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公开(公告)号：US5978626A
公开(公告)日：1999-11-02
申请号：US50112
申请日：1998-03-30
CPC分类号： G03G21/1628 , G03G2215/0119 , G03G2215/0141 , G03G2221/1603 , G03G2221/1636 , G03G2221/169 , G03G2221/183
摘要： An image forming apparatus which includes a frame, a top cover pivotally mounted to the frame, a lock member for locking the top cover onto the frame, a plurality of printing assemblies, a fixing device, and a paper conveyer belt. Each of the printing assemblies includes a photosensitive body, a charger, an optical head for forming an electrostatic latent image on the photosensitive body, a developing device, and a transfer element. The optical heads are mounted to the top cover. A cover lifting mechanism is provided for lifting the top cover by a predetermined amount relative to the frame when the lock member is released. The lifting mechanism includes a spring loaded rod which is linked to a cover releasing button.
摘要翻译： 一种图像形成装置，包括框架，可枢转地安装到框架的顶盖，用于将顶盖锁定在框架上的锁定构件，多个打印组件，固定装置和纸张传送带。 每个印刷组件包括感光体，充电器，用于在感光体上形成静电潜像的光学头，显影装置和转印元件。 光头安装在顶盖上。 提供一种提升机构，用于当锁定构件被释放时相对于框架提升预定量的顶盖。 提升机构包括连接到盖释放按钮的弹簧加载杆。
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公开(公告)号：US6118463A
公开(公告)日：2000-09-12
申请号：US042806
申请日：1998-03-17
申请人： Youji Houki , Kouichi Kobayashi , Hiroji Uchimura , Morihisa Kawahara , Tsutomu Nagatomi , Hirofumi Nakayasu , Hiroyuki Kaneda , Takeo Kojima , Kazuhiro Tamada , Akihisa Sota , Masao Konisi , Takao Sugano , Yoshihiko Taira
发明人： Youji Houki , Kouichi Kobayashi , Hiroji Uchimura , Morihisa Kawahara , Tsutomu Nagatomi , Hirofumi Nakayasu , Hiroyuki Kaneda , Takeo Kojima , Kazuhiro Tamada , Akihisa Sota , Masao Konisi , Takao Sugano , Yoshihiko Taira
IPC分类号： B41J11/42 , B41J2/44 , B41J2/45 , B41J2/455 , B41J2/525 , B41J29/38 , G03G15/01 , G03G21/14 , H04N1/29 , H04N1/50 , G03G15/00
CPC分类号： H04N1/506
摘要： An image forming apparatus includes a transport mechanism transporting a recording medium on a belt which is transported at a constant speed in a transport direction, a plurality of electrostatic recording units arranged in the transport direction of the recording medium and transferring toner images of different colors, a positional error detecting part using the toner image of a reference color transferred by one of the electrostatic recording units as a reference image, and relatively detecting positional error information related to positional errors of the toner images of remaining colors transferred by the remaining electrostatic recording units with respect to the reference image, and a positional error correcting part relatively correcting the positional errors of the toner images transferred by the remaining electrostatic recording units based on the positional error information. The positional error detecting part includes a part for controlling the electrostatic recording units to transfer at least two resist marks on the belt at a scan starting end and a scan terminating end of the belt in a main scan direction which is perpendicular to the transport direction of the recording medium, with respect to each of the colors, and a second part, including a sensor detecting the resist marks, for detecting positional error quantities of the resist marks of each of the remaining colors with respect to the resist marks of the reference color based on detection times of the resist marks of reference color and the remaining colors.
