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1. 发明授权

US08320783B2 Image forming apparatus with a plurality of primary transfer sections 有权
标题翻译：具有多个一次转印部的图像形成装置
公开(公告)号：US08320783B2
公开(公告)日：2012-11-27
申请号：US12621578
申请日：2009-11-19
申请人： Satoshi Ogata , Atsushi Takahashi , Jun Onishi
发明人： Satoshi Ogata , Atsushi Takahashi , Jun Onishi
IPC分类号： G03G15/16
CPC分类号： G03G15/0136 , G03G2215/0135 , G03G2215/0154 , G03G2215/0158 , G03G2215/0193
摘要： A first mode to form a toner image of single color where a pressure contact release section T changes a primary transfer section 7 to be in a pressure contact state, and a second mode to form an overlapped toner image where the pressure contact device T changes a plurality of the primary transfer sections 7 to be in the pressure contact state can be executed, wherein a speed difference D1 between an image carrier 1 and an intermediate transfer belt 6 in the first mode is controlled to be greater than a speed difference D2 between the image carrier 1 and the intermediate transfer belt 6 in the second mode.
摘要翻译：形成单色调色剂图像的第一模式，其中压力接触释放部分T将一次转印部分7变为处于压力接触状态的第二模式，以及形成压力接触装置T改变的重叠调色剂图像的第二模式可以执行多个一次转印部7处于压力接触状态，其中将图像载体1和第一模式中的中间转印带6之间的速度差D1控制为大于第一模式中的速度差D2 图像载体1和中间转印带6。

2. 发明申请

US20100129104A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20100129104A1
公开(公告)日：2010-05-27
申请号：US12621578
申请日：2009-11-19
申请人： Satoshi Ogata , Atsushi Takahashi , Jun Onishi
发明人： Satoshi Ogata , Atsushi Takahashi , Jun Onishi
IPC分类号： G03G15/16 , G03G15/01
CPC分类号： G03G15/0136 , G03G2215/0135 , G03G2215/0154 , G03G2215/0158 , G03G2215/0193
摘要： A first mode to form a toner image of single color where a pressure contact release section T changes a primary transfer section 7 to be in a pressure contact state, and a second mode to form an overlapped toner image where the pressure contact device T changes a plurality of the primary transfer sections 7 to be in the pressure contact state can be executed, wherein a speed difference D1 between an image carrier 1 and an intermediate transfer belt 6 in the first mode is controlled to be greater than a speed difference D2 between the image carrier 1 and the intermediate transfer belt 6 in the second mode.
摘要翻译：形成单色调色剂图像的第一模式，其中压力接触释放部分T将一次转印部分7变为处于压力接触状态的第二模式，以及形成压力接触装置T改变的重叠调色剂图像的第二模式可以执行多个一次转印部7处于压力接触状态，其中将图像载体1和第一模式中的中间转印带6之间的速度差D1控制为大于第一模式中的速度差D2 图像载体1和中间转印带6。

3. 发明申请

US20090317110A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20090317110A1
公开(公告)日：2009-12-24
申请号：US12487141
申请日：2009-06-18
申请人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
发明人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G2215/00599 , G03G2215/0154
摘要： An image forming apparatus includes an image carrier for carrying a toner image, a drive device for driving the image carrier at a predetermined speed, a control device for giving instruction to the drive device to perform predetermined operation, and a transfer device for nipping a recording sheet with a rotary member at the position opposed to the image carrier and for transferring the toner image on the image carrier onto the recording sheet, wherein the control device gives instruction to the drive device to generate a variation having a phase which is reverse to a phase of a variation given to the predetermined speed of the image carrier by a vibration produced at the time of passage of the recording sheet between the image carrier and the transfer device.
摘要翻译：图像形成装置包括用于承载调色剂图像的图像载体，用于以预定速度驱动图像载体的驱动装置，用于向驱动装置执行预定操作的控制装置，以及用于夹持记录的传送装置在与图像载体相对的位置处具有旋转构件的片材，并且用于将图像载体上的调色剂图像转印到记录片材上，其中控制装置给予驱动装置指令以产生具有与图像载体相反的相位的变化通过在记录纸在图像载体和转印装置之间通过时产生的振动，给予图像载体的预定速度的变化的相位。

