公开(公告)号：US6097919A

公开(公告)日：2000-08-01

申请号：US218087

申请日：1998-12-22

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

IPC分类号： G03G15/01 ,  G03G15/16

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： In an image forming apparatus according to the present invention, the toner images of the plural colors on the intermediate transfer member are electrostatically transferred to a transfer material, and the image forming charges the toner image of a color, among the toner images of the plural colors formed on the intermediate transfer member, different from the last color in such a manner that the charge amount per unit weight of the toner image of the different color becomes 0.5 to 1.5 times of the charge amount per unit weight of the toner image of the last color, after the formation of the toner image of the last color on the intermediate transfer member and prior to the transfer of the toner images of the plural colors on the intermediate transfer member to the transfer material.

摘要翻译： 在根据本发明的图像形成装置中，中间转印部件上的多种颜色的调色剂图像被静电转印到转印材料上，并且图像形成对多色调色剂图像中的色调剂图像进行充电 在中间转印部件上形成的颜色不同于最后的颜色，使得不同颜色的调色剂图像的每单位重量的电荷量成为每单位重量的调色剂图像的电荷量的0.5至1.5倍 在中间转印部件上形成最后颜色的调色剂图像之后，并且将中间转印部件上的多种调色剂图像转印到转印材料之前。

公开(公告)号：US5678130A

公开(公告)日：1997-10-14

申请号：US659774

申请日：1996-05-03

申请人： Naoki Enomoto ,  Haruo Fujii ,  Hiroshi Sasame ,  Motoi Katoh ,  Tatsuya Kobayashi ,  Masao Nakano ,  Kazuhisa Kemmochi ,  Tetsuya Kobayashi ,  Toshiaki Miyashiro ,  Akihiko Uchiyama ,  Yoshiro Saito

发明人： Naoki Enomoto ,  Haruo Fujii ,  Hiroshi Sasame ,  Motoi Katoh ,  Tatsuya Kobayashi ,  Masao Nakano ,  Kazuhisa Kemmochi ,  Tetsuya Kobayashi ,  Toshiaki Miyashiro ,  Akihiko Uchiyama ,  Yoshiro Saito

IPC分类号： G03G15/06

CPC分类号： G03G15/065

摘要： A developing apparatus includes a developer carrying member, disposed opposed to an image bearing member, for carrying a developer; a developing bias voltage applying source for applying a developing bias voltage having an oscillating component to the developer carrying member to develop an electrostatic latent image formed on the image bearing member; wherein 10.0.ltoreq.T11/(T11+T12).times.100.ltoreq.90.0, where T11 is a time period of a first step in which an electric field is formed in a direction for directing the developer from the developer carrying member toward the image bearing member in one cycle of the oscillating component of the developing bias voltage applied by the developing bias application source, and T12 is a time period of a third step between the first step and a second step in which an electric field is formed in a direction for directing the developer from the image bearing member to the developer carrying member, and T11/(T11+T12) is an inclination of the developing bias voltage.

摘要翻译： 显影装置包括与图像承载部件相对设置的用于承载显影剂的显影剂承载部件; 用于将具有振荡组分的显影偏压施加到显影剂承载构件以显影形成在图像承载构件上的静电潜像的显影偏压施加源; 其中，10

公开(公告)号：US06330407B1

公开(公告)日：2001-12-11

申请号：US09337127

申请日：1999-06-21

申请人： Shinichi Tsukida ,  Toshiaki Miyashiro ,  Kimitaka Ichinose

发明人： Shinichi Tsukida ,  Toshiaki Miyashiro ,  Kimitaka Ichinose

IPC分类号： G03G1516

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： An image forming apparatus has an image bearing member for bearing a different color toner image; a movable intermediate transfer member; voltage applicator for applying a voltage to the intermediary transfer member to effect electrostatic, sequential and superimposing transfer of the different color toner images from the image bearing member onto the intermediary transfer member at a transfer position A first toner image on the intermediary transfer member passes through the transfer position in the period which is after a first toner image is transferred from the image bearing member onto the intermediary transfer member by the voltage applicator and which is before a second toner image which is immediately subsequent to the first toner image is transferred from the image bearing member onto the intermediary transfer member; and a control for switching a voltage applied to the intermediary transfer member from a first voltage for transferring the first toner image from the image bearing member onto the intermediary transfer member to a second voltage having an absolute value larger than that of the first voltage, before a leading edge of the first toner image on the intermediary transfer member reaches the transfer position during the period.

