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1. 发明授权

US5701553A Multi-color image forming apparatus having high developability without fogging and without mixing of colors 失效
标题翻译：具有高显影性且无雾化且不混色的多色成像装置
公开(公告)号：US5701553A
公开(公告)日：1997-12-23
申请号：US506389
申请日：1995-07-24
申请人： Isao Endo , Toru Komatsu , Yotaro Sato , Hiroyuki Nomori , Kunio Shigeta , Masahiro Onodera
发明人： Isao Endo , Toru Komatsu , Yotaro Sato , Hiroyuki Nomori , Kunio Shigeta , Masahiro Onodera
IPC分类号： G03G15/08 , G03G15/09 , G03G15/06
CPC分类号： G03G15/09 , G03G15/0803 , G03G2215/0621
摘要： A development apparatus for developing a latent image formed on an image forming body with a developer so as to obtain a toner image. A developer conveyance unit conveys the developer, including a toner, to a development zone, between the developer conveyance unit and the image forming body, from an upstream side of the development zone in a conveyance direction to a downstream side thereof. A plate member having an electrode portion is positioned at the upstream side of the development zone, wherein a downstream end portion of the plate member is positioned in contact with the development zone. A power supply unit applies a first voltage, including a DC component and an AC component, to the developer conveyance unit so that an electric field is generated at the development zone. The power supply unit applies a second voltage, including a DC component, to the electrode portion of the plate member, and the plate member controls the electric field with the second voltage. The development apparatus satisfies: V.sub.AC >.vertline.V.sub.DEN .vertline.-.vertline.V.sub.DC .vertline. when an amplitude of the AC component of the first voltage is defined as V.sub.AC (volts), the DC component of the first voltage is defined as V.sub.DC (volts), and the DC component of the second voltage is defined as V.sub.DEN (volts). The development apparatus satisfies: 10.multidot..vertline.Qt.vertline..multidot.d.sub.t .multidot.D.sub.1 >V.sub.AC >5.multidot..vertline.Qt.vertline..multidot.d.sub.t .multidot.D.sub.2 when a closest distance from the developer conveyance unit to the image forming body is defined as D.sub.1 (mm), a closest distance from the developer conveyance unit to the electrode portion is defined as D.sub.2 (mm), an average charge-to-mass of the toner is defined as Qt (.mu.C/g), and an average particle size of the toner is defined as dt (.mu.m).
摘要翻译：一种用显影剂显影形成在图像形成体上的潜像以获得调色剂图像的显影装置。显影剂输送单元将显影剂（包括调色剂）从显影区域的输送方向的上游侧向下游侧输送到显影剂输送单元和图像形成体之间的显影区域。具有电极部分的板状部件位于显影区域的上游侧，其中板状部件的下游端部与显影区域接触。电源单元将包括DC分量和AC分量的第一电压施加到显影剂输送单元，使得在显影区域产生电场。电源单元将包括DC分量的第二电压施加到板构件的电极部分，并且板构件以第二电压来控制电场。显影装置满足：VAC> | VDEN | - | VDC | 当第一电压的AC分量的振幅被定义为VAC（伏特）时，第一电压的直流分量被定义为VDC（伏特），并且第二电压的直流分量被定义为VDEN（伏特）。当从显影剂输送单元到图像形成体的最近距离定义为D1（mm）时，显影装置满足：10x | Qt | xdtxD1> VAC> 5x | Qt | xdtxD2，距离显影剂输送单元至电极部分定义为D2（mm），将调色剂的平均电荷质量定义为Qt（μC/ g），将调色剂的平均粒径定义为dt（μm）。

