公开(公告)号：US06330412B1

公开(公告)日：2001-12-11

申请号：US09595975

申请日：2000-06-16

申请人： Koji Yamazaki ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Ohwaki

发明人： Koji Yamazaki ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Ohwaki

IPC分类号： G03G1500

CPC分类号： H04N1/0614 ,  H04N1/0607

摘要： The present invention relates to an electrophotographic apparatus in which maximum potential difference &Dgr;VD (volt) in a potential of a dark portion of the electrostatic image in the longitudinal direction, maximum potential difference &Dgr;VL in a potential of a light portion of the electrostatic image in the longitudinal direction, a value a (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference &Dgr;VD) and a value b (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference &Dgr;VL) satisfy a relation: 0.3≦a×&Dgr;VD+b×&Dgr;VL≦0.3 in which 100≧|&Dgr;VD|≧20 and 100≧|&Dgr;VL|≧20.

摘要翻译： 本发明涉及一种电子照相设备，其中静电图像在纵向上的暗部的电位中的最大电位差DELTAVD（伏特），静电图像的光部分的电位中的最大电位差DELTAVL 纵向方向，由（通过用显影装置显影光部分形成的图像中的（密度变化量，在纵向上的变化量）/（最大电位差DELTAVD））表示的值a（1 /伏特）和值b （最大电位差DELTAVL）/（最大电位差DELTAVL）表示的（由密度的变化量，纵向的变化量，通过用显影装置显影的光部分形成的图像）​​表示的（1 /伏）满足关系：其中100> = | DELTAVD |> = 20和100> = | DELTAVL |> = 20。

公开(公告)号：US5983043A

公开(公告)日：1999-11-09

申请号：US218628

申请日：1998-12-22

申请人： Hironori Ohwaki ,  Koji Yamazaki ,  Toshiyuki Ehara ,  Masaya Kawada ,  Takaaki Kaya ,  Tetsuya Karaki

发明人： Hironori Ohwaki ,  Koji Yamazaki ,  Toshiyuki Ehara ,  Masaya Kawada ,  Takaaki Kaya ,  Tetsuya Karaki

IPC分类号： G01R29/12 ,  G03G15/00 ,  G03G21/00

CPC分类号： G03G15/5037 ,  G01R29/12

摘要： In a surface potential measuring apparatus for measuring a potential configuration by moving a photosensitive body of an image forming apparatus of electrophotographic type and at least one potential sensor relative to each other and by generating dielectric current in the potential sensor due to change in potential on a surface of the photosensitive body and by analyzing the dielectric current, a width of a detecting portion of the potential sensor is smaller than a width of the change in potential to be measured, and a sectional shape of the detecting portion in a plane perpendicular to the surface of the photosensitive body and parallel to the relative movement direction does not include any edge.

摘要翻译： 在表面电位测量装置中，用于通过使电子照相类型的图像形成装置的感光体和至少一个电位传感器相对于彼此移动并且通过在电位传感器中产生电介质电流来测量电位结构， 感光体的表面，并且通过分析电介质电流，电位传感器的检测部分的宽度小于待测电位变化的宽度，并且检测部分在垂直于感光体的平面中的截面形状 感光体的表面并且平行于相对运动方向不包括任何边缘。

公开(公告)号：US20120003580A1

公开(公告)日：2012-01-05

申请号：US13175156

申请日：2011-07-01

申请人： Masayuki Hama ,  Masaya Kawada ,  Masaharu Miura

发明人： Masayuki Hama ,  Masaya Kawada ,  Masaharu Miura

IPC分类号： G03G13/22

CPC分类号： G03G5/005 ,  G03G9/09708 ,  G03G15/751

摘要： Provided is an image forming method in which hydrophobized calcium carbonate particles having a number average particle diameter of 30 to 300 nm and hydrophobized strontium titanate particles having a number average particle diameter of 30 to 300 nm are applied to the surface of an image bearing member.

摘要翻译： 提供了一种图像形成方法，其中数均粒径为30至300nm的疏水化碳酸钙颗粒和数均粒径为30至300nm的疏水化钛酸锶颗粒施加到图像承载部件的表面。

公开(公告)号：US06636715B2

公开(公告)日：2003-10-21

申请号：US09861579

申请日：2001-05-22

申请人： Kunimasa Kawamura ,  Koji Yamazaki ,  Toshiyuki Ehara ,  Masaya Kawada ,  Tetsuya Karaki ,  Hironori Owaki

发明人： Kunimasa Kawamura ,  Koji Yamazaki ,  Toshiyuki Ehara ,  Masaya Kawada ,  Tetsuya Karaki ,  Hironori Owaki

IPC分类号： G03G1502

CPC分类号： G03G5/08221 ,  G03G5/08214 ,  G03G5/08228 ,  G03G5/08235 ,  G03G5/0825 ,  G03G5/147 ,  G03G5/14704

摘要： To provide an amorphous Si photosensitive member and an image forming apparatus which form favorable images by preventing toner adhesion at a cleaning time. A photoconductive layer 102 containing amorphous Si is formed on an electrically conductive substrate 101 so that a surface of a photosensitive member has an average inclination &Dgr;a within a range of 0.12 to 1.0, more preferably 0.15 to 0.8 within a range of 10 &mgr;m×10 &mgr;m, and an electrically conductive substrate has surface roughness Ra within the range of 10 &mgr;m×10 &mgr;m is lower than 9 nm, preferably lower than 6 nm.

