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    • 1. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20130058665A1
    • 2013-03-07
    • US13572069
    • 2012-08-10
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/08
    • G03G15/065G03G15/0896G03G15/6591
    • An image forming apparatus includes: an image bearing member; a development device that includes a developer bearing member in a development position opposite to the image bearing member to develop an electrostatic latent image formed on the image bearing member, the developer bearing member bearing and conveying a developer; a bias applying portion that applies a development bias to the developer bearing member; a recording-material sensing portion that senses a type of a recording material to which a toner image developed by the development device is transferred; and a controller that controls the bias applying portion to apply the development bias that degrades a development characteristic when the recording material has low smoothness, compared to high smoothness, from a sensing result of the recording-material sensing portion.
    • 图像形成装置包括:图像承载部件; 显影装置,其包括与图像承载部件相对的显影位置的显影剂承载部件,以形成形成在图像承载部件上的静电潜像,显影剂承载部件承载并输送显影剂; 将显影偏压施加到显影剂承载部件的偏压施加部分; 感测由显影装置显影的调色剂图像转印到的记录材料的类型的记录材料感测部分; 以及控制器,其控制偏压施加部分,以从记录材料感测部分的感测结果,与高平滑度相比,当记录材料具有低平滑度时,施加降低显影特性的显影偏压。
    • 2. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20120076519A1
    • 2012-03-29
    • US13235231
    • 2011-09-16
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/08
    • G03G15/0907
    • In an image forming apparatus including a plurality of image forming portions which respectively has a photosensitive drum, a charging roller, an exposure device, a development device, and a primary transfer roller which transfers a toner image developed to the drum to an intermediate transfer belt, for example, surface potential (On-image Vback) of a part overlapping a toner image to be formed at the image forming portion at the downstream of the belt movement direction from the image forming portion is set to be smaller than surface potential (i.e., Center Vback) of another part among surface potential (i.e., fog removal potential) of a non-image part of the photosensitive drum disposed to the image forming portion.
    • 在包括分别具有感光鼓,充电辊,曝光装置,显影装置和一次转印辊的多个图像形成部分的图像形成装置中,所述感光鼓将显影鼓的调色剂图像转印到中间转印带 例如,与从图像形成部分的带移动方向下游的图像形成部分处形成的调色剂图像重叠的部分的表面电位(On-image Vback)设置为小于表面电位(即 ,中心Vback)在设置到图像形成部分的感光鼓的非图像部分的表面电位(即除雾电位)中的另一部分。
    • 3. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20110013937A1
    • 2011-01-20
    • US12887574
    • 2010-09-22
    • Yusuke ISHIDA
    • Yusuke ISHIDA
    • G03G21/00
    • G03G15/0225G03G21/0064
    • An image forming apparatus is constituted by a rotatable image bearing member; a charging member for electrically charging the image bearing member in contact with the image bearing member; developing member, containing polishing particles, for collecting toner from the image bearing member and effecting development on the basis of an electrostatic latent image formed on the image bearing member; a transfer member for transferring a toner image formed on the image bearing member onto a transfer material; an auxiliary charging member, located downstream from a transfer portion and upstream from the charging member with respect to a movement direction of the image bearing member, for electrically charging toner remaining on the image bearing member after the transfer by contact with the image bearing member; and control means for performing a discharging mode, for discharging polishing particles from the auxiliary charging member onto the image bearing member on the basis of an image ratio of an image to be formed, during non-image formation by applying a voltage to the auxiliary charging member under a condition different from a condition for applying a voltage to the auxiliary charging member during image formation.
