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1. 发明专利

JP2011027932A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011027932A
公开(公告)日：2011-02-10
申请号：JP2009172470
申请日：2009-07-23
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAGAKI JUN , SHIROGATA JIRO , MAEDA YORITSUGU , ARATA SATOSHI , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAZATO ATSUSHI
IPC分类号： G03G15/16 , G03G15/00 , G03G15/01 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for effectively reducing color shift without enlarging the apparatus. SOLUTION: The image forming apparatus includes: detecting an angular speed of a primary transfer roller 5a or 5d with a speed detection means; thereby regulating a rotation speed of an intermediate transfer belt 6 on the basis of the rotation speed of the intermediate transfer belt 6 of a primary transfer part Ta or Td of each station; and reducing the influence of external force due to a difference or the like between circumferential speeds of a photoreceptor drum 1a or 1d to reduce color shift with the primary transfer part Ta or Td as the result. In addition, the speed detection means is provided in the primary transfer roller 5a or 5d, thereby preventing the apparatus from being enlarged. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于有效地减少颜色偏移而不扩大设备的图像形成装置。解决方案：图像形成装置包括：用速度检测装置检测一次转印辊5a或5d的角速度; 从而基于各站的一次转印部Ta或Td的中间转印带6的转速来调节中间转印带6的转速; 并且减少由于感光鼓1a或1d的圆周速度之间的差异等引起的外力的影响，从而减少与一次转印部Ta或Td的颜色偏移。此外，速度检测装置设置在一次转印辊5a或5d中，从而防止装置扩大。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2006126321A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2006126321A
公开(公告)日：2006-05-18
申请号：JP2004311997
申请日：2004-10-27
申请人： Canon Inc , キヤノン株式会社
发明人： INOUE KOZO , FUJIWARA YUKIHIRO
IPC分类号： G03G15/01 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can achieve the prolongation of the lives of a photoreceptor drum and belt by separating the photoreceptor drum not participating in image formation from a belt in a black and white mode, and can suppress a color drift and color unevenness in a color mode, and does not entail the degradation in productivity.
SOLUTION: A four-drum full-color machine provided with the black and white mode and a color mode is configured to separate a transfer member (intermediate transfer belt etc.) from the color (yellow, magenta, and cyan) drums in the black and white mode for the purpose of reducing a lining cost and to cause the transfer member to abut on the color drums at the time of the color mode, in which the speed of the transfer member is made higher than a process speed when the black and white mode changes to the color mode.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种图像形成装置，其可以通过以黑白模式从皮带分离不参与图像形成的感光鼓而实现感光鼓和皮带的寿命的延长，并且可以抑制着色模式下的颜色漂移和颜色不均匀，不会降低生产率。解决方案：配备黑白模式和彩色模式的四鼓全色机被配置为将转印部件（中间转印带等）与颜色（黄色，品红色和青色）鼓分离在黑白模式中，为了降低衬里成本，并且在色彩模式时使转印构件抵接在彩色鼓上，其中转印构件的速度高于处理速度黑白模式更改为颜色模式。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2010008591A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010008591A
公开(公告)日：2010-01-14
申请号：JP2008166202
申请日：2008-06-25
申请人： Canon Inc , キヤノン株式会社
发明人： ARATA SATOSHI , SHIROGATA JIRO , MAEDA YORITSUGU , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAGAKI JUN , NAKAZATO ATSUSHI
IPC分类号： G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which has a drive system wherein a velocity detector is directly disposed in a driven body, such as a photoreceptor drum, and then, a constant velocity rotation control is highly accurately performed, the drive system having enhanced control stability upon switching a feedback control. SOLUTION: The image forming apparatus includes a driven-body velocity encoder 34 for detecting the first angular velocity signal 401 of the driven body that is driven by a motor 36 through a gear train 35. The apparatus also includes a motor velocity encoder 38 for detecting the second angular velocity signal 403 of the motor 36. The apparatus also includes a frequency conversion part 405 that converts the frequency of the second angular velocity signal 403 to frequency equivalent to that of the first angular velocity signal 401. The apparatus also includes a selector 407 for selectively switching between a driven-body control by means of the driven-body velocity encoder 34 and a driven-body control by means of the motor velocity encoder 38 through the frequency conversion part 405. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有驱动系统的图像形成装置，其中速度检测器直接设置在诸如感光鼓的从动体中，然后高精度地进行恒速旋转控制，驱动系统在切换反馈控制时具有增强的控制稳定性。解决方案：图像形成装置包括从动体速度编码器34，用于检测由马达36通过齿轮系35驱动的从动体的第一角速度信号401.该装置还包括马达速度编码器 38，用于检测电动机36的第二角速度信号403。该装置还包括频率转换部分405，其将第二角速度信号403的频率转换成与第一角速度信号401相同的频率。该装置还包括选择器407，用于通过从动体速度编码器34选择性地切换从动体控制和利用电动机速度编码器38通过变频部405进行的被驱动体控制。 C）2010，JPO＆INPIT

4. 发明专利

JP2005249932A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005249932A
公开(公告)日：2005-09-15
申请号：JP2004057563
申请日：2004-03-02
申请人： Canon Inc , キヤノン株式会社
发明人： NAGASE TETSUYA , YOKOTA MASAHIKO , NAKAHATA HIROSHI , KUDO TOSHIHIKO , FUJIWARA YUKIHIRO
IPC分类号： G03G21/14 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming device capable of preventing image defects such as banding from occurring by reducing shocks at the time of rotating a rotary developing unit. SOLUTION: The image forming device included developing means for developing an electrostatic latent image formed on a photoreceptor, and a rotary developing means of a rotary body system provided with a plurality of developing means, wherein a developing means has a means for rocking the developing means centering a fulcrum, and a means for retreating by turning at the time of rotating the rotary body is included. The center of gravity of the developing means approaches to the turning center of the rotary body by the turning retreat of the developing means. And, the turning of the developing means is partly or wholly performed during rotation of the rotary body. Also, the turning of each developing means is performed in different start and halt timing. Further, each developing means is turned so that the rotation of the rotary body is almost equally balanced during rotation. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种图像形成装置，其能够通过减少旋转显影单元旋转时的冲击而防止诸如带状的图像缺陷的发生。解决方案：图像形成装置包括用于显影形成在感光体上的静电潜像的显影装置和设置有多个显影装置的旋转体系统的旋转显影装置，其中显影装置具有摇摆装置包括以支点为中心的显影装置，以及在转动旋转体时通过转动而退回的装置。显影装置的重心通过显影装置的转动后退接近旋转体的转动中心。并且，在旋转体的旋转期间，显影装置的转动部分地或完全地进行。此外，每个显影装置的转动在不同的启动和停止时机中进行。此外，每个显影装置被转动，使得旋转体的旋转几乎在旋转期间平衡。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2010148160A Load torque ripple device for oscillatory wave motors, and image forming apparatus 审中-公开
标题翻译：用于振荡波电机的负载扭矩设备和图像形成装置
公开(公告)号：JP2010148160A
公开(公告)日：2010-07-01
申请号：JP2008319097
申请日：2008-12-16
申请人： Canon Inc , キヤノン株式会社
发明人： SHIROGATA JIRO , MAEDA YORITSUGU , ARATA SATOSHI , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAGAKI JUN , NAKAZATO ATSUSHI
IPC分类号： H02N2/00 , H01L41/09
摘要： PROBLEM TO BE SOLVED: To achieve the longer life of an oscillatory wave motor by preventing the same contact state from lasting in a rotor and a stator by adding structural features to a rotating member provided in the rotor so as to suppress biased abrasion. SOLUTION: This load torque ripple device 500 for oscillatory wave motors is constituted of: an eccentric cam 1302, which is provided on a shaft 405 rotating with an oscillatory wave motor M and changes the magnitude of load torque working on the shaft 405 with the rotational phase of the shaft 405; an arm 1303; an energizing spring 1402; and a one-way clutch 1301, which changes the cycle of the load torque working on the shaft 405 to the rotational cycle of the shaft 405. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过为设置在转子中的旋转部件添加结构特征来防止转子和定子中的相同接触状态持续的振荡波马达的寿命更长，以便抑制偏置磨损。解决方案：用于振荡波电动机的负载转矩波动装置500由以下部件构成：偏心凸轮1302，设置在与摆动波马达M一起旋转的轴405上，并改变工作在轴405上的负载转矩的大小轴405的旋转相位; 臂1303; 激励弹簧1402; 以及单向离合器1301，其将在轴405上工作的负载转矩的周期改变为轴405的旋转周期。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009259224A Rotor drive unit 审中-公开
标题翻译：转子驱动单元
公开(公告)号：JP2009259224A
公开(公告)日：2009-11-05
申请号：JP2009049458
申请日：2009-03-03
申请人： Canon Inc , キヤノン株式会社