摘要翻译： 图像形成装置具有用于承载不同颜色的调色剂图像的图像承载部件; 可动中间转印件; 电压施加器，用于向中间转印部件施加电压，以在转印位置A上将不同颜色的调色剂图像从图像承载部件静电，顺序和重叠地转印到中间转印部件上。中间转印部件上的第一调色剂图像通过 在第一调色剂图像之后的时段中的转印位置从图像承载部件通过电压施加器转印到中间转印部件上，并且在紧接着第一调色剂图像之后的第二调色剂图像之前从第 图像承载部件到中间转印部件上; 以及用于从第一电压切换施加到中间转印部件的电压的控制，用于将第一调色剂图像从图像承载部件转印到中间转印部件上，使其具有绝对值大于第一电压的绝对值的第二电压，之前， 中间转印部件上的第一调色剂图像的前缘在该期间内到达转印位置。

公开(公告)号：US06308019B1

公开(公告)日：2001-10-23

申请号：US09392302

申请日：1999-09-08

申请人： Toshiaki Miyashiro ,  Takaaki Tsuruya

发明人： Toshiaki Miyashiro ,  Takaaki Tsuruya

IPC分类号： G03G1516

CPC分类号： G03G15/161 ,  G03G15/234 ,  G03G2215/0177

摘要： An image forming apparatus includes an intermediate transfer member, an image forming device for forming a toner image on the intermediate transfer member, a charging device for charging residual toner remaining on the intermediate transfer member after the toner image formed by the image forming device and located on the intermediate transfer member is electrostatically transferred onto a transfer material. The residual toner charged by the charging device and remaining on the intermediate transfer member is electrostatically transferred onto the image forming device. After the toner image is transferred from the intermediate transfer member to a first side of the transfer material, a toner image can be transferred from the intermediate transfer member to a second side of the transfer material opposite to the first side, and a control device for controlling voltage to be impressed to the charging device in dependence upon whether the toner image was transferred from the intermediate transfer member to the first side of the transfer material or the toner image was transferred from the intermediate transfer member to the second side of the transfer material.

摘要翻译： 图像形成装置包括中间转印部件，用于在中间转印部件上形成调色剂图像的图像形成装置，在由图像形成装置形成的调色剂图像之后，残留在中间转印部件上的残留调色剂进行充电的充电装置， 在中间转印部件上静电转印到转印材料上。 由充电装置充电并残留在中间转印部件上的残留调色剂被静电转印到图像形成装置上。 在将调色剂图像从中间转印部件转印到转印材料的第一侧之后，调色剂图像可以从中间转印部件转印到转印材料的与第一侧相反的第二侧，并且控制装置 根据调色剂图像是从中间转印部件转印到转印材料的第一侧还是将调色剂图像从中间转印部件转印到转印材料的第二侧，控制施加到充电装置的电压 。

公开(公告)号：US5995793A

公开(公告)日：1999-11-30

申请号：US965452

申请日：1997-11-06

申请人： Naoki Enomoto ,  Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro

发明人： Naoki Enomoto ,  Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro

IPC分类号： G03G15/01 ,  G03G15/00 ,  G03G15/16 ,  G03G15/14 ,  F16G1/14

CPC分类号： G03G15/162 ,  G03G2215/0177

摘要： An image forming apparatus includes an image bearing member for bearing a toner image; a movable intermediary transfer belt extended around a plurality of supporting shafts, the intermediary transfer belt includes a core member and elastic layers sandwiching the core member, wherein a toner image on the image bearing member is transferred onto the intermediary transfer belt, and the toner image on the intermediary transfer belt is transferred onto a transfer material; wherein a distance r (mm) between a center of such one of the supporting shafts as has a minimum diameter and a center of the core member, a distance L.sub.1 (mm) between the center of the core member and a surface of the intermediary transfer belt where toner image transfer occurs, a distance L.sub.2 (mm) between a surface Of the core member and the surface of the intermediary transfer belt where the toner image transfer occurs, and a size t (mm) of the core member measured in a direction perpendicular to a movement direction of the intermediary transfer belt, satisfy:L.sub.1 .ltoreq.0.1r, and0.5t.ltoreq.L.sub.2.A method for manufacturing the intermediary transfer belt is also a part of applicants improvement in the art to which the invention pertains.

