公开(公告)号：US4484811A

公开(公告)日：1984-11-27

申请号：US329018

申请日：1981-12-09

申请人： Kimio Nakahata ,  Hatsuo Tajima ,  Naoki Iwami ,  Shunichi Masuda ,  Katsuichi Shimizu ,  Yoshihiro Kawatsura ,  Koji Suzuki ,  Yoshikazu Yokomizo

发明人： Kimio Nakahata ,  Hatsuo Tajima ,  Naoki Iwami ,  Shunichi Masuda ,  Katsuichi Shimizu ,  Yoshihiro Kawatsura ,  Koji Suzuki ,  Yoshikazu Yokomizo

IPC分类号： G03G15/00 ,  G03G15/06 ,  G03G15/30

CPC分类号： G03G15/5037 ,  G03G15/065 ,  G03G15/30

摘要： The image forming method is executed by projecting a light image on a rotatable recording member to consecutively form electrostatic latent images corresponding to the light image, developing the latent images, projecting a predetermined amount of light onto a non-imaged area present between two consecutive latent images on the recording member to form an electrostatic image, detecting potential of the electrostatic image, and controlling the development of the latent images next to the electrostatic image detected during the detection of the potential in response to the detection results. This method is performed in the image forming apparatus which includes a rotatable recording member, processing units for projecting a light image onto the recording member to consecutively form electrostatic latent images corresponding to the light image, a developer unit for developing the latent images, a voltage applying circuit for applying a voltage to the developer unit, a projecting unit for projecting a predetermined amount of light onto a non-imaged area present between two consecutive latent images on the recording member, a detector for detecting surface potential of the non-imaged area, and a controller for controlling the voltage applying circuit in response to detection output from the detector in the development of the latent image next to the non-imaged area in the developer unit.

摘要翻译： 图像形成方法通过将光图像投射在可旋转的记录部件上来连续地形成与光图像相对应的静电潜像，显影潜像，将预定量的光投射到存在于两个连续的潜在的非成像区域之间 记录部件上的图像以形成静电图像，检测静电图像的电位，并且响应于检测结果控制在检测到电位期间检测到的静电图像旁边的潜像的显影。 该方法在包括可旋转记录部件的图像形成装置中进行，用于将光图像投影到记录部件上以连续形成与光图像相对应的静电潜像的处理单元，用于显影潜像的显影单元，电压 用于向显影剂单元施加电压的施加电路，用于将预定量的光投射到存在于记录构件上的两个连续潜像之间的非成像区域上的投影单元，用于检测非成像区域的表面电位的检测器 以及控制器，用于在显影单元中的非成像区域旁边的潜像的显影中响应于来自检测器的检测输出来控制电压施加电路。

公开(公告)号：US4383497A

公开(公告)日：1983-05-17

申请号：US183947

申请日：1980-09-04

申请人： Hatsuo Tajima

发明人： Hatsuo Tajima

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/0808 ,  G03G2215/0619 ,  G03G2215/0636

摘要： A developing device of a construction including a magnetic device to form a magnetic brush with a magnetic carrier which charges and attracts single component, non-magnetic toner particles, a developer conveying device which receives the attracted toner particles through contact with the magnetic brush of the magnetic device, and leads the toner for development to a position confronting an electrostatic image holding member at a predetermined space interval, and a carrier passage inhibiting device, such as a device for applying an AC voltage between the magnetic device and developer conveying device, for providing movement of the toner to the conveying device while inhibiting movement of the carrier.

摘要翻译： 一种结构的显影装置，包括磁性装置，以形成带有电荷吸引单组分非磁性调色剂颗粒的磁性载体的磁刷，显影剂输送装置，其通过与吸附的调色剂颗粒接触而吸收吸引的调色剂颗粒 磁性装置，并将显影用调色剂引导到与静电图像保持部件相对的预定间隔的位置，以及载体通道抑制装置，例如用于在磁性装置和显影剂输送装置之间施加交流电压的装置，用于 提供调色剂到输送装置的运动，同时抑制载体的移动。

公开(公告)号：US5298961A

公开(公告)日：1994-03-29

申请号：US859809

申请日：1992-03-30

申请人： Hatsuo Tajima

发明人： Hatsuo Tajima

IPC分类号： G03G15/00 ,  B41J2/44 ,  G03G15/01 ,  G03G15/04 ,  G03G15/043 ,  G03G15/06 ,  G03G15/09 ,  G03G15/22 ,  G03G15/36 ,  H04N1/29 ,  G03G21/00