发明人： MAEDA YORITSUGU , SHIROGATA JIRO , NAKAGAKI JUN , ARATA SATOSHI , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAZATO ATSUSHI
IPC分类号： G05D3/00 , G03G15/00 , G03G21/00 , G03G21/14 , G05D3/12
CPC分类号： G03G15/5008 , G03G15/0194 , G03G2215/0129 , G03G2215/0158
摘要： PROBLEM TO BE SOLVED: To enhance responsiveness of angular velocity control in a photosensitive drum, while securing a torque required for driving the photosensitive drum, without complicating the angular velocity control in a plurality of driving parts for applying the torque to the photosensitive drum. SOLUTION: A rotor drive unit is provided with a main driving part 100 for applying the driving torque to the photosensitive drum 11 via a drive transmission part, a torque limiter 102 for limiting the driving torque transmitted from the main drive part 100 to the photosensitive drum 11, a correction drive part 103 for applying a torque for correcting an angular velocity of the photosensitive drum 11, an encoder 104 for detecting the angular velocity of the photosensitive drum 11, and a correction drive control part 105 for controlling the torque applied by the correction drive part 103, based on a detection result from the encoder 104. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了增强感光鼓中角速度控制的响应性，同时确保驱动感光鼓所需的转矩，而不会使多个驱动部件中的角速度控制复杂化，以将转矩施加到感光体鼓。解决方案：转子驱动单元设置有主驱动部分100，主驱动部分100用于经由驱动传动部分将驱动扭矩施加到感光鼓11;扭矩限制器102，用于限制从主驱动部分100传递的驱动扭矩到感光鼓11，用于施加用于校正感光鼓11的角速度的转矩的校正驱动部103，用于检测感光鼓11的角速度的编码器104和用于控制感光鼓11的转矩的校正驱动控制部105 基于来自编码器104的检测结果，由校正驱动部103进行加法。（C）2010，JPO＆INPIT

7. 发明专利

JP2005221942A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005221942A
公开(公告)日：2005-08-18
申请号：JP2004031960
申请日：2004-02-09
申请人： Canon Inc , キヤノン株式会社
发明人： KUDO TOSHIHIKO , YOKOTA MASAHIKO , NAGASE TETSUYA , NAKAHATA HIROSHI , FUJIWARA YUKIHIRO
IPC分类号： G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of easily and inexpensively reducing banding without using a special mechanism nor requiring advanced control and high accuracy. SOLUTION: The image forming apparatus having a rotating body related to image formation is provided with a plurality of driving input means arranged at nearly equal intervals on a circumference with center at the rotary shaft of the rotating body, and a control means for driving the rotating body by rotating a plurality of driving means in the same direction and also driving the plurality of driving means synchronously. The plurality of driving input means are the driving member for turning the rotating body, and are constituted of a motor or a driving transmitting member such as a gear and a roller or the like coupled with the motor, and are respectively independent units constituted of nearly the same parts, and are controlled by electrically synchronizing the rotation by the control means. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够容易且廉价地减少条带而不使用特殊机构而不需要高级控制和高精度的图像形成装置。解决方案：具有与图像形成相关的旋转体的图像形成装置设置有多个在旋转体的旋转轴的中心周围以等间隔设置的驱动输入装置，以及用于通过沿相同方向旋转多个驱动装置来驱动旋转体，并且同时驱动多个驱动装置。多个驱动输入装置是用于转动旋转体的驱动构件，并且由马达或诸如与马达耦合的齿轮和滚子等的驱动传递构件构成，并且分别是由几乎相同的部件，并且通过控制装置电动同步旋转来控制。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2010145829A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010145829A
公开(公告)日：2010-07-01
申请号：JP2008324165
申请日：2008-12-19
申请人： Canon Inc , キヤノン株式会社
发明人： SHIROGATA JIRO , MAEDA YORITSUGU , ARATA SATOSHI , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAGAKI JUN , NAKAZATO ATSUSHI
IPC分类号： G03G15/00 , G03G15/04 , G03G15/16 , G03G21/00
CPC分类号： G03G15/0131 , G03G15/5008 , G03G2215/0129
