公开(公告)号：US20050128531A1

公开(公告)日：2005-06-16

申请号：US11002867

申请日：2004-12-02

申请人： Denji Nota ,  Takaaki Shirai ,  Keyaki Yogome

发明人： Denji Nota ,  Takaaki Shirai ,  Keyaki Yogome

IPC分类号： G02F1/17 ,  G02F1/167 ,  G03F3/10 ,  G03G9/00 ,  G03G9/08 ,  H04N1/04

CPC分类号： G03G9/0823 ,  G03G9/00 ,  G03G9/0821 ,  G03G2215/0609

摘要： An image forming method and an image forming apparatus of forming an image on a reversible image display medium of dry developing particle moving type including substrates made of a nonconductive material. The medium is transported for forming an image on the medium while keeping the medium in uniform surface-contact with an electrostatic field applying member (e.g., a photosensitive drum carrying an electrostatic latent image) for image formation by a developing bias applying conductive member (e.g., conductive belt).

摘要翻译： 一种图像形成方法和图像形成装置，在包括由非导电材料制成的基板的干式显影粒子移动型的可逆图像显示介质上形成图像。 传送介质以在介质上形成图像，同时保持介质与静电场施加构件（例如，携带静电潜像的感光鼓）均匀地表面接触，用于通过施加导电构件的显影偏压（例如， ，导电带）。

公开(公告)号：US06686940B2

公开(公告)日：2004-02-03

申请号：US09987575

申请日：2001-11-15

申请人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

发明人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

IPC分类号： G02B117

CPC分类号： G02F1/167 ,  G03G15/6597

摘要： A reversible image display medium accommodates a dry developer in each cell formed between two substrates. The developer contains at least two kinds of frictionally chargeable dry developing particles having different chargeable polarities and different optical reflection densities. An image display can be achieved by forming an electrostatic latent image on one of the substrates to drive the developing particles in an electric field based on the electrostatic latent image. The developing particles are set to an average charge quantity of 1.0 &mgr;C/g to 10 &mgr;C/g to achieve good image display. Optionally at least one kind of the developing particles are magnetic developing particles having a coercive force of 50 oersteds to 250 oersteds, and optionally having an optical reflection density of 1.0 or more. An amount of small-size developing particles and/or an addition of a third component may be adjusted and volume average particle size ratio of developing particles may be controlled.

摘要翻译： 可逆图像显示介质容纳在两个基板之间形成的每个单元中的干显影剂。 显影剂含有至少两种具有不同可充电极性和不同光反射浓度的可摩擦充电的干显影剂。 可以通过在其中一个基板上形成静电潜像来基于静电潜像在电场中驱动显影颗粒来实现图像显示。 将显影颗粒设定为1.0μC/ g至10μC/ g的平均电荷量以获得良好的图像显示。 任选地，至少一种显影颗粒是具有50奥斯特至250奥斯特的矫顽力的磁性显影颗粒，并且可选地具有1.0或更大的光学反射浓度。 可以调节一定量的小尺寸显影颗粒和/或添加第三组分，并且可以控制显影颗粒的体积平均粒径比。

公开(公告)号：US06519424B2

公开(公告)日：2003-02-11

申请号：US09875288

申请日：2001-06-07

申请人： Masahiko Matsuura ,  Keyaki Yogome ,  Hidetoshi Miyamoto ,  Hiroshi Mizuno ,  Takaji Kurita

发明人： Masahiko Matsuura ,  Keyaki Yogome ,  Hidetoshi Miyamoto ,  Hiroshi Mizuno ,  Takaji Kurita

IPC分类号： G03G1500

CPC分类号： G03G15/221 ,  G03G15/04045 ,  G03G2215/00447 ,  G03G2215/00523 ,  G03G2215/00751

摘要： An image forming apparatus including a first image forming portion for forming an image on a normal image display medium; a second image forming portion for forming an image on a reversible image display medium; and a medium type detecting device for detecting the type of the image display medium to be subjected to the image formation, wherein the image forming portion corresponding to the image display medium of the type detected by the medium type detecting device is allowed to perform the image formation when the medium type detecting device detects the image display medium of the same type as that selected by an operator, and inhibition of the image formation on the medium of the detected type, image formation on the image display medium of another type or discharge of the medium of the detected type without image formation is performed when the detected type is different from the selected type.

