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1. 发明授权

US07583281B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US07583281B2
公开(公告)日：2009-09-01
申请号：US11183749
申请日：2005-07-19
申请人： Yoshinobu Takeyama , Nobuyuki Yanagawa
发明人： Yoshinobu Takeyama , Nobuyuki Yanagawa
IPC分类号： G03G15/01 , B41J2/447
CPC分类号： H04N1/506
摘要： An image forming apparatus capable of decreasing the image unevenness of a superimposed image at the time of forming starting (head) lines of the images in respective colors with different beams in order to decrease a shift of a superimposed image. Let a position, where an image in a first color is formed with a beam A as a leading beam, be (a). Let a starting position of formation of an image in a second color be (b), and one dot (line) of shift arises in the superimposed image. In order to decrease the shift of the superimposed image, image formation is performed with selecting a beam B as a beam which writes a head of the image (c). When image formation is performed for color shift reduction with changing a leading beam for each color image, tonality correction is performed to each beam for subsequent images so as to decrease image unevenness due to the difference between shapes and exposure power of respective beams.
摘要翻译：一种图像形成装置，其能够在用不同的光束形成各种颜色的图像的开始（头）行时降低叠加图像的图像不均匀性，以减少叠加图像的偏移。设一个位置，其中第一种颜色的图像形成有作为前导光束的光束A，是（a）。让第二种颜色的图像形成的起始位置为（b），并且在叠加的图像中出现一个移动点（线）。为了减少叠加图像的偏移，通过选择光束B作为写入图像（c）的头部的光束来执行图像形成。当通过改变每个彩色图像的前导光束执行用于色移减少的图像形成时，对后续图像对每个光束执行音调校正，以便由于各个光束的形状和曝光功率之间的差异而减小图像不均匀。

2. 发明授权

US07149446B2 Belt apparatus used in image formation, and an image formation apparatus 有权
标题翻译：用于图像形成的皮带装置和图像形成装置
公开(公告)号：US07149446B2
公开(公告)日：2006-12-12
申请号：US11155588
申请日：2005-06-20
申请人： Masanori Saitoh , Nobuyuki Yanagawa
发明人： Masanori Saitoh , Nobuyuki Yanagawa
IPC分类号： G03G15/00 , G03G15/01 , G03G15/16
CPC分类号： G03G15/0131 , G03G15/0121 , G03G15/0184 , G03G15/161 , G03G15/1615 , G03G2215/0106 , G03G2215/0119 , G03G2215/0154 , G03G2215/0158
摘要： In a belt apparatus used for image formation structured such that processing unit used for image formation are placed around a belt extended between at least two rollers and at least one of the processing unit acts on a roller so as to impart a rotational load thereto, it is possible to avoid a reduction in the image quality of a transfer image on the belt caused by the roller that supports the belt receiving variations in the load due to the movement towards or away from the belt of a cleaning blade. A drive source is connected to the roller to which directly receiving the load variation making this roller the drive roller for the belt.
摘要翻译：在用于图像形成的带装置中，构造成使得用于图像形成的处理单元放置在延伸在至少两个辊之间的带周围，并且处理单元中的至少一个作用在辊上以赋予旋转负载，可以避免由于由于朝向或远离清洁刮板的带移动而承受由负载变化而导致的带的辊所引起的带上的转印图像的图像质量的降低。驱动源连接到直接接收负载变化的辊，使该辊成为带的驱动辊。