摘要： PROBLEM TO BE SOLVED: To prevent image defects such as transfer dropout, while driving an intermediate transfer belt that requires a large torque using a DC motor with low cost or small footprint. SOLUTION: An apparatus includes: a photosensitive drum 11; the intermediate transfer belt 31, which abuts against the photosensitive drum 11, for transferring an image on the photosensitive drum 11 to a sheet; a vibration wave motor 101 for rotatingly driving the photosensitive drum 11 without a deceleration gear; a DC motor 108 for rotatingly driving the intermediate transfer belt 31 through the deceleration gear 107; and an object value generator 112 for generating a control object value of the vibration wave motor depending on variation of a peripheral-speed of a transfer member. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止图像缺陷，例如转印脱落，在使用低成本或小占地面积的直流电动机驱动需要大转矩的中间转印带的同时，解决方案：一种设备包括：感光鼓11; 中间转印带31，其抵靠感光鼓11，用于将感光鼓11上的图像转印到纸张上; 用于不用减速齿轮旋转驱动感光鼓11的振动波马达101; 用于通过减速齿轮107旋转地驱动中间转印带31的直流电动机108; 以及目标值发生器112，用于根据传送部件的圆周速度的变化产生振动波马达的控制对象值。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009128784A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009128784A
公开(公告)日：2009-06-11
申请号：JP2007305995
申请日：2007-11-27
申请人： Canon Inc , キヤノン株式会社
发明人： MAEDA YORITSUGU , SHIROGATA JIRO , ARATA SATOSHI , FUJIWARA YUKIHIRO , KANAI MASARU , NAKAGAKI JUN , NAKAZATO ATSUSHI
IPC分类号： G03G21/14 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of accurately detecting image carrier speed, also, suppressing damages on an intermediate transfer belt and a photoreceptor drum to the utmost, and also, reducing a downtime. SOLUTION: The image forming apparatus 1 includes: a non-contact sensor 100 for reading the surface of the image carrier (intermediate transfer belt 31 or photoreceptor drum 11); a moving amount calculation part 124 for calculating the moving amount of the image carrier based on the read results obtained by reading by the non-contact sensor 100 a plurality of times; a roughing member 101 that forms a feature pattern on the image carrier; and a CPU 105 that controls the roughing member 101 to form the feature pattern on the image carrier when the moving amount of the image carrier may not be calculated. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确地检测图像载体速度，同时最大限度地抑制中间转印带和感光鼓的损伤的图像形成装置，并且还减少停机时间。图像形成装置1包括：用于读取图像载体（中间转印带31或感光鼓11）的表面的非接触传感器100; 移动量计算部124，用于基于通过非接触式传感器100进行多次读取而得到的读取结果，计算图像载体的移动量; 在图像载体上形成特征图案的粗加工构件101; 以及CPU 105，其可以在不能计算图像载体的移动量的情况下控制粗加工构件101以在图像载体上形成特征图案。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006079122A Driving force transmission mechanism, process cartridge, and image forming apparatus 有权
标题翻译：驱动力传动机构，过程盒和图像形成装置
公开(公告)号：JP2006079122A
公开(公告)日：2006-03-23
申请号：JP2005329377
申请日：2005-11-14
申请人： Canon Inc , キヤノン株式会社
发明人： YASUMOTO TAKESHI , FUJIWARA YUKIHIRO , ONO AKIO
IPC分类号： G03G15/00 , F16D1/06
摘要： PROBLEM TO BE SOLVED: To provide a driving force transmission mechanism capable of maintaining aligning accuracy, irrespective of the degree of engagement backlash between a recessed member and a projecting member by keeping the supported state of a photoreceptor drum being a driven system stable even when the contact of the recessed member with the projecting member is failed due to the rapid rotation of the driven system caused by another force given by a system other than a driving system. SOLUTION: The driving force transmission mechanism comprises a 1st coupling part which rotates in reply to the drive of a driving source 11, a 2nd coupling part which is attached to the image carrier 80 and rotates integrally with the image carrier 80, a shaft part 130 arranged to one of the coupling parts so as to project in the coupling direction, and an engagement hole 19 arranged in the other coupling member so as to fit the shaft part 130 therein. One of the coupling parts is a polygonal projection 10, and the other is a twisted hole 50 which is larger than the cross section of the one coupling part. The driving force is transmitted to the image carrier 80 with the engagement of the projection 10 and the twisted hole 50. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种驱动力传递机构，其能够通过将感光鼓的支撑状态保持为被驱动系统而稳定地保持对准精度，而与凹部构件和突出构件之间的接合间隙度无关即使由于由驱动系统以外的系统给出的另一个力而导致的驱动系统的快速旋转，凹部件与突出部件的接触失效。解决方案：驱动力传递机构包括响应于驱动源11的驱动而旋转的第一联接部件，附接到图像载体80并与图像载体80一体旋转的第二联接部件轴部件130，其布置成联接部件中的一个以便沿联接方向突出;以及接合孔19，布置在另一个联接部件中，以便将轴部件130装配在其中。耦合部分之一是多边形突起10，另一个是比一个耦合部分的横截面大的扭曲孔50。驱动力通过突起10和扭曲孔50的接合而被传递到图像载体80.（C）2006，JPO＆NCIPI

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