摘要翻译： 图像形成装置包括：传送机构，其将输送方向上以恒定速度输送的传送带传送到记录介质;多个静电记录单元，沿着记录介质的输送方向排列，并且转印不同颜色的调色剂图像; 使用由静电记录单元之一转印的参考颜色的调色剂图像作为参考图像的位置误差检测部分，以及与由剩余静电记录单元传送的剩余颜色的调色剂图像的位置误差有关的相对检测的位置误差信息 以及基于位置误差信息相对校正由剩余静电记录单元传送的调色剂图像的位置误差的位置误差校正部分。 位置误差检测部分包括用于控制静电记录单元的部分，以在扫描起始端和带的扫描终止端沿主扫描方向传送至少两个抗蚀剂标记，该主扫描方向垂直于传送方向 所述记录介质相对于每种颜色，以及第二部分，包括检测抗蚀剂标记的传感器，用于检测每个剩余颜色的抗蚀剂标记相对于参考颜色的抗蚀剂标记的位置误差量 基于参考颜色的抗蚀剂标记的检测时间和剩余的颜色。
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公开(公告)号：US6038417A
公开(公告)日：2000-03-14
申请号：US391356
申请日：1999-09-08
CPC分类号： G03G21/1628 , G03G2215/0119 , G03G2215/0141 , G03G2221/1603 , G03G2221/1636 , G03G2221/169 , G03G2221/183
摘要： The image forming apparatus includes a frame, a top cover pivotally mounted to the frame, a lock member for locking the top cover onto the frame, a plurality of printing assemblies, a fixing device, and a paper conveyor belt. Each of the printing assemblies having a photosensitive body, a charger, an optical head for forming an electrostatic latent image on the photosensitive body, a developing device, and a transfer element. An optical sensor is used to read marks formed on the paper conveyor belt. The top cover opens an optical passage of the optical sensor when the apparatus is in operation and shuts off the optical passage when the apparatus is not in operation.
摘要翻译： 图像形成装置包括框架，可枢转地安装到框架的顶盖，用于将顶盖锁定在框架上的锁定构件，多个打印组件，定影装置和纸张传送带。 每个印刷组件具有感光体，充电器，用于在感光体上形成静电潜像的光学头，显影装置和转印元件。 光学传感器用于读取形成在纸张传送带上的标记。 当设备运行时，顶盖打开光学传感器的光通道，并且当设备不工作时切断光路。
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公开(公告)号：US06321060B1
公开(公告)日：2001-11-20
申请号：US09583085
申请日：1999-04-16
申请人： Hirofumi Nakayasu , Youji Houki , Tsutomu Nagatomi
发明人： Hirofumi Nakayasu , Youji Houki , Tsutomu Nagatomi
IPC分类号： G03G1501
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0141 , G03G2215/0161
摘要： A plurality of resist marks of K, C, M and Y color toner components are transferred at predetermined pitches onto a belt for conveying record paper, by means of a plurality of electrostatic recording units. The resist marks are optically detected by sensors. A positional offset detection unit detects positions of resist lines from phases &phgr; obtained through Fourier transform of sensor detection signals, and employs as the reference the detected position of the resist mark of K component to thereby detect positional offsets of the detected positions of the resist marks of the other C, M and Y color toner components. A positional offset correction unit corrects the transferred positions of the other C, M and Y color toner components so as to eliminate any positional offsets relative to the K component image.
摘要翻译： K，C，M和Y彩色调色剂组分的多个抗蚀剂标记通过多个静电记录单元以预定间距转印到用于输送记录纸的带上。 抗蚀剂标记由传感器光学检测。 位置偏移检测单元从通过传感器检测信号的傅里叶变换获得的相位phi检测抗蚀剂线的位置，并且使用K分量的抗蚀剂标记的检测位置作为参考，从而检测检测到的抗蚀剂标记位置的位置偏移 的其他C，M和Y彩色调色剂组分。 位置偏移校正单元校正其他C，M和Y彩色调色剂组分的转印位置，以消除相对于K分量图像的任何位置偏移。
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公开(公告)号：US6049690A
公开(公告)日：2000-04-11
申请号：US41003
申请日：1998-03-12
申请人： Hirofumi Nakayasu , Hiroji Uchimura , Morihisa Kawahara , Tsutomu Nagatomi , Kouichi Kobayashi , Youji Houki , Takeo Kojima
发明人： Hirofumi Nakayasu , Hiroji Uchimura , Morihisa Kawahara , Tsutomu Nagatomi , Kouichi Kobayashi , Youji Houki , Takeo Kojima
CPC分类号： G03G15/5008 , G03G15/0194 , H02P5/56 , G03G2215/0119 , G03G2215/0141
摘要： A drum phase correction unit for detecting rotational positions of a plurality of photosensitive drums by means of a plurality of drum position sensors and corrects to set rotational phases of the drums to predetermined phases in such a manner that transfer positions on drum circumferential surfaces relative to a belt when employing the thus detected rotational positions as their respective references have a specific relationship including coincidence. A positional offset detection unit detects positional offsets of transfer image on recording paper attributable to the wow and flutter in a drive system including the belt and the photosensitive drums. On the basis of the thus detected positional offsets, a wow and flutter correction unit corrects the positional offsets of the transfer images on the recording paper attributable to the wow and flutter.
