公开(公告)号：US5416571A

公开(公告)日：1995-05-16

申请号：US177073

申请日：1994-01-03

申请人： Koutaro Yamada ,  Yasuyuki Tsuji ,  Masayasu Anzai ,  Youji Hirose ,  Yukio Otome ,  Koji Doi ,  Youichi Takeuchi ,  Masami Yamaki ,  Katsuhiko Suzuki ,  Akira Takizawa

发明人： Koutaro Yamada ,  Yasuyuki Tsuji ,  Masayasu Anzai ,  Youji Hirose ,  Yukio Otome ,  Koji Doi ,  Youichi Takeuchi ,  Masami Yamaki ,  Katsuhiko Suzuki ,  Akira Takizawa

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/09

摘要： In a multi-stage roll magnetic brush type of developing device, at least two opposite direction rotation rolls which rotate in an opposite rotation direction to that of a photosensitive body are arranged adjacently and oppositely to a photosensitive body, and at least one same direction rotation developing roll which rotates in the same rotation direction as that of the photosensitive body is arranged adjacently, oppositely to the photosensitive body and upstream of the opposite direction rotation developing rolls in the rotation direction of the photosensitive body. Thus, the path of carrying the developer by the same direction rotation developing roll and the opposite direction rotation developing rolls can be optimized. In the wide area printing at high speed, an image with stabilized printing quality can be obtained without an increase in the production cost.

摘要翻译： 在多级辊式磁刷型显影装置中，与感光体相反的旋转方向旋转的至少两个相反方向的旋转辊相对于感光体相对布置，并且至少一个相同的方向旋转 与感光体相反的旋转方向旋转的显影辊与感光体相反地布置，并且在相反方向的旋转显影辊的上游沿感光体的旋转方向布置。 因此，可以优化通过相同方向旋转显影辊和相反方向旋转显影辊承载显影剂的路径。 在广泛的高速打印中，可以获得具有稳定的打印质量的图像，而不增加生产成本。

公开(公告)号：US5848323A

公开(公告)日：1998-12-08

申请号：US595221

申请日：1996-02-01

申请人： Takao Umeda ,  Ryoji Kojima ,  Masayasu Anzai ,  Michio Yokosuka ,  Katsuhiko Suzuki ,  Tadahiro Kaneko

发明人： Takao Umeda ,  Ryoji Kojima ,  Masayasu Anzai ,  Michio Yokosuka ,  Katsuhiko Suzuki ,  Tadahiro Kaneko

IPC分类号： G03G15/20 ,  G03G15/23 ,  G03G15/16

CPC分类号： G03G15/2053 ,  G03G15/231 ,  G03G2215/2083

摘要： In an electrostatic both-side printing system, a first image forming unit is provided upstream of an image printing medium when viewed in the transporting direction of the image printing medium, and a second image forming unit is provided downstream of the image printing medium. A medium transporting path for transporting the image printing medium is formed between the first and the second image forming units. A first transferring unit, located facing the first image forming unit with the medium transporting path intervening therebetween, for applying no charge onto the rear side of the image printing medium, which does not face the first image forming unit. A second transferring unit being located facing the second image forming unit with the image printing medium with the medium transporting path intervening therebetween, in a state that the second transferring unit is apart from a first toner image formed on the image printing medium by the first image forming unit. In the both-side printing system thus constructed, the first and the second image forming units, and the first and the second transferring units cooperate to form first and second toner images on both sides of the image printing medium, the first and the second toner images being opposite in polarity.

摘要翻译： 在静电双面打印系统中，当从图像打印介质的传送方向观察时，第一图像形成单元设置在图像打印介质的上游，并且第二图像形成单元设置在图像打印介质的下游。 用于传送图像打印介质的介质传送路径形成在第一和第二图像形成单元之间。 第一传送单元，面向第一图像形成单元，其间插入介质传送路径，用于不向第一图像形成单元面对的图像打印介质的后侧施加电荷。 第二传送单元在第二传送单元与由第一图像形成在第一图像打印介质上的第一调色剂图像分开的状态下面对第二图像形成单元定位，其中介质传送路径介于其间的图像打印介质 成型单元。 在如此构造的双面打印系统中，第一和第二图像形成单元以及第一和第二传送单元协作以在图像打印介质的两侧上形成第一和第二调色剂图像，第一和第二调色剂 图像极性相反。