    • 图像形成装置由可旋转的图像承载部件构成; 用于使图像承载部件与图像承载部件接触地充电的充电部件; 显影构件,其包含用于从图像承载构件收集调色剂并基于形成在图像承载构件上的静电潜像进行显影的抛光颗粒; 用于将形成在图像承载部件上的调色剂图像转印到转印材料上的转印部件; 辅助充电构件,其相对于图像承载构件的移动方向位于转印部分的下游并且位于充电构件的上游,用于对通过与图像承载构件接触的转印之后剩余在图像承载构件上的调色剂进行充电; 以及用于执行放电模式的控制装置,用于在非图像形成期间,基于要形成的图像的图像比例将辅助充电部件上的研磨颗粒从辅助充电部件排出到辅助充电 在与图像形成期间向辅助充电构件施加电压的条件不同的条件下。
    • 4. 发明授权
    • Image forming apparatus for forming toner image using developer made of toner and carrier
    • 用于使用由调色剂和载体制成的显影剂形成调色剂图像的图像形成装置
    • US07831159B2
    • 2010-11-09
    • US11874751
    • 2007-10-18
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/08G03G15/10
    • G03G15/0283G03G15/065G03G15/0849G03G15/0855G03G15/0877G03G15/0893G03G2215/025G03G2215/0607G03G2215/0891
    • An apparatus is configured to charge an image bearing member in a charging section, develop an electrostatic image formed on the image bearing member, and transfer a toner image formed on the image bearing member to a transfer medium in a transfer section. The apparatus includes a charging auxiliary apparatus for changing a charge amount of toner on the image bearing member. The charging auxiliary apparatus includes a charging auxiliary member contacting with the image bearing member downstream of the transfer section and upstream of the charging section and a voltage applying device to apply a voltage to the charging auxiliary member. The apparatus includes a first detector to detect a current flowing in the charging auxiliary member during a period of non-image formation when the voltage is applied to the charging auxiliary member, a second detector to detect information regarding a toner density in the developing apparatus, and a control device to control toner supply to the developing apparatus based on detection results of both the detectors.
    • 一种装置被配置为对充电部分中的图像承载部件充电,展现形成在图像承载部件上的静电图像,并将形成在图像承载部件上的调色剂图像转印到转印部分中的转印介质上。 该装置包括用于改变图像承载部件上的调色剂的电荷量的充电辅助装置。 充电辅助设备包括充电辅助构件,其与图像承载构件在转印部分的下游和充电部分的上游接触,以及施加电压以向充电辅助构件施加电压。 该装置包括:第一检测器,用于在电压施加到充电辅助构件时,在非图像形成期间检测在充电辅助构件中流动的电流;第二检测器,用于检测关于显影装置中的调色剂浓度的信息; 以及控制装置,用于基于两个检测器的检测结果控制向显影装置供应的调色剂。
    • 5. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07773913B2
    • 2010-08-10
    • US11854484
    • 2007-09-12
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/30
    • G03G15/0849G03G15/0855G03G15/0891
    • An image forming apparatus includes first and second image forming units each including a charging device and a development device using a developer including a mixture of toner and carrier, a transfer device for serially transferring toner images onto a transfer medium, a replenishment device for replenishing a replenishing developer including a mixture of toner and carrier to each development device, and a discharge device for discharging the developer. The second image forming unit is disposed on a downstream side of the first image forming unit in a transfer medium travel direction. Each development device of the first and second image forming units is configured to recover a residual transfer toner remaining on each image bearing member. A weight percent of carrier in the replenishing developer to be replenished to the development device of the second image forming unit is larger than that of the first image forming unit.
    • 图像形成装置包括第一和第二图像形成单元,每个图像形成单元包括充电装置和使用包括调色剂和载体的混合物的显影剂的显影装置,用于将调色剂图像顺序转印到转印介质上的转印装置,用于补充 补充显影剂,包括调色剂和载体的混合物到每个显影装置,以及用于排出显影剂的放电装置。 第二图像形成单元在转印介质行进方向上设置在第一图像形成单元的下游侧。 第一和第二图像形成单元的每个显影装置被配置为回收残留在每个图像承载部件上的剩余转印调色剂。 补充显影剂中补充显影剂中第二图像形成单元的显影装置的载体的重量百分数大于第一图像形成单元的重量百分比。
    • 6. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20060110174A1
    • 2006-05-25
    • US11324470
    • 2006-01-04
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/00
    • G03G15/0849G03G15/5041G03G2215/00037
    • An image forming apparatus includes an image bearing member having a surface layer; electrostatic image forming means for forming an electrostatic image on the surface layer; developing means, containing at least toner and a carrier, for developing the electrostatic image; density measuring means for measuring a density of the developed electrostatic image; layer thickness measuring means for measuring a thickness of the surface layer; adjusting means for adjusting toner content in said developing means. The adjusting means adjusts the toner content on the basis of an output of the layer thickness measuring means.