摘要翻译： 滚筒相位校正单元，用于通过多个滚筒位置传感器检测多个感光鼓的旋转位置并进行校正，以将滚筒的旋转相位设定为预定的相位，使得滚筒圆周表面上的转印位置相对于 当使用如此检测的旋转位置作为它们各自的参考时，带具有包括重合的特定关系。 位置偏移检测单元检测在包括带和感光鼓的驱动系统中归因于哇音和颤振的记录纸上的转印图像的位置偏移。 基于这样检测到的位置偏移，哇音和颤振校正单元校正归因于哇音和颤振的记录纸上的转印图像的位置偏移。
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公开(公告)号：US5946537A
公开(公告)日：1999-08-31
申请号：US86956
申请日：1998-05-29
申请人： Hirofumi Nakayasu , Youji Houki , Tsutomu Nagatomi
发明人： Hirofumi Nakayasu , Youji Houki , Tsutomu Nagatomi
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0141 , G03G2215/0161
摘要： A plurality of resist marks of K, C, M and Y color toner components are transferred at predetermined pitches onto a belt for conveying record paper, by means of a plurality of electrostatic recording units. The resist marks are optically detected by sensors. A positional offset detection unit detects positions of resist lines from phases .phi. obtained through Fourier transform of sensor detection signals, and employs as the reference the detected position of the resist mark of K component to thereby detect positional offsets of the detected positions of the resist marks of the other C, M and Y color toner components. A positional offset correction unit corrects the transferred positions of the other C, M and Y color toner components so as to eliminate any positional offsets relative to the K component image.
摘要翻译： K，C，M和Y彩色调色剂组分的多个抗蚀剂标记通过多个静电记录单元以预定的间距转印到用于输送记录纸的带上。 抗蚀剂标记由传感器光学检测。 位置偏移检测单元从通过传感器检测信号的傅里叶变换获得的相位phi检测抗蚀剂线的位置，并且使用K分量的抗蚀剂标记的检测位置作为基准，从而检测检测到的抗蚀剂标记位置的位置偏移 的其他C，M和Y彩色调色剂组分。 位置偏移校正单元校正其他C，M和Y彩色调色剂组分的转印位置，以消除相对于K分量图像的任何位置偏移。
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公开(公告)号：US5946523A
公开(公告)日：1999-08-31
申请号：US41006
申请日：1998-03-12
申请人： Hidenori Fujioka , Kazuhiko Hamazoe , Masakazu Kinoshita , Tsutomu Kawai , Masahiro Wanou , Youji Houki , Kaneastu Uchiyama , Kouichi Kobayashi , Takeo Kojima , Morihisa Kawahara , Shinichirou Yamamoto , Masakazu Kanaka , Hirofumi Nakayasu , Tsutomu Nagatomi
发明人： Hidenori Fujioka , Kazuhiko Hamazoe , Masakazu Kinoshita , Tsutomu Kawai , Masahiro Wanou , Youji Houki , Kaneastu Uchiyama , Kouichi Kobayashi , Takeo Kojima , Morihisa Kawahara , Shinichirou Yamamoto , Masakazu Kanaka , Hirofumi Nakayasu , Tsutomu Nagatomi
CPC分类号： G03G15/0856 , G03G15/0126 , G03G15/0194 , G06K15/129 , H04N1/6033 , G03G15/5058 , G03G15/556 , G03G2215/00059 , G03G2215/00063
摘要： A toner developing quantity detection unit operates a plurality of electrostatic recording units to transfer Y, M, C and K color component toner marks onto a belt. A toner developing quantity correction unit detects toner developing quantities per unit area of color toners on the basis of detection signals of the color component toner marks on the belt optically detected by a sensor. The toner developing quantity correction unit corrects the toner developing quantities so as to allow the toner consuming quantities of the plurality of electrostatic recording units to be substantially the same level, on the basis of the thus detected toner developing quantities.