4. 发明授权

US06725005B2 Drive control method of photoreceptor drum and image forming apparatus 失效
标题翻译：感光鼓和图像形成装置的驱动控制方法
公开(公告)号：US06725005B2
公开(公告)日：2004-04-20
申请号：US10267621
申请日：2002-10-09
申请人： Tadayuki Ueda , Hiroyuki Maruyama , Kenji Izumiya , Ryuji Okutomi , Shinobu Kishi , Satoshi Ogata , Eiji Nishikawa , Jun Onishi
发明人： Tadayuki Ueda , Hiroyuki Maruyama , Kenji Izumiya , Ryuji Okutomi , Shinobu Kishi , Satoshi Ogata , Eiji Nishikawa , Jun Onishi
IPC分类号： G03G1500
CPC分类号： G03G15/757 , G03G15/5008 , G03G2215/0119
摘要： There is described a method of controlling the rotational peripheral speed of the rotating photoreceptor drum to make it constant. The method includes the steps of: detecting angular velocity signals by means of angular velocity detecting device disposed on an axis of the photoreceptor drum; finding deviations from a reference angular velocity, based on the angular velocity signals; storing a profile of the deviations within a one-revolution of the photoreceptor drum in a storage section, while revising the profile in real-time base; applying an arithmetic processing to an angular velocity signal detected at a current rotational-position of the photoreceptor drum by referring data included in the profile obtained in a preceding one-revolution of the photoreceptor drum; and controlling the motor, based on results of the arithmetic processing for the angular velocity signals, so as to compress the deviations from the reference angular velocity as small as possible.
摘要翻译：描述了一种控制旋转感光鼓的旋转圆周速度以使其恒定的方法。该方法包括以下步骤：通过设置在感光鼓的轴上的角速度检测装置检测角速度信号; 基于角速度信号发现与参考角速度的偏差; 将感光鼓的一圈内的偏差轮廓存储在存储部分中，同时实时修改轮廓; 通过参考在感光鼓的前一转中获得的轮廓中包含的数据，对感光鼓的当前旋转位置检测到的角速度信号应用运算处理; 并且基于角速度信号的运算处理的结果来控制马达，以便尽可能地减小参考角速度的偏差。

5. 发明授权

US08238794B2 Image forming apparatus with drive device generating reverse phase variation 有权
标题翻译：具有产生反相变化的驱动装置的图像形成装置
公开(公告)号：US08238794B2
公开(公告)日：2012-08-07
申请号：US12487141
申请日：2009-06-18
申请人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
发明人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
IPC分类号： G03G15/00 , G03G15/14 , G03G21/00
CPC分类号： G03G15/1605 , G03G2215/00599 , G03G2215/0154
摘要： An image forming apparatus includes an image carrier for carrying a toner image, a drive device for driving the image carrier at a predetermined speed, a control device for giving instruction to the drive device to perform predetermined operation, and a transfer device for nipping a recording sheet with a rotary member at the position opposed to the image carrier and for transferring the toner image on the image carrier onto the recording sheet, wherein the control device gives instruction to the drive device to generate a variation having a phase which is reverse to a phase of a variation given to the predetermined speed of the image carrier by a vibration produced at the time of passage of the recording sheet between the image carrier and the transfer device.
摘要翻译：图像形成装置包括用于承载调色剂图像的图像载体，用于以预定速度驱动图像载体的驱动装置，用于向驱动装置执行预定操作的控制装置，以及用于夹持记录的传送装置在与图像载体相对的位置处具有旋转构件的片材，并且用于将图像载体上的调色剂图像转印到记录片材上，其中控制装置给予驱动装置指令以产生具有与图像载体相反的相位的变化通过在记录纸在图像载体和转印装置之间通过时产生的振动，给予图像载体的预定速度的变化的相位。