摘要翻译： 提供非晶硅感光构件和通过在清洁时间防止调色剂附着而形成有利图像的图像形成装置。 在导电基板101上形成含有非晶Si的光电导层102，使得感光部件的表面的平均倾斜度Δa在10mum×10 m的范围内在0.12〜1.0的范围内，更优选在0.15〜0.8的范围内， 导电性基板的表面粗糙度Ra在10mum×10um的范围内低于9nm，优选低于6nm。

公开(公告)号：US06605405B2

公开(公告)日：2003-08-12

申请号：US09911611

申请日：2001-07-25

申请人： Hironori Owaki ,  Toshiyuki Ehara ,  Yuji Nakayama ,  Masaya Kawada ,  Takaaki Kaya ,  Tetsuya Karaki

发明人： Hironori Owaki ,  Toshiyuki Ehara ,  Yuji Nakayama ,  Masaya Kawada ,  Takaaki Kaya ,  Tetsuya Karaki

IPC分类号： G03G1302

CPC分类号： G03G13/04 ,  G03G5/08214 ,  G03G21/08

摘要： Provided are an electrophotographic method and an electrophotographic apparatus that can reduce ghost memory latent in an a-Si photosensitive member, relieve potential unevenness, and provide image copies with high quality. In an electrophotographic process of forming a toner image at least through decharging of a photosensitive member as a recording element, charging, exposing, developing, and transferring, at least a light-receiving layer of the photosensitive member is comprised of an amorphous material; a latent image is formed by the exposing with a light; the light has such a peak wavelength in an emission spectrum as to make minimum a value of optical memory at a unit contrast potential; and the decharging is implemented by use of a light having a full width at half maximum of a peak in an emission spectrum of not more than 50 nm.

摘要翻译： 提供了一种电子照相方法和电子照相设备，其可以减少a-Si感光构件中潜在的重影记忆，减轻潜在的不均匀性，并提供高质量的图像拷贝。 在至少通过对作为记录元件的感光构件进行充电的充电，曝光，显影和转印的至少形成调色剂图像的电子照相方法中，至少感光构件的光接收层由非晶材料构成; 通过用光曝光形成潜像; 光在发射光谱中具有这样的峰值波长，以使单位对比度电位下的光学存储器的值最小化; 通过使用不大于50nm的发射光谱中的峰的半峰全宽的光来进行放电。

公开(公告)号：US06586149B2

公开(公告)日：2003-07-01

申请号：US09808959

申请日：2001-03-16

申请人： Kunimasa Kawamura ,  Shigenori Ueda ,  Toshiyuki Ehara ,  Junichiro Hashizume ,  Ryuji Okamura ,  Masaya Kawada ,  Tetsuya Karaki ,  Hironori Ohwaki

发明人： Kunimasa Kawamura ,  Shigenori Ueda ,  Toshiyuki Ehara ,  Junichiro Hashizume ,  Ryuji Okamura ,  Masaya Kawada ,  Tetsuya Karaki ,  Hironori Ohwaki

IPC分类号： G03G514

CPC分类号： G03G5/10 ,  G03G5/08221 ,  G03G5/14 ,  G03G5/147 ,  G03G5/14704

摘要： A light-receiving member comprising a conductive substrate, and formed superposingly thereon a photosensitive layer and a surface protective layer in order. The light-receiving member has a surface roughness Ra of from 15 nm to 100 nm. Also disclosed is an image-forming apparatus having such a light-receiving member, and an image-forming method of rendering visible an electrostatic pattern formed on the light-receiving member. The light-receiving member promises stable formation of images over a long period of time.

摘要翻译： 一种光接收元件，包括导电基底，并且依次叠加形成感光层和表面保护层。 光接收部件的表面粗糙度Ra为15nm〜100nm。 还公开了一种具有这种光接收元件的图像形成设备，以及使在光接收元件上形成的静电图案可见的图像形成方法。 光接收部件能够长时间稳定地形成图像。

公开(公告)号：US06272301B1

公开(公告)日：2001-08-07

申请号：US09401772

申请日：1999-09-22

申请人： Masaya Kawada ,  Toshiyuki Ehara ,  Harumi Ishiyama

发明人： Masaya Kawada ,  Toshiyuki Ehara ,  Harumi Ishiyama

IPC分类号： G03G2100

CPC分类号： G03G21/0058 ,  G03G15/0233

摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developing device for developing the electrostatic image on the image bearing member with toner into a toner image; a transfer device for transferring the toner image onto a transfer material; a charging and cleaning device for removing residual toner after image transfer from the image bearing member and for charging the image bearing member; wherein the charging and cleaning device includes a rotatable member which has an electroconductive foam for retaining electroconductive particles and which is rotatable while rubbing the image bearing member.