摘要翻译： 调色剂显影量检测单元操作多个静电记录单元以将Y，M，C和K颜色分量调色剂标记转印到带上。 调色剂显影量校正单元基于由传感器光学检测的带上的颜色分量调色剂标记的检测信号，检测每单位面积颜色调色剂的调色剂显影量。 调色剂显影量校正单元基于由此检测到的调色剂显影量来校正调色剂显影量，从而允许多个静电记录单元的调色剂消耗量基本上相同。
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公开(公告)号：US06379482B1
公开(公告)日：2002-04-30
申请号：US09580876
申请日：2000-05-30
IPC分类号： B32B3100
CPC分类号： B41J2/45
摘要： It is an exemplified object of the present invention to provide a manufacturing device and method that can manufacture a high-performance exposure device in a short time. To achieve this object, the manufacturing method of the exposure device is configured to have its part detachable from its main body. This may allow, for instance, a holding member that holds the exposure device after a bonding step of the exposure device is finished while an adhesive is being cured, to be detached from the manufacturing device and to attach another holding member to the manufacturing device to continue the manufacturing process up to a bonding step, thereby reducing or eliminating a downtime of the device.
摘要翻译： 本发明的示例性目的是提供一种能够在短时间内制造高性能曝光装置的制造装置和方法。 为了实现该目的，曝光装置的制造方法被配置成使其部分可以从其主体拆卸。 这可以允许例如在粘合剂固化之后完成曝光装置的粘合步骤之后保持曝光装置的保持构件，从制造装置分离并将另一保持构件附接到制造装置 继续制造过程直到粘合步骤，从而减少或消除设备的停机时间。
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公开(公告)号：US06219508B1
公开(公告)日：2001-04-17
申请号：US09495926
申请日：2000-02-02
申请人： Tsutomu Nagatomi , Hirofumi Nakayasu , Youji Houki
发明人： Tsutomu Nagatomi , Hirofumi Nakayasu , Youji Houki
IPC分类号： G03G1500
CPC分类号： G03G21/1628 , G03G2215/0119 , G03G2215/0141 , G03G2221/1603 , G03G2221/1636 , G03G2221/169 , G03G2221/183
摘要： An image forming apparatus includes a frame, a closing cover mounted to said frame so as to be opened and closed, a plurality of printing assemblies each comprising a developing device for developing an image, a fixing device, and a paper conveyer belt for conveying paper through said plurality of printing assemblies. The apparatus further includes an optical sensor having a light-emitting element and a light receiving element to read marks readably formed on the paper conveyer belt. A movable cover is provided which is operatively connected to the closing cover to open an optical passage of the optical sensor when the apparatus is in operation and shut off the optical passage of the optical sensor when the apparatus is not in operation.
摘要翻译： 图像形成装置包括框架，安装到所述框架以便打开和关闭的封闭盖，多个印刷组件，每个印刷组件包括用于显影图像的显影装置，定影装置和用于输送纸张的纸张传送带 通过所述多个印刷组件。 该装置还包括具有发光元件和光接收元件的光学传感器，用于读取可读取地形成在纸张传送带上的标记。 提供可移动盖，当该装置运行时，可操作地连接到封闭盖以打开光学传感器的光通道，并且当该装置不工作时切断光学传感器的光通路。
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公开(公告)号：US5907344A
公开(公告)日：1999-05-25
申请号：US76705
申请日：1998-05-13
IPC分类号： G03G15/00 , G03G15/04 , G03G15/043 , H04N1/407 , G03G15/01
CPC分类号： H04N1/4078 , G03G15/5058 , G03G2215/00046 , G03G2215/00063
摘要： An image forming apparatus includes an exposure unit forming a latent image using a light from a light source, a developing unit forming a toner image by visualizing the latent image using a toner, a detector outputting a detection signal by optically detecting an amount of toner of the toner image, a memory storing an optimum value of the detection signal output from the detector with respect to a light emission time of the light source, with respect to a plurality of light emission times of the light source to thereby store a plurality optimum values, and a control unit controlling the light emission time of the light source by calculating a light emission time corresponding to a value of the detection signal output from the detector based on the plurality of light emission times stored in the memory.
摘要翻译： 图像形成装置包括使用来自光源的光形成潜像的曝光单元，通过使用调色剂使潜像可视化而形成调色剂图像的显影单元，通过光学检测调色剂的量的光学检测器输出检测信号的检测器 调色剂图像，相对于光源的多个发光时间存储从检测器输出的检测信号相对于光源的发光时间的最佳值的存储器，从而存储多个最佳值 以及控制单元，通过基于存储在存储器中的多个发光次数计算与从检测器输出的检测信号的值对应的发光时间来控制光源的发光时间。
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