公开(公告)号：US5630201A

公开(公告)日：1997-05-13

申请号：US607094

申请日：1996-02-28

申请人： Katsuhiko Suzuki ,  Takao Umeda ,  Masayasu Anzai

发明人： Katsuhiko Suzuki ,  Takao Umeda ,  Masayasu Anzai

IPC分类号： G03G13/09 ,  G03G15/09

CPC分类号： G03G15/09 ,  G03G13/09

摘要： The present invention provides a development apparatus capable of improving the development pole of a plurality of development rolls and the rotation speed thereof, thus obtaining stable printing quality. A first development roll rotatable in the opposite direction to the moving direction of photosensitive body is disposed in the upstream of it, whereas a group of second development rolls are disposed in the down stream, which development rolls are rotatable in the same direction as the moving direction of photoconductive body and have magnets of the same polarity. The first development roll and the photoconductive body define a peripheral speed ratio ranging from 0.5 to 1.5, while allowing the second development roll and the photoconductive body to define a peripheral speed ratio ranging from 0.6 to 1.5. A development control member is provided between the first development roll and the group of second development rolls. A toner density detector is provided in the downstream of the last one of the group of second development rolls which is disposed in the most significant downstream. A cross mixer and a carrier member are also provided under the first development roll and the group of second development rolls.

摘要翻译： 本发明提供一种能够改善多个显影辊的显影极和其转速的显影装置，从而获得稳定的印刷质量。 在与感光体的移动方向相反的方向上可旋转的第一显影辊设置在其上游，而一组第二显影辊设置在下游中，显影辊可沿与移动的相同的方向旋转 光电导体的方向并具有相同极性的磁体。 第一显影辊和光电导体定义范围为0.5至1.5的圆周速度比，同时允许第二显影辊和光电导体限定范围为0.6至1.5的圆周速度比。 显影控制部件设置在第一显影辊和第二显影辊组之间。 一组调色剂浓度检测器设置在设置在最重要的下游的第二显影辊组中最后一个的下游。 在第一显影辊和第二显影辊组下方还设置有交叉混合器和承载构件。

公开(公告)号：US06032015A

公开(公告)日：2000-02-29

申请号：US9425

申请日：1998-01-20

申请人： Takao Umeda ,  Ryoji Kojima ,  Masayasu Anzai ,  Michio Yokosuka ,  Katsuhiko Suzuki ,  Tadahiro Kaneko

发明人： Takao Umeda ,  Ryoji Kojima ,  Masayasu Anzai ,  Michio Yokosuka ,  Katsuhiko Suzuki ,  Tadahiro Kaneko

IPC分类号： G03G15/20 ,  G03G15/23 ,  G03G15/22

CPC分类号： G03G15/2053 ,  G03G15/231 ,  G03G2215/2083

摘要： A fixing system for fixing toner images onto an image printing system such that the image printing medium bearing the toner images on the obverse side and the reverse sides thereof is passed through a nip area between a pair of fixing rollers. In the nip area, a rotation speed of a first fixing roller, which comes into contact with a not-yet fixed toner image, which is formed on the obverse side of the image printing medium, is set to be substantially equal to a rotation speed of a second fixing roller, which comes in contact with a not-yet fixed toner image, formed on the reverse side of the image printing medium. This is accomplished by setting the diameters of the various layers of the first fixing roller to be equal to that of the second fixing roller. When the image printing medium is moved through the nip area by the fixing rollers, a moving speed of the upper side of the image printing medium is equal to that of the lower side thereof. Thus, stresses on the image printing medium are not caused, and no character blur takes place.

摘要翻译： 一种用于将调色剂图像定影到图像打印系统上的定影系统，使得承载其正面和反面上的调色剂图像的图像打印介质通过一对定影辊之间的辊隙区域。 在夹持区域中，形成在图像打印介质的正面上的与未固定的调色剂图像接触的第一定影辊的旋转速度被设定为基本上等于旋转速度 与形成在图像打印介质的背面上的未固定的调色剂图像接触的第二定影辊。 这是通过将第一定影辊的各层的直径设定为等于第二定影辊的直径来实现的。 当图像打印介质通过定影辊移动通过夹持区域时，图像打印介质的上侧的移动速度等于其下侧的移动速度。 因此，不会引起图像打印介质上的应力，并且不会发生字符模糊。

公开(公告)号：US5701560A

公开(公告)日：1997-12-23

申请号：US675545

申请日：1996-07-03

申请人： Akio Tsujita ,  Masayasu Anzai ,  Tsuneaki Kawanishi

发明人： Akio Tsujita ,  Masayasu Anzai ,  Tsuneaki Kawanishi

IPC分类号： G03G15/00 ,  G03G5/08 ,  G03G13/26 ,  G03G15/04 ,  G03G15/08 ,  G03G15/32 ,  G03G21/08

CPC分类号： G03G15/326 ,  G03G15/04054 ,  G03G21/08

摘要： In an image forming apparatus forming an electrostatic latent image on a surface of a photosensitive body by exposing the charged photosensitive body, developing the latent image using a toner to form a toner image, transferring the toner image to a image holding body, and erasing the remaining charge on the surface of the photosensitive body after completion of the transferring, the photosensitive body is formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si, and wherein the wavelength .lambda..sub.0 of the writing light used for the exposure is limited to a wavelength not larger than 780 nm, the wavelength .lambda..sub.1 of charge erasing light used for the charge erasing is limited to a wavelength smaller than 680 nm, and the time T.sub.1 from completion of the exposure to initiation of the development is limited within the range of 70 milliseconds to 300 milliseconds.

