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    Tandem type color image forming device
    1.
    发明授权
    Tandem type color image forming device 有权
    串联型彩色图像形成装置

    公开(公告)号：US06389260B1

    公开(公告)日：2002-05-14

    申请号：US09714126

    申请日：2000-11-17

    申请人： Hiroshi Kataoka ,  Tadasu Taniguchi ,  Keizo Fukunaga ,  Eiichi Kido ,  Jitsuo Masuda ,  Naoki Fukudo

    发明人： Hiroshi Kataoka ,  Tadasu Taniguchi ,  Keizo Fukunaga ,  Eiichi Kido ,  Jitsuo Masuda ,  Naoki Fukudo

    IPC分类号： G03G1501

    CPC分类号： G03G15/0194 ,  G03G2215/0119 ,  G03G2215/0132

    摘要： Toner image forming means for forming toner images having chromatic colors of Y, M and C, respectively, are disposed on one side of an intermediate transfer belt, while disposing toner image forming means for forming a black toner image on the other side of the intermediate transfer belt, alone and on a most downstream side of all the toner image forming means. Further, when a toner image on the intermediate transfer belt includes toner having a reverse polarity, a transfer or developing process is controlled to reduce electrostatic attraction force acting on an image carrier, thus providing a color image forming device having a main body reduced in size and capable of faster image formation of a monochromatic image which is more frequently used, and of efficiently forming a color image by suppressing a back-transfer phenomenon and improving color reproducibility.

    摘要翻译： 在中间转印带的一侧分别配置有分别具有Y，M和C的色彩的调色剂图像的调色剂图像形成装置，同时在中间转印带的另一侧上设置用于形成黑色调色剂图像的调色剂图像形成装置 转印带单独且位于所有调色剂图像形成装置的最下游侧。 此外，当中间转印带上的调色剂图像包括具有相反极性的调色剂时，控制转印或显影处理以减少作用在图像载体上的静电吸引力，从而提供具有减小尺寸的主体的彩色图像形成装置 并且能够更快速地形成更频繁使用的单色图像，并且通过抑制反转移现象和提高颜色再现性来有效地形成彩色图像。

    Image forming apparatus and method for determining suitability of replaceable component
    3.
    发明授权
    Image forming apparatus and method for determining suitability of replaceable component 有权
    用于确定可更换部件适用性的图像形成装置和方法

    公开(公告)号：US06678482B2

    公开(公告)日：2004-01-13

    申请号：US10243944

    申请日：2002-09-16

    申请人： Jitsuo Masuda ,  Masayasu Narimatsu ,  Hiroshi Kawamoto ,  Hiroaki Yoshida ,  Masahiro Sakai ,  Naoki Fukudo ,  Yuichiro Takesue

    发明人： Jitsuo Masuda ,  Masayasu Narimatsu ,  Hiroshi Kawamoto ,  Hiroaki Yoshida ,  Masahiro Sakai ,  Naoki Fukudo ,  Yuichiro Takesue

    IPC分类号： G03G1500

    CPC分类号： H04N1/295 ,  G03G15/0855 ,  G03G15/0865 ,  G03G15/0867 ,  G03G2221/1823

    摘要： An object of the invention is to make an exact judgment on suitability of a replaceable component such as a toner supplying container with use of an existing mechanism of an image forming apparatus, without additionally providing a data storage component designed for a consumable product which is detachably attached to the apparatus, or a data reading component to be placed in the image forming apparatus main body. In an incorporated control section, a specific part of a replaceable component, which is placed on an original platform prior to being loaded into the apparatus, is optically scanned to read image information, and, based on the reading result, whether or not the replaceable component is suitable for the image forming apparatus is judged.

    摘要翻译： 本发明的目的是对使用图像形成装置的现有机构的可更换部件如调色剂供给容器的适用性做出准确的判断，而不另外提供设计用于可拆卸式的消费品的数据存储部件 附接到该装置，或者将要放置在图像形成装置主体中的数据读取部件。 在并入的控制部分中，光学地扫描在被装载到装置中之前放置在原始平台上的可更换部件的特定部分，以读取图像信息，并且基于读取结果，是否可更换 组件适用于图像形成设备的判断。

    Image forming apparatus, program, storage medium, and method for cleaning photoreceptor
    4.
    发明申请
    Image forming apparatus, program, storage medium, and method for cleaning photoreceptor 有权
    图像形成装置，程序，存储介质和清洁感光体的方法

    公开(公告)号：US20070098471A1

    公开(公告)日：2007-05-03

    申请号：US11588228

    申请日：2006-10-27

    申请人： Hiroshi Kawamoto ,  Jitsuo Masuda ,  Masayasu Narimatsu ,  Naoki Fukudo

    发明人： Hiroshi Kawamoto ,  Jitsuo Masuda ,  Masayasu Narimatsu ,  Naoki Fukudo

    IPC分类号： G03G21/00

    CPC分类号： G03G21/0005 ,  G03G2221/0026 ,  G03G2221/0089

    摘要： An image forming apparatus and a method for cleaning a photoreceptor are realized that allow cleaning a surface of the photoreceptor to eliminate foreign substances adhering thereto, without using a special abrasive sheet. A recording sheet is fed and brought into contact with photoreceptors of all photoreceptor drums. The recording sheet is stopped by causing the vicinity of a rear end of the recording sheet to be sandwiched between a pair of registration rollers. Then, the photoreceptor drums are rotated. By this way, the cleaning is carried out to the photoreceptor.