3. 发明申请

US20050285922A1 Method and apparatus for image forming capable of synthesizing a full color image without causing deviations of color layers 失效
标题翻译：用于图像形成的方法和装置，其能够合成全色图像而不引起色层的偏差
公开(公告)号：US20050285922A1
公开(公告)日：2005-12-29
申请号：US11168452
申请日：2005-06-29
申请人： Shingo Suzuki , Nobuyuki Yanagawa
发明人： Shingo Suzuki , Nobuyuki Yanagawa
IPC分类号： B41J2/385 , G03G15/01 , H04N1/40
CPC分类号： H04N1/4005 , G03G15/0173 , G03G15/0184 , G03G2215/0106 , G03G2215/0161
摘要： An image forming apparatus includes an intermediate transfer member, a sensor, and two image forming units. Each of the image forming units includes an image carrier, an image writer, two development rollers, and a switcher. The image writer writes an electrostatic latent image on the image carrier. Each of the development rollers selectively driven by the switcher visualizes the electrostatic latent image to form toner images in four colors. The toner images are transferred and superimposed onto the intermediate transfer member to form a color toner image. The color toner image is transferred onto a transfer sheet. One or more marks are formed on the intermediate transfer member. The sensor detects one of the marks. The image writer starts writing in synchronism with a sync clock signal of the image writer output immediately after the sensor detects the mark or output after a predetermined time period elapses after the sensor detects the mark.
摘要翻译：图像形成装置包括中间转印部件，传感器和两个图像形成单元。每个图像形成单元包括图像载体，图像写入器，两个显影辊和切换器。图像写入器将静电潜像写入图像载体上。由切换器选择性地驱动的每个显影辊可以使静电潜像可视化，以形成四种颜色的调色剂图像。调色剂图像被转印并叠加到中间转印部件上以形成彩色调色剂图像。彩色调色剂图像被转印到转印纸上。在中间转印部件上形成一个或多个标记。传感器检测到其中一个标记。在传感器检测到标记之后经过预定时间段之后，图像写入器开始与传感器检测到标记或输出之后的图像写入器输出的同步时钟信号同步进行写入。

4. 发明授权

US06920291B2 Belt apparatus used in image formation, and an image formation apparatus 有权
标题翻译：用于图像形成的皮带装置和图像形成装置
公开(公告)号：US06920291B2
公开(公告)日：2005-07-19
申请号：US10834209
申请日：2004-04-29
申请人： Masanori Saitoh , Nobuyuki Yanagawa
发明人： Masanori Saitoh , Nobuyuki Yanagawa
IPC分类号： G03G15/00 , G03G15/01 , G03G15/08 , G03G15/16
CPC分类号： G03G15/0131 , G03G15/0121 , G03G15/0184 , G03G15/161 , G03G15/1615 , G03G2215/0106 , G03G2215/0119 , G03G2215/0154 , G03G2215/0158
摘要： In a belt apparatus used for image formation structured such that processing unit used for image formation are placed around a belt extended between at least two rollers and at least one of the processing unit acts on a roller so as to impart a rotational load thereto, it is possible to avoid a reduction in the image quality of a transfer image on the belt caused by the roller that supports the belt receiving variations in the load due to the movement towards or away from the belt of a cleaning blade. A drive source is connected to the roller to which directly receiving the load variation making this roller the drive roller for the belt.
摘要翻译：在用于图像形成的带装置中，构造成使得用于图像形成的处理单元放置在延伸在至少两个辊之间的带周围，并且处理单元中的至少一个作用在辊上以赋予旋转负载，可以避免由于由于朝向或远离清洁刮板的带移动而承受由负载变化而导致的带的辊所引起的带上的转印图像的图像质量的降低。驱动源连接到直接接收负载变化的辊，使该辊成为带的驱动辊。

