, Eric CarlLIVADAS, Jerry E.
    • G03G15/08G03G15/09
    • G03G15/09G03G15/0887G03G15/0893G03G2215/0838
    • A developer station (10) and method for an electrophotographic printer is provided that reduces developer agitation. The developer station includes a sump (23) of magnetic developer, and a magnetic brush roller (22) mounted above said sump and having a rotatable magnetic core (24) surrounded by a substantially cylindrical toning shell (26) rotatably mounted with respect to the core. The toning shell defines a nip at its closest point to the photoconductor element (7). A tangent line tangent to the cylindrical toning shell at the nip is oriented substantially vertically, and the magnetic developer is applied to the toning shell at an angular distance of no more than about 120° from said nip. The toning shell may be eccentrically mounted with respect to the magnetic core and is substantially closest to the rotatable magnetic core within about +30° and -30° from said nip. Such a configuration advantageously reduces the residence time of the developer on the toning shell.
    • 提供一种用于电子照相打印机的显影剂站(10)和方法,其减少显影剂搅拌。 显影站包括磁性显影剂的贮槽(23)和安装在所述贮槽上方的磁刷辊(22),并且具有由基本上圆柱形的调色壳体(26)包围的可旋转的磁芯(24),该可旋转磁芯相对于 核心。 调色壳在其最靠近感光体元件(7)的点处限定一个辊隙。 在辊隙处与圆柱形调色壳相切的切线基本上垂直取向,并且磁性显影剂以与所述辊隙不超过约120°的角距离施加到调色壳。 调色壳体可以相对于磁芯偏心地安装,并且基本上最接近可旋转的磁芯在距离所述辊隙约+ 30°和-30°的范围内。 这种配置有利地减少了显影剂在调色壳上的停留时间。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR PROVIDING A STABLE AND HIGH FLOW RATE OF DEVELOPER IN AN ELECTROGRAPHIC PRINTER
    • 用于在电子打印机中提供稳定和高流量开发者的系统和方法
    • WO2010147620A1
    • 2010-12-23
    • PCT/US2010/001592
    • 2010-06-01
    • EASTMAN KODAK COMPANYSTELTER, Eric Carl
    • STELTER, Eric Carl
    • G03G15/08G03G15/09
    • G03G15/0808G03G15/09
    • A developer system (10) and method for an electrographic printer is provided that provides a stable and high rate of developer flow to the photoconductor drum (20) of the printer. The system includes a magnetic brush (14) having a magnetic core (16) surrounded by a toning shell (18) that rotatably conveys a layer of developer to the photoconductor element; a sump (26) containing a reservoir of developer, and a self-metering conveyor roller (21) having a maximum magnetic field strength on its outer surface of between about 230 and 1000 gauss, and a minimum magnetic field strength of no less than about 30% of the maximum field strength. A driving assembly (42) rotates the conveyor roller at a saturation speed that saturates the capacity of the conveyor roller to deliver developer to said toning shell. The self-metering conveyor roller obviates the need for a metering skive to provide a stable flow rate of developer, and increases the printing speed of the printer by providing a higher flow rate of developer to the photoconductor drum of the printer.
    • 提供了一种用于电印机的显影剂系统(10)和方法,其向打印机的感光鼓(20)提供稳定且高的显影剂流量。 该系统包括磁刷(14),磁刷(14)具有由调色壳体(18)围绕的磁芯(16),该调色壳体可旋转地将显影剂层传送到感光体元件; 包含显影剂储存器的贮槽(26)和在其外表面上具有介于约230和1000高斯之间的最大磁场强度的自动计量输送辊(21)和不小于约 30%的最大场强。 驱动组件(42)以饱和速度使输送辊旋转,饱和速度使输送辊的容量饱和,以将显影剂输送到所述调色壳。 自动计量输送辊不需要一个计量滑板来提供显影剂的稳定流速,并且通过向打印机的感光鼓提供更高流速的显影剂来提高打印机的打印速度。