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1.发明授权公开(公告)号：US08385754B2
公开(公告)日：2013-02-26
申请号：US12859387
申请日：2010-08-19
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G2215/0609
摘要： An image forming apparatus includes an image bearing member for bearing a latent image; a developing device, including a developer carrying member for carrying and feeding a developer including toner and a carrier to a developing position in which the developer opposes the image bearing member, for developing the latent image formed on the image bearing member; a discharging portion for permitting discharge of an excessive developer present in the developing device by supplying the developer into the developing device; a feeding member for feeding the developer in the developing device; a controller for controlling a forced discharging operation for discharging the excessive developer from the discharging portion by changing a driving condition of at least one of the developer carrying member and the feeding member; and a detecting device for detecting information correlating to flowability of the developer in the developing device. The controller is capable of controlling the forced discharging operation on the basis of a detection result of the detecting device.
摘要翻译： 图像形成装置包括用于承载潜像的图像承载部件; 显影装置，包括用于将显影剂（包括调色剂和载体）携带并供给到显影位置的显影剂承载构件，其中显影剂与图像承载部件相对，用于使形成在图像承载部件上的潜像显影; 排出部分，用于通过将显影剂供应到显影装置中来排出存在于显影装置中的过量显影剂; 用于将显影剂供给到显影装置中的进给构件; 控制器，用于通过改变至少一个显影剂承载构件和进给构件的驱动状态来控制从排出部排出过量显影剂的强制排出操作; 以及用于检测与显影装置中的显影剂的流动性相关的信息的检测装置。 控制器能够根据检测装置的检测结果控制强制放电操作。
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公开(公告)号：US07277649B2
公开(公告)日：2007-10-02
申请号：US11314091
申请日：2005-12-22
IPC分类号： G03G15/08
CPC分类号： G03G15/0121 , G03G15/0803 , G03G2215/0177
摘要： A developing apparatus for developing an electrostatic image with light chromatic toner and dark chromatic toner which have the same hue, the developing device includes a light color developing device for accommodating a developer containing the light chromatic toner and carrier to develop the electrostatic image; a dark color developing device for accommodating a developer containing the dark chromatic toner and carrier to develop the electrostatic image; light color developer supply container accommodating a developer containing the light chromatic toner and the carrier to be supplied to the light color developing device; and dark color developer supply container accommodating a developer containing the dark chromatic toner and the carrier to be supplied to the dark color developing device, wherein the developer in the light chromatic toner supply container and the developer in the dark chromatic toner supply container have carrier weight ratios which are different from each other.
摘要翻译： 一种显影装置，用于使用具有相同色调的浅色调色剂和深色调色剂显影静电图像，所述显影装置包括用于容纳含有所述浅色调色剂和载体的显影剂以显影所述静电图像的浅色显影装置; 深色显影装置，用于容纳含有深色调色剂和载体的显影剂以显影静电图像; 浅色显影剂供应容器，容纳含有所述浅色调色剂和所述载体的显影剂供应到所述浅色显影装置; 和深色显影剂供应容器，其容纳包含暗色调色剂和载体的显影剂供给暗色显影装置，其中，浅色调色剂供应容器中的显影剂和暗色调色剂供应容器中的显影剂具有载体重量 相互不同的比例。
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公开(公告)号：US20070053720A1
公开(公告)日：2007-03-08
申请号：US11439982
申请日：2006-05-25
CPC分类号： G03G15/0893 , G03G15/0877 , G03G15/0886 , G03G2215/0177 , G03G2215/0802
摘要： In a developing apparatus provided with a developer container containing a developer, a rotary member holding the developer container and rotatively moving it relative to a developing position, an opening portion provided in the developer container and through which the developer is supplied or discharged, a valve swingable to open and close the opening portion, and a restricting wall restricting the movement of the valve in an opening direction by contacting with the valve when the valve is in an opened position, an irregularity portion is provided on at least one of the contact surface of the valve with the restricting wall and the contact surface of the restricting wall with the valve.
摘要翻译： 在设置有容纳显影剂的显影剂容器的显影装置中，保持显影剂容器并相对于显影位置使其旋转移动的旋转构件，设置在显影剂容器中并且显影剂通过其供应或排出的开口部分， 可旋转地打开和关闭开口部分;以及限制壁，其在阀处于打开位置时通过与阀接触来限制阀在打开方向上的运动，在接触表面中的至少一个上设置有不规则部分 的阀门与限制壁和限制壁的接触表面与阀。
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4.发明授权Developing apparatus with first and second developing bearing members each including a magnetic field generator wherein a peak position magnetic force of the second developing members is a defined value 有权具有第一和第二显影轴承部件的显影装置各自包括磁场发生器，其中第二显影部件的峰值位置磁力是定义值公开(公告)号：US07054584B2
公开(公告)日：2006-05-30
申请号：US11166111
申请日：2005-06-27
申请人： Fumitake Hirobe
发明人： Fumitake Hirobe
IPC分类号： G03G15/09
CPC分类号： G03G15/0921 , G03G9/107 , G03G2215/0648
摘要： A developing apparatus for developing an electrostatic image formed on an image bearing member includes a first developer bearing member for bearing magnetic developer to transport it to a first developing portion, a first magnetic field generator stationarily provided in the first developer bearing member, a second developer bearing member for bearing magnetic developer to transport it to a second developing portion, and a second magnetic field generator stationarily provided in the second developer bearing member. The first developer bearing member and the second developer bearing member supply the magnetic developer to the electrostatic image on the image bearing member in the mentioned order. In addition, a peak value of a normal line direction component of a magnetic force generated in the vicinity of the second developing portion is greater than a peak value of a normal line direction component of a magnetic force generated in the vicinity of the first developing portion.