    摘要翻译： 实现了一种用于清洁感光体的图像形成装置和方法，其可以清洁感光体的表面以消除附着在其上的异物，而不使用特殊的研磨片。 记录纸被馈送并与所有感光鼓的感光体接触。 通过使记录纸的后端附近夹在一对配准辊之间来停止记录纸。 然后，感光鼓被旋转。 通过这种方式，对感光体进行清洁。

    Image forming apparatus
    5.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US06308018B1

    公开(公告)日：2001-10-23

    申请号：US09640705

    申请日：2000-08-18

    申请人： Hiroaki Yoshida ,  Jitsuo Masuda ,  Junji Morimoto ,  Eiichi Kido ,  Masahiro Sakai ,  Atsushi Inoue ,  Takayuki Yamanaka

    发明人： Hiroaki Yoshida ,  Jitsuo Masuda ,  Junji Morimoto ,  Eiichi Kido ,  Masahiro Sakai ,  Atsushi Inoue ,  Takayuki Yamanaka

    IPC分类号： G03G1508

    CPC分类号： G03G15/0105 ,  G03G15/0126 ,  G03G2215/00042 ,  G03G2215/0177 ,  G03G2215/2074

    摘要： The image forming portion of this image forming apparatus includes a LSU, a photosensitive drum, a developing unit holder, a multiple number of developing units, an intermediate transfer element, a transfer element and a fixing unit. All the developing units are of an identical configuration. Therefore, for replacement of developing units, the operator may and should remove any color of developing unit in the same fashion and attach a fresh developing unit of the color in the same fashion. The image forming portion sets up the image forming conditions for individual colors in the developing order.

    摘要翻译： 该图像形成装置的图像形成部分包括LSU，感光鼓，显影单元保持器，多个显影单元，中间转印元件，转印元件和定影单元。 所有的显影单元都具有相同的配置。 因此，为了更换显影单元，操作员可以并且应该以相同的方式去除任何颜色的显影单元，并且以相同的方式附着新鲜的显色单元。 图像形成部按照显影顺序设定各种颜色的图像形成条件。

    Developing apparatus
    6.
    发明授权
    Developing apparatus 有权
    开发设备

    公开(公告)号：US06459867B2

    公开(公告)日：2002-10-01

    申请号：US09769384

    申请日：2001-01-26

    申请人： Toshihide Ohgoshi ,  Shigeyuki Wakada ,  Eiichi Kido ,  Atsushi Inoue ,  Takayuki Yamanaka ,  Masahiro Sakai ,  Hiroshi Ishii ,  Jitsuo Masuda

    发明人： Toshihide Ohgoshi ,  Shigeyuki Wakada ,  Eiichi Kido ,  Atsushi Inoue ,  Takayuki Yamanaka ,  Masahiro Sakai ,  Hiroshi Ishii ,  Jitsuo Masuda

    IPC分类号： G03G1508

    CPC分类号： G03G15/0812 ,  G03G15/0817

    摘要： A developing apparatus capable of supplying a uniform thin layer of toner and of preventing toner scattering and leakage is provided, where the developing apparatus includes a supply roller for supplying toner to an outer peripheral surface of a toner carrier, the toner carrier for transferring the supplied toner by rotation and a layer thickness controlling member for controlling a thickness of the layer of the supplied toner at a predetermined value while making slide contact with the outer peripheral surface of the toner carrier via the toner, wherein the thin toner layer is supplied to an electrostatic latent image on an image carrier. The layer thickness controlling member is formed of an elastic plate to have a bent portion convex toward the toner carrier. The layer thickness controlling member is held by sealing members so that the bent portion makes elastic contact with the toner carrier outer peripheral surface over a nearly entire length of the toner carrier.