摘要翻译： 在通过曝光带电感光体在感光体的表面上形成静电潜像的图像形成设备中，使用调色剂将潜像显影以形成调色剂图像，将调色剂图像转印到图像保持体上，并且擦除 感光体完成后在感光体的表面上剩余电荷，感光体由As2Se3或a-Si构成的基体材料形成，其中用于曝光的书写光的波长λ0限于 波长不大于780nm，用于电荷擦除的电荷擦除光的波长λ1被限制为小于680nm的波长，并且从开始开始的曝光完成的时间T1被限制在 70毫秒到300毫秒。

公开(公告)号：US4427755A

公开(公告)日：1984-01-24

申请号：US56359

申请日：1979-07-10

申请人： Kazuyoshi Tokunaga ,  Masayasu Anzai

发明人： Kazuyoshi Tokunaga ,  Masayasu Anzai

IPC分类号： G03G15/16 ,  G03G13/16 ,  G03G15/00

CPC分类号： G03G13/16

摘要： In a method for electrophotography comprising an electrostatic transfer process, after an electrostatic latent image formed on a surface of a photoconductive and photosensitive member has been developed with toner, the surface of the photoconductive and photosensitive member and a toner image are charged at the same polarity as the electrostatic latent image and thereafter the toner image is electrostatically transferred onto a recording medium to obtain a record.

摘要翻译： 在包括静电转印工艺的电子照相方法中，在用感光体和光敏元件的表面形成的静电潜像已经用调色剂显影之后，光导和感光部件的表面和调色剂图像以相同的极性被充电 作为静电潜像，然后将调色剂图像静电转印到记录介质上以获得记录。

公开(公告)号：US4208985A

公开(公告)日：1980-06-24

申请号：US957096

申请日：1978-11-03

申请人： Masayasu Anzai ,  Isamu Terashima

发明人： Masayasu Anzai ,  Isamu Terashima

IPC分类号： G03G15/08 ,  B05C11/00

CPC分类号： G03G15/0853 ,  G03G15/0887

摘要： Apparatus for monitoring the concentration of toner in a mass of developer mix including the toner and carrier particles, having a sampling cylinder inside which the developer mix flows. An accumulating cylinder is disposed over the sampling cylinder. At the upper end part of the accumulating cylinder, a guide plate is disposed by which the developer mix is supplied to the accumulating cylinder. At the lower end part of the accumulating cylinder, a developer mix supplying roll is disposed by which the developer mix at a fixed flow rate is supplied to the upper end opening of the sampling cylinder. On the other hand, at the lower end opening of the sampling cylinder, there is disposed a magnet roll by which the developer mix at a fixed flow rate is discharged from inside the sampling cylinder. The flow rate of the developer mix to be supplied to the sampling cylinder is set to be greater than the flow rate of the developer mix to be discharged, so that part of the developer mix supplied towards the sampling cylinder overflows from the upper edge of the sampling cylinder. Therefore, the developer mix inside the sampling cylinder flows in a stable state. A detecting coil is disposed on the outer periphery of the sampling cylinder, and detects the toner concentration of the developer mix in the form of an inductance.

摘要翻译： 用于监测大量显影剂混合物中的调色剂浓度的装置，包括调色剂和载体颗粒，其具有显影剂混合物所在的取样筒。 在采样气缸上方设置有一个积存的气缸。 在积聚气缸的上端部设置有引导板，通过该引导板将显影剂混合物供给到积聚气缸。 在积聚筒的下端部设置有显影剂混合供给辊，通过该显影剂混合供给辊将显影剂以固定流量混合，供给到取样筒的上端开口。 另一方面，在取样筒的下端开口处设置有磁性辊，通过该磁辊，显影剂以固定流量混合，从采样气缸内部排出。 被提供给采样气瓶的显影剂混合物的流量被设定为大于待排出的显影剂混合物的流速，使得朝向采样气瓶供应的部分显影剂混合物从 取样圆筒。 因此，采样气瓶内的显影剂混合液体处于稳定状态。 检测线圈设置在采样气缸的外周，并以电感的形式检测显影剂混合物的调色剂浓度。