摘要翻译： 用于显影形成在图像承载部件上的静电图像的显影装置包括用于承载磁性显影剂以将其传送到第一显影部分的第一显影剂承载部件，固定地设置在第一显影剂承载部件中的第一磁场发生器， 支承构件用于承载磁性显影剂以将其运送到第二显影部分，以及固定地设置在第二显影剂承载构件中的第二磁场发生器。 第一显影剂承载构件和第二显影剂承载构件以所述顺序将磁性显影剂供应到图像承载构件上的静电图像。 另外，在第二显影部附近产生的磁力的法线方向分量的峰值大于在第一显影部附近产生的磁力的法线方向分量的峰值 。
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公开(公告)号：US20050213999A1
公开(公告)日：2005-09-29
申请号：US11076925
申请日：2005-03-11
申请人： Fumitake Hirobe
发明人： Fumitake Hirobe
CPC分类号： G03G15/5041 , G03G2215/00037 , G03G2215/0891
摘要： image which develops the image density control electrostatic image formed on the image bearing member by the developing apparatus, wherein, in case the detection result by an environment detection portion is changed by a predetermined value or the replenishment developer is renewed, the process advances to a mode of performing the image density control, while performing the replenishing operation by developer replenishing means not depending on the result detected by the image density detection portion but based on the detection result of the developer density detecting means.
摘要翻译： 通过显影装置形成在图像承载部件上形成的图像浓度控制静电图像的图像，其中，如果由环境检测部分的检测结果改变预定值或补充显影剂更新，则处理进行到 执行图像浓度控制的模式，同时根据显影剂浓度检测装置的检测结果执行不依赖于图像浓度检测部分检测到的结果的显影剂补充装置的补充操作。
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公开(公告)号：US20110200347A1
公开(公告)日：2011-08-18
申请号：US13025560
申请日：2011-02-11
申请人： Fumitake Hirobe
发明人： Fumitake Hirobe
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G15/0173 , G03G15/5058 , G03G2215/00059 , G03G2215/00067
摘要： An image forming apparatus includes an image forming unit configured to form a toner image on an image bearing member, a first detection unit configured to detect a height of the toner image formed according to a predetermined image forming condition by the image forming unit, a determination unit configured to determine an image forming condition of the image forming unit according to a detection result of the first detection unit, a second detection unit configured to detect a density of the toner image formed according to a predetermined image forming condition by the image forming unit, and a correction unit configured to correct the image forming condition of the image forming unit determined by the determination unit based on the density of the toner image detected by the second detection unit.
摘要翻译： 图像形成装置包括：图像形成单元，被配置为在图像承载部件上形成调色剂图像;第一检测单元，被配置为检测由图像形成单元根据预定图像形成条件形成的调色剂图像的高度;确定 被配置为根据第一检测单元的检测结果确定图像形成单元的图像形成条件的单元，被配置为根据图像形成单元检测根据预定图像形成条件形成的调色剂图像的浓度的第二检测单元 以及校正单元，被配置为基于由第二检测单元检测到的调色剂图像的浓度来校正由确定单元确定的图像形成单元的图像形成条件。
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7.发明授权Image forming apparatus with a developer comprising at least a toner and a first external additive 有权具有显影剂的图像形成装置至少包括调色剂和第一外部添加剂公开(公告)号：US07596345B2
公开(公告)日：2009-09-29
申请号：US11466600
申请日：2006-08-23
IPC分类号： G03G15/08
CPC分类号： G03G15/0152 , G03G15/0121 , G03G15/0173 , G03G2215/0177
摘要： An image forming apparatus includes a developing apparatus for developing an electrostatic image with a developer comprising at least a toner and a first external additive, the developing apparatus including a plurality of developing devices, containing toners different in color or lightness from each other, in which at least two developing devices contain a dark color toner and a light color toner which have an identical hue and different lightnesses and the developing device containing the light color toner is subjected to a developing operation prior to another developing device; a first transfer apparatus for sequentially transferring toner images, which have been developed by the plurality of developing devices, onto an intermediary transfer member; and a second transfer apparatus for transferring the toner images from the intermediary transfer member all together onto a transfer medium The first external additive includes particles having an aspect ratio of not less than 1.0 and not more than 1.5 and a number-average particle size of not less than 0.06 μm and not more than 0.3 μm, and has a coverage thereof with respect to the light color toner larger than that with respect to the dark color toner in a transferred state on the intermediary transfer member.