2. 发明授权

US5602630A Developing device 失效
标题翻译：开发设备
公开(公告)号：US5602630A
公开(公告)日：1997-02-11
申请号：US529092
申请日：1995-09-15
申请人： Isao Endo , Toru Komatsu , Yotaro Sato , Kunio Shigeta , Hiroyuki Nomori
发明人： Isao Endo , Toru Komatsu , Yotaro Sato , Kunio Shigeta , Hiroyuki Nomori
IPC分类号： G03G13/09 , G03G15/09
CPC分类号： G03G13/09 , G03G2215/0607 , G03G2215/0609 , G03G2215/0619
摘要： A non-contact type of developing device for use in an image forming apparatus having an image forming body, includes a developer conveying body facing the image forming body in which a magnet body having a plurality of magnet poles are attached therein, to convey two-component developer in the form of a developer layer onto a developing area and a control electrode provided at the developing area or upstream of the developing area. The control electrode has an electrically insulating member which is in contact with or close to the developing layer, and an electrode to which a voltage is applicable is attached to the insulating member. The following condition is satisfied: ##EQU1## where D.sub.T represents a number of toner layers on the assumption that the toner particles passing through the developing area are filled most densely, D.sub.WS represents a conveying amount (mg/cm.sup.2) of the developer layer at the developing area on the developer conveying body, T.sub.c represents a toner concentration (%) in the developer, dt represents an average sphere equivalent diameter (.mu.m) of toner in the developer, .rho.t represents a toner density (g/cm.sup.3) in the developer, vs represents a circumferential speed (mm/s) of the developer conveying body at the developing area, and vp represents a circumferential speed (mm/s) of the image forming body at the developing area.
摘要翻译：一种用于具有图像形成主体的图像形成装置中的非接触型显影装置，包括：面向图像形成主体的显影剂输送主体，其中附接有多个磁极的磁体，显影剂层形式的显影剂组分显影剂和设置在显影区域的显影区域或显影区域上游的控制电极。控制电极具有与显影层接触或靠近显影层的电绝缘构件，并且能够施加电压的电极附着到绝缘构件。满足以下条件：其中DT代表通过显影区域的调色剂颗粒最密集地填充的调色剂层数，DWS表示显影剂层的输送量（mg / cm 2）显影剂输送体上的显影区域，Tc表示显影剂中的调色剂浓度（％），dt表示显影剂中调色剂的平均球当量直径（μm），rho表示显影剂输送体中调色剂浓度（g / cm 3）显影剂vs表示显影剂输送体在显影区域的圆周速度（mm / s），vp表示图像形成体在显影区域的圆周速度（mm / s）。

3. 发明授权

US5604573A Developing unit with a smoothing plate 失效
标题翻译：具有平滑板的显影单元
公开(公告)号：US5604573A
公开(公告)日：1997-02-18
申请号：US331390
申请日：1994-10-28
申请人： Isao Endo , Satoshi Haneda , Yotaro Sato , Hiroyuki Nomori
发明人： Isao Endo , Satoshi Haneda , Yotaro Sato , Hiroyuki Nomori
IPC分类号： G03G15/09 , G03G15/06
CPC分类号： G03G15/09 , G03G2215/0609 , G03G2215/0643
摘要： A developing apparatus for developing an electrostatic latent image on an image retainer with two-component developer has a rotatable sleeve having a closest position on which the sleeve comes closest to the image retainer, a first magnet fixed in the sleeve in close proximity to the closest position, a second magnet disposed upstream of the first magnet in relation to a rotation direction of the sleeve and a control electrode member. The control electrode member includes an insulating plate member arranged either to be brought into contact with or to be positioned adjacent to the sleeve and a line-shaped electrode member fixed to the plate member.
摘要翻译：用于使用双组分显影剂在图像保持器上显影静电潜像的显影装置具有最接近位置的可旋转套筒，套筒最靠近图像保持器，固定在套筒中的第一磁体紧邻最接近相对于套筒的旋转方向设置在第一磁体的上游的第二磁体和控制电极部件。控制电极构件包括布置成与套筒接触或邻近套筒定位的绝缘板构件和固定到板构件的线状电极构件。