6. 发明授权

US08600251B2 Image forming apparatus and image forming method 有权
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US08600251B2
公开(公告)日：2013-12-03
申请号：US13114747
申请日：2011-05-24
申请人： Satoshi Ogata , Katsunori Takahashi , Jun Onishi
发明人： Satoshi Ogata , Katsunori Takahashi , Jun Onishi
IPC分类号： G03G15/16 , G03G15/08
CPC分类号： G03G15/168 , G03G15/161 , G03G2215/0193
摘要： An image forming apparatus including: an image bearing member for bearing a toner image; a transfer section, which is pressed against, and is separated from, the image bearing member, for transferring a toner image on the image bearing member onto a recording medium when being pressed against the image bearing member, a transfer section drive section for driving the transfer section to rotate; and a control section configured to control the transfer section drive section to carry out constant speed control and constant torque control, to drive said transfer section to rotate at a constant speed, and at a constant torque, respectively, wherein the control section carries out the constant torque control while the transfer section is pressed against the image bearing member, in accordance with a drive torque detected when the constant speed control is carried out while the transfer section is separated from the image bearing member.
摘要翻译：一种图像形成装置，包括：用于承载调色剂图像的图像承载部件; 传送部分，其被压靠并且与图像承载部件分离，用于当被压靠在图像承载部件上时将图像承载部件上的调色剂图像转印到记录介质上;传送部分驱动部分，用于驱动转移部分旋转; 以及控制部，其被配置为控制所述传送部驱动部，以进行恒速控制和恒定转矩控制，以驱动所述传送部分分别以恒定速度和恒定转矩旋转，其中所述控制部分执行当转印部分与图像承载部件分离时，根据在执行恒定速度控制时检测到的驱动转矩，将转印部分压靠在图像承载部件上的恒定转矩控制。

7. 发明申请

US20080118273A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20080118273A1
公开(公告)日：2008-05-22
申请号：US11872173
申请日：2007-10-15
申请人： Satoshi Ogata , Jun Onishi , Tadayuki Ueda
发明人： Satoshi Ogata , Jun Onishi , Tadayuki Ueda
IPC分类号： G03G15/00
CPC分类号： G03G15/16 , G03G15/50
摘要： An image forming apparatus having a rotation body which is used for transferring an image, a drive section which rotates the rotation body, and a control section which sends a control signal to the drive section to control a speed of the rotation body, the image forming apparatus including: a test signal generating section which generates a test signal and adds it to the control signal; an angular velocity detecting section which detects an angular velocity of the rotation body; and a transfer function calculating section which obtains a latest transfer function of a rotation system including the rotation body and drive section, based on the angular velocity detected by the angular velocity detecting section and the test signal generated by the test signal generating section, wherein the control section controls the drive section, based on the latest transfer function obtained by the transfer function calculating section.
摘要翻译：一种图像形成装置，具有用于传送图像的旋转体，旋转体的驱动部，以及向驱动部发送控制信号以控制旋转体的速度的控制部，成像部该装置包括：测试信号产生部分，其生成测试信号并将其加到控制信号上; 角速度检测部，其检测旋转体的角速度; 以及传递函数计算部，其基于由角速度检测部检测出的角速度和由测试信号生成部生成的测试信号，求出包括旋转体和驱动部的旋转系统的最新传递函数，其中，控制部基于由传递函数计算部获得的最新传递函数来控制驱动部。

