公开(公告)号：US07941075B2

公开(公告)日：2011-05-10

申请号：US12481964

申请日：2009-06-10

申请人： Emiko Shiraishi ,  Shigekazu Enoki ,  Jun Yura ,  Hirokatsu Suzuki

发明人： Emiko Shiraishi ,  Shigekazu Enoki ,  Jun Yura ,  Hirokatsu Suzuki

IPC分类号： G03G15/00 ,  G03G21/10

CPC分类号： G03G21/0064

摘要： An image forming apparatus includes an image carrier, a charging unit including a charge member that is disposed facing the image carrier across a gap therebetween and charges the image carrier by using electrical discharge caused by applying thereto a voltage including an alternating current component superimposed on a direct current component, a latent image forming unit, a developing unit to supply toner for developing the latent image formed on the image carrier into a toner image and to collect residual toner remaining on the image carrier, a transfer unit, and a toner spreading member to spread toner on the image carrier and disposed upstream from the charging unit in a direction of movement of the image carrier and downstream from the transfer unit in the direction of movement of the image carrier.

摘要翻译： 图像形成装置包括图像载体，充电单元，该充电单元包括与图像载体横跨其间的间隔设置的充电元件，并通过使用放电而对图像载体进行充电，所述放电是通过向其施加包括叠加在 直流成分，潜像形成单元，显影单元，用于将形成在图像载体上的潜像显影成调色剂图像并收集剩余在图像载体上的残留调色剂，转印单元和调色剂扩散部件 以在图像载体上铺展调色剂，并且在图像载体的移动方向上沿图像载体的移动方向和从传送单元的下游设置在充电单元的上游。

公开(公告)号：US20080124106A1

公开(公告)日：2008-05-29

申请号：US11940033

申请日：2007-11-14

申请人： Shigekazu Enoki ,  Emiko Shiraishi ,  Hirokatsu Suzuki ,  Jun Yura ,  Norimasa Sohmiya

发明人： Shigekazu Enoki ,  Emiko Shiraishi ,  Hirokatsu Suzuki ,  Jun Yura ,  Norimasa Sohmiya

IPC分类号： G03G15/06

CPC分类号： G03G15/06 ,  G03G2215/0602

摘要： A bias voltage-applying unit applies a bias voltage to an insulating toner that includes an electric charge, by making a contact with the insulating toner. A light irradiating unit irradiates the insulating toner with a light. An electric-charge control unit controls an electric charge amount of the insulating toner by causing an optical switch phenomenon in which an electrostatic charge amount of the insulating toner changes, by irradiating the insulating toner with the light using the light irradiating unit while applying the bias voltage to the insulating toner using the bias voltage-applying unit.

摘要翻译： 偏压施加单元通过与绝缘调色剂接触而对包括电荷的绝缘调色剂施加偏压。 光照射单元用光照射绝缘调色剂。 电荷控制单元通过使绝缘调色剂的静电电荷量发生变化的光开关现象，通过使用光照射单元照射绝缘调色剂，同时施加偏压来控制绝缘调色剂的电荷量 使用偏置电压施加单元对绝缘调色剂的电压。

公开(公告)号：US20070122202A1

公开(公告)日：2007-05-31

申请号：US11563544

申请日：2006-11-27

申请人： KENICHI TAGUMA ,  Chiemi Kaneko ,  Hirokatsu Suzuki ,  Emiko Shiraishi

发明人： KENICHI TAGUMA ,  Chiemi Kaneko ,  Hirokatsu Suzuki ,  Emiko Shiraishi

IPC分类号： G03G15/08

CPC分类号： G03G15/0822 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/097 ,  G03G9/10 ,  G03G2215/0129 ,  G03G2215/0607 ,  G03G2215/0822 ,  G03G2215/0838

摘要： A developing unit circulates a developer unidirectionally and includes a developer carrier having a magnetic field generator therein. The developing unit further includes a supply part housing a supply screw, a collecting part housing a collecting screw, an agitation part housing an agitation screw, a first opening, a second opening, and a third opening. The developer is transported by the supply screw, the collecting screw, and the agitation screw from the collecting screw to the agitation screw through the first opening, from the agitation screw to the supply screw through the second opening, and from the supply screw to the collecting screw though the third opening in a developer circulation. A height of a bottom surface of the downstream part of the agitation screw is higher than a height of a bottom surface of the supply screw.