CPC分类号： G03G15/065 ,  G03G15/04018 ,  G03G15/36

摘要： An image forming apparatus includes an electrophotographic photosensitive member, a first optical device for forming a first electrostatic latent image on the photosensitive member, and a second optical device for forming a second electrostatic latent image on the photosensitive member. The first optical device includes a light source for illuminating an original to be recorded and a focusing optical system for projecting light reflected from the illuminated original onto the photosensitive member. The second optical device includes a modulated light emitting device for emitting modulated light in response to a record image signal and an optical device for exposing the modulated light onto the photosensitive member. A developer develops the first and second electrostatic latent images, an adjuster changes a luminous intensity of the light source to form the first electrostatic latent image and a controller controls a development bias voltage applied to the developer to develop the second electrostatic latent image in accordance with the change in the amount of luminous intensity of the light source.

摘要翻译： 图像形成装置包括电子照相感光构件，用于在感光构件上形成第一静电潜像的第一光学装置和用于在感光构件上形成第二静电潜像的第二光学装置。 第一光学装置包括用于照射要记录的原稿的光源和用于将从被照射的原稿反射的光投射到感光构件上的聚焦光学系统。 第二光学装置包括用于响应于记录图像信号发射调制光的调制发光装置和用于将调制的光暴露在感光构件上的光学装置。 显影剂开发第一静电潜像和第二静电潜像，调节器改变光源的发光强度以形成第一静电潜像，并且控制器控制施加到显影剂的显影偏压，以根据 光源的发光强度的变化。

公开(公告)号：US4538896A

公开(公告)日：1985-09-03

申请号：US633061

申请日：1984-07-20

申请人： Hatsuo Tajima ,  Tohru Takahashi ,  Nagao Hosono

发明人： Hatsuo Tajima ,  Tohru Takahashi ,  Nagao Hosono

IPC分类号： G03G15/00 ,  G03G15/08 ,  G03G21/10 ,  G03G21/18

CPC分类号： G03G21/1817 ,  G03G15/0868 ,  G03G15/0886 ,  G03G21/1628 ,  G03G2215/0665 ,  G03G2215/0675 ,  G03G2215/0685 ,  G03G2221/1651 ,  G03G2221/1666 ,  G03G2221/18 ,  G03G2221/183

摘要： A unit removably mountable to the body of an image formation apparatus such as an electrophotographic copying apparatus or an information recording apparatus. An image formation apparatus provided with such unit. The unit has an image bearing member, and a developer containing portion having a volume capable of containing the total amount of developer consumed by developing device for developing images formed on the image bearing member, during the durability period of the unit.

摘要翻译： 可拆卸地安装到诸如电子照相复印装置或信息记录装置的图像形成装置的主体上的单元。 具有该单元的图像形成装置。 该单元具有图像承载部件和显影剂容纳部分，该显影剂容纳部分在该单元的耐久期期间具有能够容纳在图像承载部件上形成的用于显影图像的显影装置消耗的显影剂的总量。

公开(公告)号：US4511778A

公开(公告)日：1985-04-16

申请号：US327688

申请日：1981-12-04

申请人： Tohru Takahashi ,  Hatsuo Tajima ,  Michio Shigenobu ,  Shigemichi Washiyama

发明人： Tohru Takahashi ,  Hatsuo Tajima ,  Michio Shigenobu ,  Shigemichi Washiyama

IPC分类号： G03G15/20 ,  H05B6/72 ,  H05B6/78 ,  G03G15/00

CPC分类号： G03G15/2007 ,  H05B6/72

摘要： A dielectric or induction heating fixing device utilizing a high-frequency wave such as microwave for fixing an unfixed image on an image bearing member stabilizes the fixing effect in accordance with the size of the image bearing member. A control device controls the applied high-frequency wave in accordance with the size of the image bearing member, a conveyer conveys one side edge of the image bearing member of each size along a conveyance standard or reference, and a device regulates the area to which the high-frequency wave is applied, in accordance with each size. In a preferred embodiment, there is provided a control device for controlling the applied high-frequency wave so that the fixativeness of the unfixed image after the image bearing member has passed the area to which the high-frequency wave is applied becomes equal irrespective of the size of the image bearing member.