5. 发明授权

US06891554B2 Method and device for writing control and image forming device 失效
标题翻译：写入控制和图像形成装置的方法和装置
公开(公告)号：US06891554B2
公开(公告)日：2005-05-10
申请号：US10379533
申请日：2003-03-06
申请人： Yoshinobu Takeyama , Nobuyuki Yanagawa , Nekka Matsuura
发明人： Yoshinobu Takeyama , Nobuyuki Yanagawa , Nekka Matsuura
IPC分类号： G03G15/01
CPC分类号： G03G15/0194 , G03G15/0121 , G03G15/0168 , G03G15/0184 , G03G2215/0106 , G03G2215/0119 , G03G2215/0161
摘要： An image forming device is provides, which comprises a body to be scanned that moves in a sub-scanning direction; a writing means for scanning the body in a main scanning direction with a light beam according to image information to form a reference image on the body and repeating the scanning plural times to form plural images; and a second body on which the plural images are overlaid to form a color image. The writing means starts writing the reference image at a start time ty1 when a main scanning synchronizing signal is firstly generated by the writing means after a time tx1 when a predetermined time has lapsed from detection of an image forming start signal of the sub-scanning direction for the reference image. A start time for an image other than the reference image is changed depending on the start time of the reference image.
摘要翻译：提供一种图像形成装置，其包括沿副扫描方向移动的被扫描体; 一种写入装置，用于根据图像信息用光束在主扫描方向上扫描主体，以在身体上形成参考图像并重复扫描多次以形成多个图像; 以及重叠多个图像以形成彩色图像的第二主体。写入装置在开始时刻ty 1开始写入参考图像，当在检测到子图像的图像形成开始信号之后经过预定时间之后，在时间tx 1之后首先由写入装置产生主扫描同步信号时，扫描方向为参考图像。除了参考图像之外的图像的开始时间根据参考图像的开始时间而改变。

6. 发明授权

US06842598B2 Image forming apparatus having a plurality of developing means around an image carrier 有权
标题翻译：图像形成装置具有围绕图像载体的多个显影装置
公开(公告)号：US06842598B2
公开(公告)日：2005-01-11
申请号：US10609398
申请日：2003-07-01
申请人： Hideaki Kibune , Nobuyuki Yanagawa
发明人： Hideaki Kibune , Nobuyuki Yanagawa
IPC分类号： G03G15/01
CPC分类号： G03G15/0184 , G03G15/0121 , G03G2215/0106
摘要： An image forming apparatus of the present invention includes two developing units each including two developing rollers facing a particular photoconductive drum and rotatable about respective axis parallel to the axis of the drum. Each developing unit is supported by a respective image forming unit and angularly movable about an axis substantially parallel to the axis of the drum. When each developing unit is angularly moved by a preselected angle, a gap for development is established between one of the developing rollers and the associated drum.
摘要翻译：本发明的图像形成装置包括两个显影单元，每个显影单元包括面向特定感光鼓的两个显影辊，并且能够围绕平行于滚筒的轴线的相应轴线旋转。每个显影单元由相应的图像形成单元支撑并且可围绕基本上平行于滚筒的轴线的轴线成角度地移动。当每个显影单元被角度地移动预选角度时，在显影辊和相关联的滚筒之间建立用于显影的间隙。

7. 发明授权

US06839531B2 Belt apparatus used in image formation, and an image formation apparatus 有权
公开(公告)号：US06839531B2
公开(公告)日：2005-01-04
申请号：US09814862
申请日：2001-03-23
申请人： Masanori Saitoh , Nobuyuki Yanagawa
发明人： Masanori Saitoh , Nobuyuki Yanagawa
IPC分类号： G03G15/00 , G03G15/01 , G03G15/08 , G03G15/16
CPC分类号： G03G15/0131 , G03G15/0121 , G03G15/0184 , G03G15/161 , G03G15/1615 , G03G2215/0106 , G03G2215/0119 , G03G2215/0154 , G03G2215/0158
摘要： In a belt apparatus used for image formation structured such that processing unit used for image formation are placed around a belt extended between at least two rollers and at least one of the processing unit acts on a roller so as to impart a rotational load thereto, it is possible to avoid a reduction in the image quality of a transfer image on the belt caused by the roller that supports the belt receiving variations in the load due to the movement towards or away from the belt of a cleaning blade. A drive source is connected to the roller to which directly receiving the load variation making this roller the drive roller for the belt.