    摘要翻译： 提供了能够提供均匀的薄层调色剂和防止调色剂飞散和泄漏的显影装置，其中显影装置包括用于向调色剂载体的外周表面供应调色剂的供应辊，用于传送供给的调色剂 通过旋转调色剂和层厚度控制构件，用于在通过调色剂与调色剂载体的外周表面滑动接触的同时将供给的调色剂层的厚度控制在预定值，其中将薄调色剂层供应到 图像载体上的静电潜像。 层厚度控制构件由弹性板形成为具有朝向调色剂载体凸起的弯曲部分。 层厚控制构件由密封构件保持，使得弯曲部分在调色剂承载件的几乎整个长度上与调色剂承载件外周表面弹性接触。

    Developing device, image forming device equipped therewith, and developing density adjusting method
    8.
    发明授权
    Developing device, image forming device equipped therewith, and developing density adjusting method 有权
    显影装置，装配有成像装置和显影密度调节方法

    公开(公告)号：US07257336B2

    公开(公告)日：2007-08-14

    申请号：US11033682

    申请日：2005-01-13

    申请人： Masayasu Narimatsu ,  Masakatsu Hayashi ,  Hiroshi Kawamoto ,  Makoto Uehara ,  Jitsuo Masuda

    发明人： Masayasu Narimatsu ,  Masakatsu Hayashi ,  Hiroshi Kawamoto ,  Makoto Uehara ,  Jitsuo Masuda

    IPC分类号： G03G15/08

    CPC分类号： G03G15/5041 ,  G03G15/0853 ,  G03G2215/00042 ,  G03G2215/0609 ,  G03G2215/0685 ,  G03G2215/085 ,  G03G2215/0888

    摘要： In case of a developing density correction based on a test image (patch image) density, normally, the developing density is carried out in a short period of time by correction (γ correction) of a developing bias and a grid voltage (S11). When a correction amount of the γ correction exceeds an ordinary range, the γ correction (S11) and adjustment of toner concentration (magnetic permeability reference value) (S5) are carried out in combination. Furthermore, when the toner concentration is changed, the setting of a correction reference of the γ correction (γ correction TBL) and correction timing of the γ correction are accordingly changed (S6, S7). Therefore, in the developing density correction based on the test image density in the developing device using binary developer, it is possible to carry out the developing density correction, which is carried out in a short time, and whose correction width is wide, while maintaining the accuracy of a developing density adjustment.

    摘要翻译： 在基于测试图像（贴片图像）密度的显影浓度校正的情况下，通常，通过显影偏压和电网电压的校正（伽马校正）在短时间内进行显影密度（S11） 。 当伽马校正的校正量超过普通范围时，组合进行伽马校正（S11）和调色剂浓度（磁导率基准值）（S 5）的调整。 此外，当调色剂浓度改变时，相应地改变伽马校正（伽马校正TBL）的校正基准的设置和伽马校正的校正定时（S6，S7）。 因此，在使用二次显影剂的显影装置中基于测试图像浓度的显影浓度校正中，可以执行在短时间内执行的显影浓度校正，并且其校正宽度大，同时保持 发展密度调整的准确性。

    Image-quality stabilizer for an electrophotographic apparatus
    10.
    发明授权
    Image-quality stabilizer for an electrophotographic apparatus 失效
    用于电子照相设备的图像质量稳定器

    公开(公告)号：US5333037A

    公开(公告)日：1994-07-26

    申请号：US22740

    申请日：1993-02-24

    申请人： Katsushi Inoue ,  Jitsuo Masuda ,  Teruhiko Noguchi ,  Itaru Kawabata

    发明人： Katsushi Inoue ,  Jitsuo Masuda ,  Teruhiko Noguchi ,  Itaru Kawabata

    IPC分类号： G03G15/00 ,  G03G15/16 ,  G03G21/00

    CPC分类号： G03G15/5041 ,  G03G15/1645 ,  G03G2215/00042

    摘要： An image-quality stabilizer for an electrophotographic apparatus forms a toner patch on a photoreceptor drum, detects the amount of toner attracted to the photoreceptor drum by an optical sensor, and controls each processing device so that the detected value is equal to a reference value which has been detected and stored when the number of image forming operations performed is low. After the control, the toner patch is transferred to a transfer sheet, and the amount of toner remaining on the photoreceptor drum is detected. The reference value is adjusted based on the detected value so as to compensate for a lowering of transfer efficiency. Or the lowering of transfer efficiency is compensated by controlling variables such as transfer output so that the detected value is equal to a reference residual value which has been detected and stored when the number of image forming operations performed is low. This arrangement restrains a lowering of image density due to a change in the transfer efficiency. It is therefore possible to control stabilizing the image quality accurately and to form images of stable quality.

    摘要翻译： 用于电子照相设备的图像质量稳定器在感光鼓上形成调色剂贴片，通过光学传感器检测吸引到感光鼓的调色剂的量，并控制每个处理装置，使得检测值等于参考值， 当执行的图像形成操作的数量低时已经检测和存储。 在控制之后，将调色剂贴片转印到转印纸上，并检测剩余在感光鼓上的调色剂量。 基于检测值来调整基准值，以补偿转印效率的降低。 或者通过控制诸如传送输出的变量来补偿传送效率的降低，使得当所执行的图像形成操作的数量低时，检测值等于已经被检测和存储的参考剩余值。 这种布置限制了由于转印效率的变化而导致的图像浓度的降低。 因此，可以精确地控制图像质量的稳定化并形成质量稳定的图像。