    • 图像形成装置包括具有表面层的图像承载部件; 用于在表面层上形成静电图像的静电图像形成装置; 显影装置,至少包含调色剂和载体,用于显影静电图像; 用于测量显影静电图像的浓度的浓度测量装置; 层厚度测量装置,用于测量表面层的厚度; 用于调节所述显影装置中调色剂含量的调节装置。 调整装置根据层厚测量装置的输出来调节调色剂含量。
    • 7. 发明授权
    • Image forming apparatus with toner degradation suppression
    • 具有调色剂降解抑制的图像形成装置
    • US08805215B2
    • 2014-08-12
    • US13571634
    • 2012-08-10
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/08G03G15/00
    • G03G15/0896G03G15/6591G03G21/206
    • An image forming apparatus includes an image forming portion that forms an image on a first image bearing member, a transfer member that transfers the image on the first image bearing member to a second image bearing member, a power supply, a detecting portion that detects a voltage value and a current value, a velocity changing portion, an environment detecting portion, and a controller that determines a transfer voltage value in transferring an image based on a result detected at the detecting portion. An image can be formed at the plurality of velocities. The controller determines a transfer voltage value at a velocity other than the plurality of velocities based on a result detected at the detecting portion and a result detected at the environment detecting portion when the first image bearing member is operated at a predetermined velocity.
    • 图像形成装置包括在第一图像承载部件上形成图像的图像形成部,将第一图像承载部件上的图像转印到第二图像承载部件的转印部件,电源,检测部 电压值和电流值,速度变化部分,环境检测部分和控制器,其基于在检测部分检测到的结果确定传送图像中的转印电压值。 可以以多个速度形成图像。 控制器基于在检测部分检测到的结果以及当第一图像承载部件以预定速度操作时在环境检测部分检测到的结果,以除了多个速度以外的速度确定转印电压值。
    • 8. 发明授权
    • Projection type display
    • 投影型显示
    • US08777426B2
    • 2014-07-15
    • US12474737
    • 2009-05-29
    • Yusuke Ishida
    • Yusuke Ishida
    • G03B21/26
    • G03B21/53
    • A projection type display includes an optical system that includes a focus lens and is configured to project an image, a driver configured to move the focus lens along an optical axis, a phase difference sensor configured to receive light of the image that has been projected, and a controller configured to calculate a phase difference based on an output of the phase difference sensor, to calculate an in-focus position based on the phase difference that has been calculated, and to move the focus lens via the driver to the in-focus position for a focus control of the optical system, wherein the controller provides the focus control while a current position of the focus lens is located within an allowable range that is previously set in a movable range over which the focus lens can move along the optical axis.
    • 投影型显示器包括:包括聚焦透镜并被配置为投射图像的光学系统;被配置为沿着光轴移动聚焦透镜的驱动器;被配置为接收已投射的图像的光的相位差传感器; 以及控制器,被配置为基于所述相位差传感器的输出来计算相位差,以基于已经计算出的相位差来计算对焦位置,并且将所述聚焦透镜经由所述驾驶员移动到所述对焦 用于所述光学系统的聚焦控制的位置,其中所述控制器提供所述聚焦控制,同时所述聚焦透镜的当前位置位于预先设置在所述聚焦透镜可以沿着所述光轴移动的可移动范围的允许范围内 。
    • 9. 发明授权
    • Image forming apparatus with developing device, sensor, and controller
    • 具有显影装置,传感器和控制器的图像形成装置
    • US08768184B2
    • 2014-07-01
    • US13314489
    • 2011-12-08
    • Yusuke Ishida
    • Yusuke Ishida
    • G03G15/08
    • G03G15/0887G03G15/0853G03G15/0893
    • An image forming apparatus includes an image bearing member, a developing device for developing an electrostatic latent image including a developer and a developer carrying member, a sensor for detecting information related to a toner charge amount of the developer, and a controller. An image forming period has a first period and a second period, during which different modes are executed by the controller to provide for a lower speed of the developer carrying member in the first period than in the second period. The controller is capable of executing an operation that lowers the potential difference between a non-image-forming portion of the image bearing member and the developing bias applied to the developer carrying member based on detection results of the sensor.
    • 图像形成装置包括图像承载部件,用于显影包括显影剂和显影剂承载部件的静电潜像的显影装置,用于检测与显影剂的调色剂带电量相关的信息的传感器和控制器。 图像形成期间具有第一期间和第二期间,在该期间中,控制器执行不同的模式,以在第一期间比第二期间提供显影剂承载部件的较低速度。 控制器能够基于传感器的检测结果执行降低图像承载部件的非图像形成部分和施加到显影剂承载部件的显影偏压之间的电位差的操作。