摘要翻译： 使用诸如微波等高频波的电介质或感应加热定影装置将未定影图像固定在图像承载部件上，根据图像承载部件的尺寸稳定固定效果。 控制装置根据图像承载部件的尺寸来控制所施加的高频波，输送机沿着输送标准或基准传送每个尺寸的图像承载部件的一侧边缘，并且装置调节 根据每个尺寸应用高频波。 在优选实施例中，提供了一种用于控制所施加的高频波的控制装置，使得在图像承载部件经过施加高频波的区域之后的未定影图像的固定性变得相等，而与 图像承载部件的尺寸。

公开(公告)号：US4395110A

公开(公告)日：1983-07-26

申请号：US238633

申请日：1981-02-26

申请人： Nagao Hosono ,  Hatsuo Tajima

发明人： Nagao Hosono ,  Hatsuo Tajima

IPC分类号： G03G15/08

CPC分类号： G03G15/0812

摘要： A developing device has developer support positioned with a small clearance between it and a latent image bearing member, a developer supply device for supplying developer onto the surface of developer support, and an applying device for applying the developer in a layer of a defined thickness on the developer support. The applying device is positioned in the proximity of or in contact with the developer support and is provided with protrusions or recesses at least in an area facing the developer support. Therefore, a uniform developer layer is formed on the developer support.

摘要翻译： 显影装置具有定位在其与潜像承载部件之间的小间隙的显影剂支撑件，用于将显影剂供应到显影剂载体的表面上的显影剂供应装置和用于将显影剂施加到限定厚度的层上的涂布装置 开发人员支持。 施加装置定位在显影剂载体附近或与显影剂载体接触，并且至少在面向显影剂载体的区域中设置有突起或凹陷。 因此，在显影剂载体上形成均匀的显影剂层。

公开(公告)号：US06201942B1

公开(公告)日：2001-03-13

申请号：US09537876

申请日：2000-03-29

申请人： Takao Honda ,  Nobuaki Hara ,  Hatsuo Tajima ,  Tsuyoshi Watanabe ,  Keitaro Yamashita ,  Hiromi Kashiwagi

发明人： Takao Honda ,  Nobuaki Hara ,  Hatsuo Tajima ,  Tsuyoshi Watanabe ,  Keitaro Yamashita ,  Hiromi Kashiwagi

IPC分类号： G03G1508

CPC分类号： G03G15/0818 ,  G03G15/0928 ,  G03G2215/0861

摘要： A developer-carrying member to be installed in an electrophotographic developing device for carrying and conveying a developer along a surface thereof, is formed of a substrate, and an intermediate electroless plating layer and an electroplating layer disposed in this order on the substrate. As a result of the electroless and electro double plating layer structure, the developer-carrying member is provided with a wear-resistant surface which has an appropriate degree of roughness suitable for conveying the developer thereon and is yet free from minute projections and cracks undesirable from the viewpoint of continuous image forming performances.

摘要翻译： 安装在电子照相显影装置中用于承载和传送显影剂沿其表面的显影剂承载构件由基板，以及依次设置在基板上的中间化学镀层和电镀层形成。 作为化学镀和电镀双层电镀层结构的结果，显影剂承载构件设置有耐磨表面，该耐磨表面具有适于在其上输送显影剂的适当的粗糙度，并且没有不希望的微小突起和裂纹 连续成像性能的观点。

公开(公告)号：US5187535A

公开(公告)日：1993-02-16

申请号：US846067

申请日：1992-03-05

申请人： Hatsuo Tajima

发明人： Hatsuo Tajima

IPC分类号： G03G15/01

CPC分类号： G03G15/0121

摘要： An image forming apparatus includes a first developing device having a first developer carrying member for supplying a first color toner in the first developing zone; a first voltage applying device for applying to the first developer carrying member a first oscillating bias voltage which has a first phase of time period t11 for forming a first electric field applying to the first color toner a force away from the first developer carrying member toward the image bearing member and a second phase of time period t21 for forming a second electric field applying to the first color toner a force away from the image bearing member toward the first developer carrying member; a second developing device having a second developer carrying member for supplying a second color toner in the second developing zone; and second voltage applying device intermittently applying to the second developer carrying member a second oscillating bias voltage having a third phase of time period t12 for forming a third electric field applying to the second color toner a force away from the second developer carrying member to the image bearing member and a fourth phase of time period t22 for forming a fourth electric field applying a force to the second color toner away from the image bearing member toward the second developer carrying member, wherein (t11+t21)>(t12+t22), is satisfied.