8. 发明授权

US08408830B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08408830B2
公开(公告)日：2013-04-02
申请号：US12328869
申请日：2008-12-05
申请人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
发明人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
IPC分类号： G03G15/00 , B65H7/10 , B41J29/38
CPC分类号： G03G15/6567 , G03G15/235 , G03G15/6564
摘要： An image forming apparatus includes a moving roller capable of axial movement; a medium end position detecting section for detection in the main scanning direction; and a control section for calculating the amount of misalignment of the medium from the detected end position; wherein the control section obtains the correction amount of the image forming position of the medium according to the amount of misalignment of the medium having been calculated, or the amount of misalignment of the medium and information of moving position of the roller, and provides control such that the medium or another medium coming later than the medium by a predetermined number of pages is moved by the moving roller by the difference between the correction amount of the image forming position and the amount of misalignment of the target medium, and the image forming position is corrected according to the correction amount.
摘要翻译：图像形成装置包括能够轴向运动的移动辊; 中间位置检测部，其在主扫描方向上检测; 以及控制部分，用于计算介质从检测到的终端位置的未对准量; 其中，所述控制部根据所计算的介质的未对准量或所述介质的未对准量以及所述辊的移动位置的信息，获得所述介质的图像形成位置的修正量，并且提供所述控制通过移动辊使介质或介质等于介质的预定页数的介质或另一介质由图像形成位置的校正量与目标介质的未对准量之间的差异以及图像形成位置根据校正量进行校正。

9. 发明授权

US07860422B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US07860422B2
公开(公告)日：2010-12-28
申请号：US11872173
申请日：2007-10-15
申请人： Satoshi Ogata , Jun Onishi , Tadayuki Ueda
发明人： Satoshi Ogata , Jun Onishi , Tadayuki Ueda
IPC分类号： G03G21/14
CPC分类号： G03G15/16 , G03G15/50
摘要： An image forming apparatus having a rotation body which is used for transferring an image, a drive section which rotates the rotation body, and a control section which sends a control signal to the drive section to control a speed of the rotation body, the image forming apparatus including: a test signal generating section which generates a test signal and adds it to the control signal; an angular velocity detecting section which detects an angular velocity of the rotation body; and a transfer function calculating section which obtains a latest transfer function of a rotation system including the rotation body and drive section, based on the angular velocity detected by the angular velocity detecting section and the test signal generated by the test signal generating section, wherein the control section controls the drive section, based on the latest transfer function obtained by the transfer function calculating section.
摘要翻译：一种图像形成装置，具有用于传送图像的旋转体，旋转体的驱动部，以及向驱动部发送控制信号以控制旋转体的速度的控制部，成像部该装置包括：测试信号产生部分，其生成测试信号并将其加到控制信号上; 角速度检测部，其检测旋转体的角速度; 以及传递函数计算部，其基于由角速度检测部检测出的角速度和由测试信号生成部生成的测试信号，求出包括旋转体和驱动部的旋转系统的最新传递函数，其中，控制部基于由传递函数计算部获得的最新传递函数来控制驱动部。

10. 发明申请

US20100129103A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20100129103A1
公开(公告)日：2010-05-27
申请号：US12621219
申请日：2009-11-18
申请人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
发明人： Satoshi Ogata , Jun Onishi , Shinpei Kawasaki
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G2215/00603
摘要： An image forming apparatus, comprises an image carrying member for carrying a toner image; a drive section for driving the image carrying member at a predetermined speed; a transfer section for forming a transfer region with the image carrying member therebetween in which the transfer section nips a sheet of recording paper with the image carrying member so as to transfer the toner image on the image carrying member to the sheet of recording paper; a memory section for memorizing control data to suppress speed fluctuation which is caused on the image carrying member when the sheet of recording paper passes the transfer region; and a control section to control the drive section based on the control data memorized in the memory section such that the drive section applies torque with a phase reverse to that of the speed fluctuation onto the image carrying member.
摘要翻译：一种图像形成装置，包括用于承载调色剂图像的图像承载构件; 用于以预定速度驱动图像承载构件的驱动部分; 用于形成转印区域的转印区域，其中所述图像承载构件在其间，所述转印部分用所述图像承载构件夹住一张记录纸，以将所述图像承载构件上的调色剂图像转印到所述记录纸张上; 存储部，用于存储控制数据以抑制当记录纸通过传送区域时在图像承载部件上引起的速度波动; 以及控制部，其基于存储在存储部中的控制数据来控制驱动部，使得驱动部以与速度波动相反的转矩施加到图像承载部件上。

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