公开(公告)号：US6157798A

公开(公告)日：2000-12-05

申请号：US285651

申请日：1999-04-05

申请人： Tsuneaki Kawanishi ,  Tomonari Hokkyo ,  Katsuya Kawai ,  Koji Kato ,  Masayasu Anzai

发明人： Tsuneaki Kawanishi ,  Tomonari Hokkyo ,  Katsuya Kawai ,  Koji Kato ,  Masayasu Anzai

IPC分类号： G03G9/09 ,  G03G5/043 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147 ,  G03G9/08 ,  G03G9/097 ,  G03G9/10 ,  G03G13/09 ,  G03G15/00

CPC分类号： G03G5/047 ,  G03G13/09 ,  G03G5/0507 ,  G03G9/09708 ,  G03G9/10

摘要： An electrostatic recording apparatus including: an image carrier including an organic photoconductive photoreceptor having an abrasion-resisting outermost periphery; an exposing unit which exposes the image carrier to form an electrostatic latent image thereon; a developing unit which contains a toner and develops the electrostatic latent image with the toner to form a toner image; a transferring unit which transfers the toner image thus formed onto a recording medium; and a fixing unit which fixes the transferred toner image on said recording medium, wherein the toner contained in said developing unit includes an electrically conductive fine powder attached to the surface thereof.

摘要翻译： 一种静电记录装置，包括：包括具有耐磨损最外周边的有机光电导性感光体的图像载体; 暴露单元，其暴露所述图像载体以在其上形成静电潜像; 显影单元，其包含调色剂并用调色剂显影静电潜像以形成调色剂图像; 转印单元，其将如此形成的调色剂图像转印到记录介质上; 以及固定单元，其将转印的调色剂图像固定在所述记录介质上，其中包含在所述显影单元中的调色剂包括附着在其表面上的导电细粉末。

公开(公告)号：US5473422A

公开(公告)日：1995-12-05

申请号：US339159

申请日：1994-11-10

申请人： Masayasu Anzai

发明人： Masayasu Anzai

IPC分类号： G03G15/01 ,  G03G15/09 ,  G03G21/20

CPC分类号： G03G15/0121 ,  G03G15/0152 ,  G03G15/0163

摘要： A light conductive photosensitive member belt is charged uniformly by use of a charger and an electric charge latent image having three values is formed by means of a laser beam light L.sub.1. After then, after the passage of time t.sub.1, a yellow developing device is used to develop yellow and, after the passage of time t.sub.2, a magenta developing device is used to develop magenta. Next, the photosensitive member belt is recharged by a recharger and another latent image having three values is formed by means of a laser beam light L.sub.2. After then, after the passage of time t.sub.1, a cyan developing device is used to develop cyan and, after the passage of time t.sub.2, a black developing device is used to develop black. Then, these four color toner images are transferred to recording paper.

摘要翻译： 通过使用充电器均匀地对光导光敏部件带进行充电，并且通过激光束光L1形成具有三个值的电荷潜像。 之后，经过时间t1后，使用黄色的显影装置显色黄色，并且在时间t2过后，使用品红色显影装置显影品红色。 接下来，感光构件带由充电器再充电，并且通过激光束L2形成具有三个值的另一个潜像。 然后，经过时间t1后，使用青色显影装置培养青色，经过时间t2后，使用黑色显影装置显影黑色。 然后，将这四色调色剂图像转印到记录纸上。

公开(公告)号：US5237377A

公开(公告)日：1993-08-17

申请号：US825580

申请日：1992-01-24

申请人： Toshimitsu Harada ,  Sadaki Maeda ,  Shinichi Nishino ,  Toshitaka Ogawa ,  Masayasu Anzai

发明人： Toshimitsu Harada ,  Sadaki Maeda ,  Shinichi Nishino ,  Toshitaka Ogawa ,  Masayasu Anzai

IPC分类号： G03G21/10 ,  G03G21/00

CPC分类号： G03G21/0035

摘要： A cleaning device for a dry electrophotographic device includes a cleaning brush brought into resilient contact with an object to be cleaned such as a photosensitive drum. A cleaning roll rotates while constantly being brought into contact with the cleaning brush and a cleaning blade is pressed against the cleaning roll to clean the cleaning roll. A rotation direction switching mechanism switches the rotation direction of the cleaning brush such that the rotation direction of the cleaning brush when cleaning the object, for example, during the formation of an image, is different from that when the brush is not cleaning the object.

摘要翻译： 用于干电子照相装置的清洁装置包括与诸如感光鼓的待清洁物体弹性接触的清洁刷。 清洁辊旋转，同时不断地与清洁刷接触，并且清洁刮板被压靠在清洁辊上以清洁清洁辊。 旋转方向切换机构切换清洁刷的旋转方向，使得例如在形成图像时清洁物体时清洁刷的旋转方向与刷子未清洁物体时的旋转方向不同。