摘要翻译： 显影单元单向循环显影剂并且包括其中具有磁场发生器的显影剂载体。 显影单元还包括容纳供给螺杆的供给部，容纳收集螺杆的收集部，容纳搅拌螺杆的搅拌部，第一开口部，第二开口部以及第三开口部。 显影剂通过供给螺杆，收集螺杆和搅拌螺杆从收集螺杆通过第一开口传送到搅拌螺杆，通过第二开口从搅拌螺杆到供给螺杆，从供给螺杆传送到 在开发商流通中通过第三个开口收集螺丝。 搅拌螺杆的下游部分的底面的高度高于供应螺杆的底面的高度。

公开(公告)号：US07627260B2

公开(公告)日：2009-12-01

申请号：US11751223

申请日：2007-05-21

申请人： Emiko Shiraishi ,  Hirokatsu Suzuki

发明人： Emiko Shiraishi ,  Hirokatsu Suzuki

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G15/0879 ,  G03G2215/0838

摘要： A development apparatus can uniform a toner density by controlling the phase of a toner density fluctuation, and can inhibit fluctuation of the toner density and variation of the toner charge amount. The development apparatus is configured to have a phase control mechanism, which forms a dividing point at a predetermined point (e.g., an opening section provided on a partition plate between two screws) in a flow of a developer within the development apparatus in which a toner density fluctuates spatially due to toner replenishment or toner consumption caused by development, causes the developer divided at the dividing point to pass through different paths (path 1, path 2), thereby shifts a phase of the fluctuation of the toner density within the developer, and thereafter causes thus obtained developers having shifted phases to merge with each other, to perform phase control. The developers spatially having toner density fluctuations are superimposed with shifted phases, thereby a high toner density and a low toner density are averaged so that the toner density is uniformed.

摘要翻译： 显影装置可以通过控制调色剂浓度波动的相位来均匀调色剂浓度，并且可以抑制调色剂浓度的波动和调色剂带电量的变化。 显影装置被配置为具有相位控制机构，该相位控制机构在显影装置内的显影剂流中在预定点（例如，设置在两个螺钉之间的隔板上的开口部分）上形成分割点，其中调色剂 由于调色剂补充或由显影引起的调色剂消耗，密度在空间上波动，导致在分割点处划分的显影剂通过不同的路径（路径1，路径2），从而使显影剂内的调色剂浓度的波动相移， 然后使因此获得的相位相位变得相互合并的显影剂进行相位控制。 在空间上具有调色剂浓度波动的显影剂与偏移相叠加，从而平均调色剂浓度高和调色剂浓度低，使得调色剂浓度均匀。

公开(公告)号：US07796920B2

公开(公告)日：2010-09-14

申请号：US11563544

申请日：2006-11-27

申请人： Kenichi Taguma ,  Chiemi Kaneko ,  Hirokatsu Suzuki ,  Emiko Shiraishi

发明人： Kenichi Taguma ,  Chiemi Kaneko ,  Hirokatsu Suzuki ,  Emiko Shiraishi

IPC分类号： G03G15/08

CPC分类号： G03G15/0822 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/097 ,  G03G9/10 ,  G03G2215/0129 ,  G03G2215/0607 ,  G03G2215/0822 ,  G03G2215/0838

摘要： A developing unit circulates a developer unidirectionally and includes a developer carrier having a magnetic field generator therein. The developing unit further includes a supply part housing a supply screw, a collecting part housing a collecting screw, an agitation part housing an agitation screw, a first opening, a second opening, and a third opening. The developer is transported by the supply screw, the collecting screw, and the agitation screw from the collecting screw to the agitation screw through the first opening, from the agitation screw to the supply screw through the second opening, and from the supply screw to the collecting screw though the third opening in a developer circulation. A height of a bottom surface of the downstream part of the agitation screw is higher than a height of a bottom surface of the supply screw.