摘要翻译： 图像形成装置包括用于承载调色剂图像的图像承载部件; 一个围绕多个支撑轴延伸的活动中间转印带，所述中间转印带包括芯部件和夹着所述芯部件的弹性层，其中所述图像承载部件上的调色剂图像被转印到所述中间转印带上，并且所述调色剂图像 将中间转印带转印到转印材料上; 其中所述支撑轴的中心之间的距离r（mm）具有最小直径和所述芯构件的中心，所述芯构件的中心与所述中间转印件的表面之间的距离L1（mm） 带子，其中发生调色剂图像转印，核心部件的表面与发生调色剂图像转印的中间转印带的表面之间的距离L2（mm）和芯部件在方向上测量的尺寸t（mm） 垂直于中间转印带的移动方向，满足：L1 <= 0.1r，和0.5t≤L2。 制造中间转印带的方法也是本发明所属领域的申请人改进的一部分。

公开(公告)号：US5249023A

公开(公告)日：1993-09-28

申请号：US832727

申请日：1992-02-07

申请人： Toshiaki Miyashiro ,  Tatsuya Kobayashi

发明人： Toshiaki Miyashiro ,  Tatsuya Kobayashi

IPC分类号： G03G15/01 ,  G03G15/16

CPC分类号： G03G15/167 ,  G03G15/0131 ,  G03G2215/018

摘要： An image forming apparatus includes a recording material carrying member for carrying a recording material; an image forming device for forming an image on a recording material carried on the recording material carrying member; an attraction member for electrostatically attracting the recording material on the recording material carrying member; and voltage applying source for applying an oscillating voltage to the attraction member.

摘要翻译： 图像形成装置包括用于承载记录材料的记录材料承载构件; 图像形成装置，用于在承载在记录材料承载构件上的记录材料上形成图像; 用于将记录材料静电吸引在记录材料承载构件上的吸引构件; 以及用于向吸引构件施加振荡电压的电压施加源。

公开(公告)号：US5214480A

公开(公告)日：1993-05-25

申请号：US946014

申请日：1992-09-15

申请人： Takao Aoki ,  Yujiro Ando ,  Shinkichi Takahashi ,  Eihiro Sakaki ,  Fumihiro Ueno ,  Toshiaki Miyashiro

发明人： Takao Aoki ,  Yujiro Ando ,  Shinkichi Takahashi ,  Eihiro Sakaki ,  Fumihiro Ueno ,  Toshiaki Miyashiro

IPC分类号： G03G15/00 ,  G03G15/16

CPC分类号： G03G15/6535 ,  G03G15/167 ,  G03G2215/0174 ,  G03G2215/1619

摘要： The present invention provides an image forming apparatus having, an image bearing member; an image forming device for forming an image on the image bearing member; a transfer sheet bearing device for bearing and conveying a transfer sheet, to which a first voltage is applied for transferring the image formed on the image bearing member onto the transfer sheet born by the transfer sheet bearing device; and a discharging device for causing the discharge in the transfer sheet when the transfer sheet is separated from the transfer sheet bearing device, to which a second voltage having the same polarity as that of the first voltage and having a value equal to 80%-120% of the first voltage is applied.

摘要翻译： 本发明提供一种图像形成装置，具有图像承载部件; 图像形成装置，用于在图像承载部件上形成图像; 用于承载和输送转印纸的转印纸张承载装置，施加第一电压以将形成在图像承载部件上的图像转印到由转印纸承载装置承载的转印纸上; 以及排出装置，当转印片与转印片承载装置分离时，使转印片中的排出物与第一电压具有相同极性的第二电压并具有等于80％-120的值 施加第一电压的％。

公开(公告)号：US20120147395A1

公开(公告)日：2012-06-14

申请号：US13307981

申请日：2011-11-30

申请人： Wataru Uchida ,  Tomoyuki Araki ,  Toshiaki Miyashiro ,  Mitsuhiro Ito ,  Taro Ishifune ,  Koji Nihonyanagi ,  Jun Asami ,  Keigo Akiya ,  Ryo Iwasawa ,  Jun Agata

发明人： Wataru Uchida ,  Tomoyuki Araki ,  Toshiaki Miyashiro ,  Mitsuhiro Ito ,  Taro Ishifune ,  Koji Nihonyanagi ,  Jun Asami ,  Keigo Akiya ,  Ryo Iwasawa ,  Jun Agata