4. 发明授权

US5995797A Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet 失效
标题翻译：图像形成装置，其以未受干扰且稳定的方式将未定影的调色剂图像传送到定影装置，使得可以在片材的两面上形成图像
公开(公告)号：US5995797A
公开(公告)日：1999-11-30
申请号：US81513
申请日：1998-05-20
申请人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda , Toshihide Miura
发明人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda , Toshihide Miura
IPC分类号： G03G15/00 , G03G15/20
CPC分类号： G03G15/657 , G03G15/2028 , G03G2215/00413 , G03G2215/00586 , G03G2215/2083
摘要： In an image forming apparatus provided with a first image carrying member; a belt-shaped second image carrying member onto which a toner image is transferred from the first image carrying member; a pair of rotatable fixing members forming a nip region for fixing the toner images transferred on the both sides of the sheet; a conveying device for guiding the sheet separated from an end of the belt-shaped second image carrying member to the pair of rotatable fixing members, when the sheet is nipped and conveyed through the nip region of the pair of rotatable fixing members, the belt-shaped second image carrying member and the pair of rotatable fixing members are arranged such that the sheet is conveyed so as to form a loop protruding from a line connecting the entrance of the nip region and the end of the belt-shaped second image carrying member.
摘要翻译：在具有第一图像承载部件的图像形成装置中，带状的第二图像承载构件，其上从第一图像承载构件转印调色剂图像; 一对可旋转的固定构件，形成用于固定转印在纸张两侧的调色剂图像的辊隙区域; 所述输送装置用于将所述片材从所述带状第二图像承载构件的一端分离到所述一对可旋转固定构件时，当所述片材被夹持并输送通过所述一对可旋转固定构件的所述夹持区域时，所述一对可旋转固定构件被布置成使得所述片材被输送以形成从连接所述夹持区域的入口和所述带状第二图像承载构件的端部的线突出的环。

5. 发明授权

US5970277A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5970277A
公开(公告)日：1999-10-19
申请号：US248081
申请日：1999-02-10
申请人： Kunio Shigeta , Yotaro Sato , Satoshi Haneda , Hisayoshi Nagase
发明人： Kunio Shigeta , Yotaro Sato , Satoshi Haneda , Hisayoshi Nagase
IPC分类号： G03G21/00 , G03G15/00 , G03G15/14 , G03G15/23
CPC分类号： G03G15/6535 , G03G15/231 , G03G2215/017 , G03G2215/1623
摘要： The present invention relates to an image forming apparatus which forms images on both surfaces of a sheet-shaped medium using the electrophotographic method. There is described a double-sided image forming apparatus, which includes a first and a second image bearing elements to bear toner images, a first and a second transfer units for transferring the toner images to the sheet-shaped medium from the first and the second image bearing elements, a fixing unit for fixing the toner images transferred to the sheet-shaped medium, a discharger to discharge electric charges residing on the sheet-shaped medium, a detector to detect thickness and/or stiffness data of the sheet-shaped medium, and a controller to control a first image forming mode which enables to form images on both surfaces of the sheet-shaped medium, and to control a second image forming mode which enables to form an image on only a single surface of the sheet-shaped medium.
摘要翻译：本发明涉及使用电子照相法在片状介质的两个表面上形成图像的图像形成装置。描述了一种双面图像形成装置，其包括用于承载调色剂图像的第一和第二图像承载元件，用于将调色剂图像从第一和第二图像转印到片状介质的第一和第二转印单元图像承载元件，用于固定转印到片状介质的调色剂图像的定影单元，放电器，以排出驻留在片状介质上的电荷;检测器，用于检测片状介质的厚度和/或刚度数据以及控制器，用于控制能够在片状介质的两个表面上形成图像的第一图像形成模式，并且控制能够仅在片状介质的单个表面上形成图像的第二图像形成模式中。

6. 发明授权

US06347200B1 Duplex image forming apparatus 失效
标题翻译：双面成像装置
公开(公告)号：US06347200B1
公开(公告)日：2002-02-12
申请号：US09698951
申请日：2000-10-27
申请人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda
发明人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda
IPC分类号： G03G1516
CPC分类号： G03G15/238 , G03G15/232
摘要： The present invention concerns a duplex image forming apparatus, which can form images on both sides of a transfer sheet by employing an intermediate transfer element. The duplex image forming apparatus includes an image bearing member; a toner image forming section to form a toner image on the image bearing member; an intermediate transfer element, shaped like a belt, to bear the toner image transferred from the image bearing member and to convey a transfer sheet; a transfer sheet charging device to apply a bias voltage onto the transfer sheet at the charging position, so that the transfer sheet adheres onto the intermediate transfer element; a first transfer device to transfer the toner image onto the transfer sheet or the intermediate transfer element; a second transfer device to transfer the toner image borne on the intermediate transfer element onto the transfer sheet; and a control section to control a transfer current or a transfer voltage applied to the first transfer device.
摘要翻译：本发明涉及一种双面图像形成装置，其可以通过采用中间转印元件在转印纸的两面上形成图像。双面成像设备包括图像承载部件; 调色剂图像形成部分，用于在图像承载部件上形成调色剂图像; 中间转印元件，形状类似于带，以承载从图像承载部件转印的调色剂图像并输送转印纸; 转印片材充电装置，用于在充电位置向转印片施加偏压，使得转印片粘附到中间转印元件上; 用于将调色剂图像转印到转印片或中间转印元件上的第一转印装置; 第二转印装置，将承载在中间转印元件上的调色剂图像转印到转印纸上; 以及控制部分，用于控制施加到第一转印装置的转印电流或转印电压。