摘要翻译： 显影单元单向循环显影剂并且包括其中具有磁场发生器的显影剂载体。 显影单元还包括容纳供给螺杆的供给部，容纳收集螺杆的收集部，容纳搅拌螺杆的搅拌部，第一开口部，第二开口部以及第三开口部。 显影剂通过供给螺杆，收集螺杆和搅拌螺杆从收集螺杆通过第一开口传送到搅拌螺杆，通过第二开口从搅拌螺杆到供给螺杆，从供给螺杆传送到 在开发商流通中通过第三个开口收集螺丝。 搅拌螺杆的下游部分的底面的高度高于供应螺杆的底面的高度。

公开(公告)号：US20070274741A1

公开(公告)日：2007-11-29

申请号：US11751223

申请日：2007-05-21

申请人： Emiko Shiraishi ,  Hirokatsu Suzuki

发明人： Emiko Shiraishi ,  Hirokatsu Suzuki

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G15/0879 ,  G03G2215/0838

摘要： A development apparatus can uniform a toner density by controlling the phase of a toner density fluctuation, and can inhibit fluctuation of the toner density and variation of the toner charge amount. The development apparatus is configured to have a phase control mechanism, which forms a dividing point at a predetermined point (e.g., an opening section provided on a partition plate between two screws) in a flow of a developer within the development apparatus in which a toner density fluctuates spatially due to toner replenishment or toner consumption caused by development, causes the developer divided at the dividing point to pass through different paths (path 1, path 2), thereby shifts a phase of the fluctuation of the toner density within the developer, and thereafter causes thus obtained developers having shifted phases to merge with each other, to perform phase control. The developers spatially having toner density fluctuations are superimposed with shifted phases, thereby a high toner density and a low toner density are averaged so that the toner density is uniformed.

摘要翻译： 显影装置可以通过控制调色剂浓度波动的相位来均匀调色剂浓度，并且可以抑制调色剂浓度的波动和调色剂带电量的变化。 显影装置被配置为具有相位控制机构，该相位控制机构在显影装置内的显影剂流中在预定点（例如，设置在两个螺钉之间的隔板上的开口部分）上形成分割点，其中调色剂 由于调色剂补充或由显影引起的调色剂消耗，密度在空间上波动，导致在分割点处划分的显影剂通过不同的路径（路径1，路径2），从而使显影剂内的调色剂浓度的波动相移， 然后使因此获得的相位相位变得相互合并的显影剂进行相位控制。 在空间上具有调色剂浓度波动的显影剂与偏移相叠加，从而平均调色剂浓度高和调色剂浓度低，使得调色剂浓度均匀。

公开(公告)号：US20150050033A1

公开(公告)日：2015-02-19

申请号：US14325809

申请日：2014-07-08

申请人： Tadashi KASAI ,  Makoto Yasuda ,  Mutsuki Morinaga ,  Hitoshi Yamamoto ,  Emiko Shiraishi ,  Yuichi Aizawa

发明人： Tadashi KASAI ,  Makoto Yasuda ,  Mutsuki Morinaga ,  Hitoshi Yamamoto ,  Emiko Shiraishi ,  Yuichi Aizawa

IPC分类号： G03G15/08

CPC分类号： G03G15/0863 ,  G03G15/0879 ,  G03G15/6585

摘要： An image forming apparatus includes a plurality of image forming stations, each including a developing device, a toner container containing a colored or special toner, and a replaceable supply-toner conduit extending from the toner container to the developing device; and a toner type identifier to identify a type of toner used in the supply-toner conduit of each of the plurality of image forming stations.

摘要翻译： 图像形成装置包括多个图像形成站，每个图像形成站包括显影装置，包含着色或特殊调色剂的调色剂容器以及从调色剂容器延伸到显影装置的可替换供应调色剂导管; 以及调色剂类型标识符，以识别在多个图像形成站中的每一个的供应调色剂导管中使用的调色剂的类型。

公开(公告)号：US08837969B2

公开(公告)日：2014-09-16

申请号：US14068557

申请日：2013-10-31

申请人： Emiko Shiraishi ,  Yasuhiko Ogino ,  Reki Nakamura ,  Keigo Nakamura ,  Takahiro Seki

发明人： Emiko Shiraishi ,  Yasuhiko Ogino ,  Reki Nakamura ,  Keigo Nakamura ,  Takahiro Seki