IPC分类号： G06K15/02

CPC分类号： G03G15/5062 ,  B65H2301/4452 ,  B65H2301/44522 ,  B65H2511/13 ,  B65H2515/112 ,  G03G15/5029 ,  G03G15/6561 ,  G03G15/6567 ,  G03G2215/00721 ,  G03G2215/00738 ,  G03G2215/00742 ,  G03G2215/00751 ,  G03G2215/00755

摘要： A sheet interval, serving as the distance between conveyed recording materials, is properly controlled based on a kind of a recording material and any one of a printing ratio, an adhesion amount of toner, and the presence or absence of graphic data, thus allowing printing at throughput suitable for, for example, the kind of the recording material and the printing ratio without changing an image forming condition such that image quality does not vary.

摘要翻译： 基于记录材料的种类和打印比率，调色剂的附着量以及图形数据的存在或不存在，适当地控制用作传送的记录材料之间的距离的纸张间隔，从而允许打印 以适合于例如记录材料的种类和打印比率的量，而不改变图像形成条件，使得图像质量不变化。

公开(公告)号：US5946538A

公开(公告)日：1999-08-31

申请号：US960737

申请日：1997-10-30

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

IPC分类号： G03G21/14 ,  G03G15/01 ,  G03G15/16 ,  G03G15/14

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： An image forming apparatus includes an image bearing member for carrying toner images of different colors; a rotatable intermediary transfer member to which the toner images are superimposedly transferred from said image bearing member onto said intermediary transfer member at a first transfer position, wherein the toner images are then transferred all together from said intermediary transfer member onto the transfer material at a second transfer position; wherein said intermediary transfer member includes an elastic layer having a thickness of 0.5-2 (mm), a coating layer, on said elastic layer, having a volume resistivity which is larger than that of said elastic layer, and said intermediary transfer member satisfies:T.ltoreq..tau..ltoreq.500 (sec)where .tau. (sec) is time required for a potential V of said intermediary transfer member at one second after a surface of said intermediary transfer member charged to a predetermined potential rotates at a rotational speed of 10 (cm/s) to become V/e (e: base of natural logarithm, e=2.71828 . . . ); and T (sec) is a rotation period of said intermediary transfer member when the toner images on said image bearing member are sequentially and superimposedly transferred onto said intermediary transfer member at the first transfer position.

摘要翻译： 图像形成装置包括用于承载不同颜色的调色剂图像的图像承载部件; 可旋转的中间转印部件，其中调色剂图像在第一转印位置处从所述图像承载部件重叠地转印到所述中间转印部件上，其中所述调色剂图像然后在所述中间转印部件上一起从所述中间转印部件转印到转印材料上 转移位置 其特征在于，所述中间转印部件包括在所述弹性层上具有0.5-2（mm）厚度的弹性层，所述弹性层的体积电阻率大于所述弹性层的体积电阻率，所述中间转印部件满足： 其中tau（sec）是所述中间转印部件的电位V在被加载到预定电位的所述中间转印部件的表面以转速旋转后的一秒所需的时间 为10（cm / s）变为V / e（e：自然对数的基数，e = 2.71828 ...）; 并且当所述图像承载部件上的调色剂图像在第一转印位置依次重叠地转印到所述中间转印部件上时，T（秒）是所述中间转印部件的旋转周期。

公开(公告)号：US5596393A

公开(公告)日：1997-01-21

申请号：US172711

申请日：1993-12-27

申请人： Tatsuya Kobayashi ,  Hiroshi Sasame ,  Tetsuya Kobayashi ,  Toshiaki Miyashiro

发明人： Tatsuya Kobayashi ,  Hiroshi Sasame ,  Tetsuya Kobayashi ,  Toshiaki Miyashiro

IPC分类号： G03G15/01 ,  G03G15/02

CPC分类号： G03G15/0105 ,  G03G15/0216

摘要： An image forming apparatus includes image bearing member or members for bearing an image; charging member for sequentially charging a surface of the image bearing member or members to form an image thereon; a voltage source for applying an oscillating voltage to the charging member, the oscillating voltage including a first frequency and a second frequency which is different from the first frequency during charging by the charging member.

摘要翻译： 图像形成装置包括用于承载图像的图像承载部件或构件; 充电构件，用于顺序地对图像承载构件的表面充电以在其上形成图像; 用于向充电部件施加振荡电压的电压源，所述振荡电压包括在充电部件充电期间与所述第一频率不同的第一频率和第二频率。