摘要翻译： 图像形成装置包括用于承载静电图像的图像承载部件; 用于将具有调色剂的图像承载部件上的静电图像显影成调色剂图像的显影装置; 用于将调色剂图像转印到转印材料上的转印装置; 充电和清洁装置，用于从图像承载部件图像转印后去除残留调色剂，并对图像承载部件充电; 其中所述充电和清洁装置包括可旋转构件，所述可旋转构件具有用于保持导电颗粒的导电泡沫体，并且可摩擦所述图像承载构件。

公开(公告)号：US06226479B1

公开(公告)日：2001-05-01

申请号：US09391047

申请日：1999-09-16

申请人： Tetsuya Karaki ,  Yuji Nakayama ,  Masaya Kawada ,  Takaaki Kaya

发明人： Tetsuya Karaki ,  Yuji Nakayama ,  Masaya Kawada ,  Takaaki Kaya

IPC分类号： G03G1500

CPC分类号： G03G5/08221 ,  G03G5/02 ,  G03G5/10 ,  G03G5/14

摘要： An electrophotographic amorphous silicon photosensitive member is used for an electrophotographic apparatus that forms images by the electrophotographic method, and an image forming apparatus uses this photosensitive member, which includes a drum-shaped cylindrical conductive substrate, and a photosensitive layer that contains amorphous silicon, thus structuring an electrophotographic photosensitive drum. Then, the outer diameter of this photosensitive drum is configured to be gradually smaller from the vicinity of the central portion thereof in the generatrix direction to both ends in the longitudinal direction, hence making it possible to enhance the cleaning effect on residual toner.

摘要翻译： 电子照相非晶硅感光构件用于通过电子照相方法形成图像的电子照相设备，并且图像形成装置使用该感光构件，其包括鼓形圆柱形导电衬底和包含非晶硅的感光层，因此 构造电子照相感光鼓。 然后，该感光鼓的外径被构造成从其母线方向的中心部分的附近到长度方向的两端逐渐变小，因此可以提高对残留调色剂的清洁效果。

公开(公告)号：US06169868A

公开(公告)日：2001-01-02

申请号：US09407992

申请日：1999-09-29

申请人： Koji Yamazaki ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Ohwaki

发明人： Koji Yamazaki ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Ohwaki

IPC分类号： G03G1500

CPC分类号： H04N1/0614 ,  H04N1/0607

摘要： The present invention relates to an electrophotographic apparatus in which maximum potential difference &Dgr;VD (volt) in a potential of a dark portion of the electrostatic image in the longitudinal direction, maximum potential difference &Dgr;VL in a potential of a light portion of the electrostatic image in the longitudinal direction, a value a (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference &Dgr;VD) and a value b (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference &Dgr;VL) satisfy a relation: 0.3≦a×&Dgr;VD+b×&Dgr;VL≦0.3 in which 100≧|&Dgr;VD|≧20 and 100≧|&Dgr;VL|≧20.

公开(公告)号：US6122467A

公开(公告)日：2000-09-19

申请号：US310986

申请日：1999-05-13

申请人： Toshiyuki Ehara ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Owaki

发明人： Toshiyuki Ehara ,  Yuji Nakayama ,  Masaya Kawada ,  Hironori Owaki

IPC分类号： G03G5/082 ,  G03G5/10 ,  G03G15/00

CPC分类号： G03G15/751 ,  G03G5/08221 ,  G03G5/08278 ,  G03G5/10 ,  G03G5/102 ,  G03G5/104

摘要： In order to reduce the cost of a photosensitive member and to prevent the fluctuation in image density and the image smear by highly precise temperature control, the image forming apparatus of the present invention includes: a cylindrical photosensitive member with a conductive substrate having a thickness not smaller than 0.1 mm and smaller than 2.5 mm, and a light-receiving layer having a photoconductive layer on the conductive substrate, the light-receiving layer containing at least amorphous silicon; and a charging device for charging the photosensitive member, wherein the photoconductive layer has a thickness not smaller than 5 .mu.m and smaller than 20 .mu.m, and wherein the charging device is a device for contacting a charging member with the surface of the photosensitive member and applying a voltage to the charging member to charge the photosensitive member.

摘要翻译： 为了降低光敏元件的成本并且通过高精度的温度控制来防止图像浓度和图像玷污的波动，本发明的图像形成装置包括：具有不厚度的导电基底的圆柱形感光元件 小于0.1mm且小于2.5mm的光接收层和在导电基板上具有光电导层的光接收层，所述光接收层至少含有非晶硅; 以及用于对感光构件充电的充电装置，其中光电导层具有不小于5微米且小于20微米的厚度，并且其中充电装置是用于使充电构件与感光构件的表面接触的装置 以及向所述充电部件施加电压以对所述感光部件充电。