IPC分类号： G03G15/16 ,  G03G13/16

CPC分类号： G03G13/16 ,  G03G15/1605 ,  G03G15/1675 ,  G03G15/6594 ,  G03G2215/00476 ,  G03G2215/00738

摘要： An image forming apparatus includes: an image carrier; a toner image forming unit that forms a toner image on the image carrier; a transfer unit that transfers the toner image on the image carrier to a transfer target having ridges and valleys on a surface thereof; an adjusting unit that adjusts a ratio of A/B, where A is a transfer ratio [%] from the image carrier to a valley portion of the transfer target while B is a transfer ratio [%] from the image carrier to a ridge portion of the transfer target, based on an adjustment input by a user; and a control unit that controls a transfer condition of the transfer unit based on the ratio of A/B adjusted by the adjusting unit.

摘要翻译： 图像形成装置包括：图像载体; 调色剂图像形成单元，其在所述图像载体上形成调色剂图像; 转印单元，其将图像载体上的调色剂图像转印到在其表面上具有脊和谷的转印体; 调整单元，其调节A / B的比例，其中A是从图像载体到转印目标的谷部的转印率[％]，而B是从图像载体到脊部的转印率[％] 基于用户的调整输入; 以及控制单元，其基于由所述调整单元调整的A / B的比率来控制所述转印单元的转印条件。

公开(公告)号：US08265527B2

公开(公告)日：2012-09-11

申请号：US12394617

申请日：2009-02-27

申请人： Emiko Shiraishi ,  Kentaroh Tomita ,  Takehide Mizutani ,  Takayuki Tamaki ,  Masumi Sato

发明人： Emiko Shiraishi ,  Kentaroh Tomita ,  Takehide Mizutani ,  Takayuki Tamaki ,  Masumi Sato

IPC分类号： G03G15/08

CPC分类号： G03G15/0822 ,  G03G15/0877 ,  G03G15/0879 ,  G03G2215/0607 ,  G03G2215/0822 ,  G03G2215/0838 ,  G03G2215/0888

摘要： A developing unit, which is incorporated in an image forming apparatus, includes a developer case to accommodate a two-component developer including toner and carrier, a developer bearing member bearing the two-component developer to supply the developer to an image, a developer supply path formed inside the developer case to supply the developer along the developer bearing member, an agitation and conveyance member disposed in the developer supply path, a toner collecting mechanism to collect toner after development, and a collected toner conveyance path formed inside the developer case and including a collected toner conveying member. The collected toner conveyance path and the developer supply path are arranged in communication with each other in the vicinity of one end portion of the collected toner conveyance path in a direction of conveyance of collected toner so as to circulate toner unused for development.

摘要翻译： 包括在图像形成装置中的显影单元包括容纳包含调色剂和载体的双组分显影剂的显影剂盒，承载双组分显影剂以将显影剂供应给图像的显影剂承载部件，显影剂供应 在显影剂盒内形成的路径，以沿着显影剂承载部件提供显影剂，设置在显影剂供应路径中的搅拌和输送部件，显影后收集调色剂的调色剂收集机构和形成在显影剂盒内部的收集的调色剂输送路径， 包括收集的调色剂传送构件。 收集的调色剂输送路径和显影剂供给路径在收集的调色剂输送路径的一个端部附近在收集的调色剂的输送方向上彼此连通，以使不用于显影的调色剂循环。

公开(公告)号：US10295930B2

公开(公告)日：2019-05-21

申请号：US15291320

申请日：2016-10-12

申请人： Emiko Shiraishi ,  Hiroaki Kuwabara

发明人： Emiko Shiraishi ,  Hiroaki Kuwabara

IPC分类号： G03G15/06

摘要： An applied voltage control device includes a potential difference determiner and an applied voltage controller. The potential difference determiner determines a potential difference between a maximum alternating current development voltage and a minimum alternating current development voltage, depending on a developing potential that is an absolute value of a difference between an average electric potential of an alternating current development and an electric potential of a latent image, so as to maintain a constant maximum voltage of a developing bias in the alternating current development. The applied voltage controller controls an alternating current development voltage, applied to move developer from a developer bearer to the latent image, so as to obtain the potential difference determined by the potential difference determiner.