7. 发明授权

US06205301B1 Two-sided image forming apparatus 有权
标题翻译：双面成像装置
公开(公告)号：US06205301B1
公开(公告)日：2001-03-20
申请号：US09468500
申请日：1999-12-21
申请人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda
发明人： Kunio Shigeta , Yotaro Sato , Hisayoshi Nagase , Satoshi Haneda
IPC分类号： G03G1516
CPC分类号： G03G15/232 , G03G2215/017 , G03G2215/0497
摘要： A two-sided image forming apparatus includes: an image carrying member; a toner image forming device for forming a toner image on the image carrying member; a belt-shaped intermediate transfer body for conveying a transfer material, having a volume resistivity R (&OHgr;·cm) wherein the following expression is satisfied, 109≦R
摘要翻译：双面图像形成装置包括：图像承载部件; 调色剂图像形成装置，用于在图像承载部件上形成调色剂图像; 用于输送转印材料的带状中间转印体，其具有体积电阻率R（OMEGA.cm），其中满足以下表达式：109 <= R 1012; 用于将图像承载构件上的调色剂图像转印到转印材料的中间转印体或前表面上的主转印装置; 以及用于将中间转印体上的调色剂图像转印到转印材料的后表面上的二次转印装置。满足以下表达式：0.2≤I（1B）/ V <= 0.7和0.6×I（1B）<= I（2）<= 1.4×I（1B），其中I（1B）（muA）表示绝对值当图像承载部件上的调色剂图像通过一次转印装置转印到转印材料的正面时，一次转印电流I（2）（μA）表示当调色剂图像的二次转印电流的绝对值中间转印体通过二次转印装置转印到转印材料的背面，V（mm / sec）表示中间转印体的移动速度。

8. 发明授权

US5761573A Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side 失效
标题翻译：用于双面图像形成的图像形成装置，每侧具有适当调节的图像浓度或色调
公开(公告)号：US5761573A
公开(公告)日：1998-06-02
申请号：US821878
申请日：1997-03-21
申请人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Masakazu Fukuchi , Akitoshi Matsubara , Tadayoshi Ikeda
发明人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Masakazu Fukuchi , Akitoshi Matsubara , Tadayoshi Ikeda
IPC分类号： G03G15/01 , G03G15/23 , G03G15/16
CPC分类号： G03G15/231 , G03G15/01 , G03G2215/0187 , G03G2215/0193
摘要： In an image forming apparatus provided with a photoreceptor on which a obverse toner image is formed, a toner image receiving body on which a reverse toner image is transferred from the photoreceptor, and transfer devices to transfer the obverse image onto one side of a sheet and to transfer the reverse image onto the other side of the sheet. An image forming condition for the reverse image is changed to be different from that for the obverse image.
摘要翻译：在设置有形成正面调色剂图像的感光体的图像形成装置中，从感光体转印反色调色剂图像的调色剂图像接收体和将正面图像转印到片材的一面上的转印装置，以及将反转图像转印到纸张的另一面上。反转图像的图像形成条件被改变为与正面图像不同。