摘要翻译： 图像形成装置包括：用至少具有调色剂和第一外部添加剂的显影剂显影静电图像的显影装置，所述显影装置包括多个显影装置，所述显影装置包含彼此颜色或亮度不同的调色剂，其中 至少两个显影装置包含具有相同色调和不同亮度的深色调色剂和浅色调色剂，并且包含浅色调色剂的显影装置在另一显影装置之前经受显影操作; 用于将已由多个显影装置开发的调色剂图像顺序转印到中间转印部件上的第一转印装置; 以及用于将调色剂图像从中间转印部件一起转印到转印介质上的第二转印装置。第一外部添加剂包括长宽比不小于1.0且不大于1.5的数均粒径不大于 小于0.06μm和不大于0.3μm，并且相对于在中间转印部件的转印状态下的深色调色剂，其光色调色剂的覆盖率更大。
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8.发明授权Image forming apparatus including an index feature for extending the life of a photosensitive member 有权图像形成设备包括用于延长感光构件的寿命的折射特征公开(公告)号：US07263318B2
公开(公告)日：2007-08-28
申请号：US11249630
申请日：2005-10-14
IPC分类号： G03G15/09
CPC分类号： G03G15/0921 , G03G2215/0609
摘要： The image forming apparatus has an electrophotographic photosensitive member and a developing device for using a developer including toner and carrier, wherein the developing device develops an electrostatic image on a photosensitive member by putting the developer forming a magnetic brush on a developer bearing member including magnetic field generation device inside in contact with the photosensitive member, and when a contact pressure of the developer on the developer bearing member against the photosensitive member is P (Pa), a circumferential velocity of the developer bearing member is VSl (mm/s), a circumferential velocity of the photosensitive member is VDr (mm/s), and an elastic deformation ratio of the photosensitive member is W (%), a degree of sliding of the photosensitive member by the developer represented ranges from 650 to 60500.
摘要翻译： 图像形成装置具有电子照相感光构件和用于使用包括调色剂和载体的显影剂的显影装置，其中显影装置通过将形成磁刷的显影剂置于包含磁场的显影剂承载构件上而在感光构件上显影静电图像 内部与感光构件接触的发生装置，并且当显影剂承载构件上的显影剂抵靠感光构件的接触压力为P（Pa）时，显影剂承载构件的圆周速度为V S1 >（mm / s），感光体的圆周速度为V Dr（mm / s），感光体的弹性变形率为W（％），滑动的程度 由显影剂表示的感光构件的范围为650至60500。
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公开(公告)号：US07231168B2
公开(公告)日：2007-06-12
申请号：US11140998
申请日：2005-06-01
申请人： Fumitake Hirobe
发明人： Fumitake Hirobe
IPC分类号： G03G15/09
CPC分类号： G03G15/0896 , G03G15/0907 , G03G2215/0119 , G03G2215/0624
摘要： An image forming apparatus which can stably form an image of high quality by the use of a first developer carrying member and a second developer carrying member. On the first developer carrying member, development is performed by a method whereby a magnetic carrier contacts with an image bearing member, and on the second developer carrying member, development is performed by a method whereby the magnetic carrier does not contact with the image bearing member.
摘要翻译： 一种图像形成装置，其可以通过使用第一显影剂承载构件和第二显影剂承载构件稳定地形成高质量的图像。 在第一显影剂承载构件上，通过磁性载体与图像承载构件接触的方法进行显影，并且在第二显影剂承载构件上，通过使磁性载体不与图像承载构件接触的方法进行显影 。
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公开(公告)号：US20060140651A1
公开(公告)日：2006-06-29
申请号：US11314091
申请日：2005-12-22
CPC分类号： G03G15/0121 , G03G15/0803 , G03G2215/0177
摘要： A developing apparatus for developing an electrostatic image with light chromatic toner and dark chromatic toner which have the same hue, the developing device includes a light color developing device for accommodating a developer containing the light chromatic toner and carrier to develop the electrostatic image; a dark color developing device for accommodating a developer containing the dark chromatic toner and carrier to develop the electrostatic image; light color developer supply container accommodating a developer containing the light chromatic toner and the carrier to be supplied to the light color developing device; and dark color developer supply container accommodating a developer containing the dark chromatic toner and the carrier to be supplied to the dark color developing device, wherein the developer in the light chromatic toner supply container and the developer in the dark chromatic toner supply container have carrier weight ratios which are different from each other.
摘要翻译： 一种显影装置，用于使用具有相同色调的浅色调色剂和深色调色剂显影静电图像，所述显影装置包括用于容纳含有所述浅色调色剂和载体的显影剂以显影所述静电图像的浅色显影装置; 深色显影装置，用于容纳含有深色调色剂和载体的显影剂以显影静电图像; 浅色显影剂供应容器，容纳含有所述浅色调色剂和所述载体的显影剂供应到所述浅色显影装置; 和深色显影剂供应容器，其容纳包含暗色调色剂和载体的显影剂供给暗色显影装置，其中，浅色调色剂供应容器中的显影剂和暗色调色剂供应容器中的显影剂具有载体重量 相互不同的比例。
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