8. 发明授权

US06718151B2 Image formation apparatus and method of alternating developing units 有权
标题翻译：图像形成装置和交替显影单元的方法
公开(公告)号：US06718151B2
公开(公告)日：2004-04-06
申请号：US10155088
申请日：2002-05-28
申请人： Hideaki Kibune , Nobuyuki Yanagawa
发明人： Hideaki Kibune , Nobuyuki Yanagawa
IPC分类号： G03G1501
CPC分类号： G03G15/0126 , G03G2215/0106
摘要： An image formation apparatus has photo conductor drums, and upstream developing rollers and downstream developing rollers that are brought into contact with respective photo conductor drums based on a changeover. The developing rollers develop latent images into visual images. A time required to change over a developing unit from one developing unit to the other developing unit is set as follows. A changeover time T2 from the downstream developing rollers to the upstream developing rollers respectively is set shorter than a changeover time T1 from the upstream developing rollers to the downstream developing rollers.
摘要翻译：图像形成装置具有光导体鼓，以及基于切换与各个感光鼓接触的上游显影辊和下游显影辊。显影辊将潜像显影成视觉图像。将显影单元从一个显影单元切换到另一个显影单元所需的时间设置如下。分别从下游显影辊到上游显影辊的切换时间T2比从上游显影辊到下游显影辊的切换时间T1短。

9. 发明授权

US06402317B2 Ink-jet recording of images with improved clarity of images 失效
标题翻译：喷墨记录图像的图像清晰度更高
公开(公告)号：US06402317B2
公开(公告)日：2002-06-11
申请号：US09891658
申请日：2001-06-27
申请人： Nobuyuki Yanagawa , Yasuo Katano , Aino Noguchi
发明人： Nobuyuki Yanagawa , Yasuo Katano , Aino Noguchi
IPC分类号： B41J201
CPC分类号： B41M5/52 , B41J13/00 , B41M5/5236 , B41M5/5254 , B41M7/0027
摘要： An ink-jet image recording apparatus including a sheet feed mechanism feeding a recording sheet along a sheet feed path; an ink-jet recording head provided in the sheet feet path so as to record an image on the recording sheet transported through the sheet feed path, by projecting ink droplets to the recording sheet; and an ink viscosity adjusting mechanism provided in the sheet feet path and providing a substance layer on the recording sheet at an upstream side of the recording head, such that the recording head records the image through the substance layer. The ink viscosity adjusting mechanism further removes the substance layer from the recording sheet at a downstream side of the recording head after the image is recorded.
摘要翻译：一种喷墨图像记录装置，包括沿片材馈送路径馈送记录片材的片材进给机构; 喷墨记录头，设置在纸页脚路径中，以通过将墨滴突出到记录纸上，将图像记录在通过供纸路径输送的记录纸上; 以及油墨粘度调节机构，其设置在纸页脚路径中，并且在记录头的上游侧在记录纸上提供物质层，使得记录头通过物质层记录图像。在记录图像之后，墨水粘度调节机构在记录头的下游侧进一步从记录纸上去除物质层。

10. 发明授权

US06396528B1 Image forming system, intermediate transfer medium and method with temporary attachment features 失效
标题翻译：图像形成系统，中间转印介质和具有临时附着特征的方法
公开(公告)号：US06396528B1
公开(公告)日：2002-05-28
申请号：US09120342
申请日：1998-07-22
申请人： Nobuyuki Yanagawa
发明人： Nobuyuki Yanagawa
IPC分类号： B41J2325
CPC分类号： G03G15/344 , G03G2217/0091
摘要： An image forming system and method form temporarily attached color particles corresponding to an image on an intermediate image transfer device. The color particles are temporarily attached to the intermediate image transfer device by supplying energy, such as optical or thermal energy, corresponding to image signals, where the source of energy is located on the reverse side of the intermediate image transfer device from the side on which the particles are temporarily attached. Finally, an adhesion device transfers the color particles corresponding to the image from the intermediate image transfer device to a printing sheet and fuses the image into the printing sheet.
摘要翻译：图像形成系统和方法在中间图像转印装置上形成临时附着与图像对应的彩色颗粒。彩色颗粒通过提供与图像信号相对应的能量（例如光学或热能）临时附接到中间图像转印装置，其中能量源位于中间图像转印装置的背面，颗粒暂时附着。最后，粘合装置将来自中间图像转印装置的与图像相对应的着色颗粒传送到打印纸，并将图像熔合到打印纸中。

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