摘要翻译： 图像形成装置包括：第一显影装置，具有用于在第一显影区域中供应第一彩色调色剂的第一显影剂承载部件; 第一电压施加装置，用于向第一显影剂承载构件施加第一振荡偏置电压，该第一振荡偏置电压具有时间段t11的第一相位，用于形成施加到第一彩色调色剂的第一电场，离开第一显影剂承载构件朝向 图像承载部件和时间段t21的第二相位，用于形成向第一彩色调色剂施加远离图像承载部件朝向第一显影剂承载部件的力的第二电场; 第二显影装置，具有用于在第二显影区域中供应第二彩色调色剂的第二显影剂承载构件; 以及第二电压施加装置，间歇地向第二显影剂承载构件施加具有第三相位时间段t12的第二振荡偏置电压，用于形成施加到第二彩色调色剂的第三电场从第二显影剂承载构件到图像的力 （t11 + t21）>（t12 + t22），形成第四电场，使第二彩色调色剂从图像承载部件向第二显影剂承载部件施加力， 满意

公开(公告)号：US5045420A

公开(公告)日：1991-09-03

申请号：US447070

申请日：1989-12-07

申请人： Nagao Hosono ,  Shinkichi Takahashi ,  Hatsuo Tajima

发明人： Nagao Hosono ,  Shinkichi Takahashi ,  Hatsuo Tajima

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G13/01 ,  G03G15/01

CPC分类号： G03G9/0926 ,  G03G13/013

摘要： A color image forming method, comprising the steps of: providing a particulate developer comprising at least two species of sensitive particles which are capable of respectively absorbing lights having different wavelengths to be decolorized or faded; developing an electrostatic latent image with the particulate developer to form an image comprising the developer; and exposing the developer image to light having a wavelength capable of selectively decolorizing at least one species of the sensitive particles.

摘要翻译： 一种彩色图像形成方法，包括以下步骤：提供包含至少两种敏感颗粒的颗粒状显影剂，所述敏感颗粒能够分别吸收具有不同波长的光以脱色或褪色; 用微粒显影剂显影静电潜像以形成包含显影剂的图像; 并将显影剂图像曝光到具有能够选择性地使至少一种敏感颗粒脱色的波长的光。

公开(公告)号：US4954404A

公开(公告)日：1990-09-04

申请号：US251780

申请日：1988-10-03

申请人： Masahiro Inoue ,  Hatsuo Tajima ,  Yuji Sakemi ,  Kenji Okado

发明人： Masahiro Inoue ,  Hatsuo Tajima ,  Yuji Sakemi ,  Kenji Okado

IPC分类号： G03G15/01 ,  G03G13/01 ,  G03G13/09

CPC分类号： G03G13/09 ,  G03G13/013

摘要： A method of reverse development for depositing the toner particles to the light potential area of a photosensitive member. The developer used contains magnetic carrier particles and toner particles. An alternating electric field is formed in the developing position or zone. A relative volumetric ratio Q (%) of the magnetic carrier particles in the developing position satisfies 15.0.ltoreq.Q.ltoreq.28.0. The relative volumetric ratio is defined asQ=(M/h).times.(1/.rho.).times.C.sigma./(T+C)where M (g/cm.sup.2) is an amount of applied developer on a developing sleeve surface per unit area, h (cm) is a height of space in the developing position, .rho. (g/cm.sup.3) is a true density of the magnetic carrier particles, C/(T+C) (%) is a weight ratio of the carrier particles in the developer on the surface of the sleeve, and .sigma. is a ratio of a peripheral speed of the sleeve relative to the peripheral speed of the photosensitive member.

摘要翻译： 一种用于将调色剂颗粒沉积到感光构件的光电势区域的反向显影方法。 使用的显影剂包含磁性载体颗粒和调色剂颗粒。 在显影位置或区域形成交变电场。 显影位置中的磁性载体颗粒的相对体积比Q（％）满足15.0≤Q≤28.0。 相对体积比定义为Q =（M / h）x（1 / rho）xC sigma /（T + C）其中M（g / cm2）是每单位面积在显影套筒表面上施加的显影剂的量， h（cm）是显影位置的高度，rho（g / cm3）是磁性载体颗粒的真实密度，C /（T + C）（％）是载体颗粒的重量比 显影剂在套筒的表面上，西格玛是套筒的圆周速度相对于感光构件的圆周速度的比率。