9. 发明授权

US5826143A Image forming apparatus with two transfer means 失效
标题翻译：具有两个传送装置的图像形成装置
公开(公告)号：US5826143A
公开(公告)日：1998-10-20
申请号：US821877
申请日：1997-03-21
申请人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Masakazu Fukuchi , Akitoshi Matsubara , Tadayoshi Ikeda
发明人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Masakazu Fukuchi , Akitoshi Matsubara , Tadayoshi Ikeda
IPC分类号： G03G15/23 , H04N1/29 , H04N1/32 , G03G15/36
CPC分类号： H04N1/233 , G03G15/231 , H04N1/2338 , H04N1/2369 , H04N1/295 , H04N1/32464 , H04N1/3247 , H04N1/32561 , G03G2215/017 , H04N1/3248 , H04N2201/0081 , H04N2201/0082 , H04N2201/3292
摘要： An image forming apparatus for forming images corresponding to image data of plural pages. The apparatus includes: a photoreceptor; a toner image former for forming a toner image on the photoreceptor in correspondence with the image data; a toner image receiving body for receiving the toner image from the toner image former and for carrying the toner image; the first transfer means for transferring the toner image on the photoreceptor onto one side surface of a transfer sheet; the second transfer means for transferring the toner image on the toner image receiving body onto the other side surface of the transfer sheet; a fixer for fixing the toner image, being transferred onto the transfer sheet, on the transfer sheet; a discharger, having plural discharging modes, for discharging the transfer sheet; and a control means for controlling the toner image former; wherein the control means arranges a combination of a first toner image formation onto the transfer sheet, being performed with the photoreceptor and the first transfer means, and second toner image formation onto the transfer sheet, being performed with the toner image receiving body and the second transfer means, in response to a given order of pages in the image data or to a discharging mode, selected from the discharging modes, of the discharger.
摘要翻译：一种用于形成与多页的图像数据相对应的图像的图像形成装置。该装置包括：感光体; 调色剂图像形成装置，用于根据图像数据在感光体上形成调色剂图像; 调色剂图像接收体，用于从调色剂成像器接收调色剂图像并携带调色剂图像; 用于将感光体上的调色剂图像转印到转印纸的一个侧表面上的第一转印装置; 第二转印装置，用于将调色剂图像接收体上的调色剂图像转印到转印纸的另一个侧表面上; 用于将转印到转印纸上的调色剂图像定影在转印纸上的定影剂; 具有多个放电模式的放电器，用于排出转印片; 以及用于控制调色剂成像器的控制装置; 其中所述控制装置将由所述感光体和所述第一转印装置进行的转印纸上的第一调色剂图像形成和所述转印纸上的第二调色剂图像组合布置成与所述调色剂图像接收体和所述第二调色剂图像形成传送装置，响应于从放电模式中选择的图像数据中的页面的给定顺序或放电模式。

10. 发明授权

US5822666A Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device 失效
标题翻译：图像形成装置包括用于消除由清洁装置引起的机械冲击的机构
公开(公告)号：US5822666A
公开(公告)日：1998-10-13
申请号：US837921
申请日：1997-04-11
申请人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Tadayoshi Ikeda , Masakazu Fukuchi , Akitoshi Matsubara
发明人： Satoshi Haneda , Kunio Shigeta , Yotaro Sato , Tadayoshi Ikeda , Masakazu Fukuchi , Akitoshi Matsubara
IPC分类号： G03G15/16 , G03G15/23 , G03G15/00 , G03G15/01 , G03G15/14
CPC分类号： G03G15/161 , G03G15/166 , G03G15/231 , G03G2215/017 , G03G2215/1661
摘要： An apparatus for forming an image on a sheet member includes a photoreceptor drum on which a first toner image and a second toner image are separately formed; an image carrying belt on which the second toner image is transferred from the photoreceptor drum; a first transfer device to transfer the first toner image from the photoreceptor drum to a first side of the sheet member; a second transfer device to transfer the second toner image from the image carrying belt to the other side of the sheet member; and a cleaner capable of being brought in contact with anal separated from the image carrying belt. The cleaner is brought in contact with the image carrying belt after the first toner image is transferred from the photoreceptor drum to the first side of the sheet member.
摘要翻译：一种用于在片状构件上形成图像的装置包括：感光鼓，分别形成有第一调色剂图像和第二调色剂图像; 图像承载带，其上从感光鼓转移第二调色剂图像; 第一转印装置，用于将第一调色剂图像从感光鼓转印到片材的第一侧; 第二转印装置，用于将第二调色剂图像从图像承载带转移到片材的另一侧; 以及能够与从图像承载带分离的肛门接触的清洁剂。在将第一调色剂图像从感光鼓转印到片材的第一侧之后，使清洁剂与图像承载带接触。

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