公开(公告)号：US5998075A

公开(公告)日：1999-12-07

申请号：US335267

申请日：1999-06-17

申请人： Toshimitsu Fujiwara ,  Hidetoshi Miyamoto ,  Keyaki Yogome

发明人： Toshimitsu Fujiwara ,  Hidetoshi Miyamoto ,  Keyaki Yogome

IPC分类号： G03G9/125 ,  G03G9/12 ,  G03G9/135

CPC分类号： G03G9/125

摘要： The invention provides the following liquid developers (1)-(5). (1) A liquid developer including a carrier liquid having an aniline point of 80.degree. C. to 100.degree. C.; and at least one compound selected from among Color Index Pigment Yellow 180, Color Index Solvent Yellow 162 and derivatives of these. (2) A liquid developer including a carrier liquid having an aniline point of 80.degree. C. to 100.degree. C.; toner; and at least one compound selected from among salicylic acid metal salt and derivatives thereof. (3) A liquid developer including a carrier liquid having an aniline point of 80.degree. C. to 100.degree. C.; toner; and at least one compound selected from among borate-containing compound and derivatives thereof. (4) A liquid developer including a carrier liquid; at least one compound selected from among an oil-soluble ionic surfactant having alkyl group(s) of at least 20 carbon atoms, and a copolymer of a monomer having a nitrogen-containing group and a long-chain (meth)acrylate; and toner containing at least one compound selected from among Color Index Pigment Yellow 180, Color Index Solvent Yellow 162 and derivatives of these. (5) A liquid developer including a carrier liquid; and toner containing Color Index Pigment Yellow 180 and having volume average particle size of 0.5 .mu.m to 5 .mu.m.

摘要翻译： 本发明提供以下液体显影剂（1） - （5）。 （1）一种液体显影剂，其包含苯胺点为80℃至100℃的载体液体; 和选自颜色指数颜料黄180，颜色指数溶剂黄162中的至少一种化合物及其衍生物。 （2）一种液体显影剂，其包含苯胺点为80〜100℃的载液。 墨粉 和至少一种选自水杨酸金属盐及其衍生物的化合物。 （3）含有苯胺点为80〜100℃的载液的液体显影剂。 墨粉 和选自含硼酸盐的化合物及其衍生物中的至少一种化合物。 （4）一种液体显影剂，包括载体液体; 至少一种选自具有至少20个碳原子的烷基的油溶性离子表面活性剂和具有含氮基团的单体与长链（甲基）丙烯酸酯的共聚物的化合物; 和含有选自颜色指数颜料黄180，颜色指数溶剂黄162中的至少一种化合物的调色剂及其衍生物。 （5）一种液体显影剂，包括载体液体; 和含有颜色指数颜料黄180的调色剂，体积平均粒径为0.5μm至5μm。

公开(公告)号：US20060133833A1

公开(公告)日：2006-06-22

申请号：US10837761

申请日：2004-05-04

申请人： Masahiko Matsuura ,  Keyaki Yogome ,  Hidetoshi Miyamoto ,  Hiroshi Mizuno ,  Takaji Kurita

发明人： Masahiko Matsuura ,  Keyaki Yogome ,  Hidetoshi Miyamoto ,  Hiroshi Mizuno ,  Takaji Kurita

IPC分类号： G03G15/00

CPC分类号： G03G15/5029 ,  B41J3/4076 ,  B41J11/009 ,  G03G15/04045 ,  G03G15/221 ,  G03G15/6597 ,  G03G2215/00523 ,  G03G2215/00751

摘要： An image forming apparatus including first and second image forming portions, and a device for detecting a type of an image display medium, image formation by the first image forming portion being allowed when the medium type is a normal image display medium (PP), and image formation by the second image forming portion being allowed when the medium type is a reversible image display medium (TP). Another image forming apparatus including first and second image forming portions, and an image formation element setting switching device, image forming elements being set in a standard mode to a standard state for forming an image on a medium for the standard mode, and being switched in a non-standard mode to a non-standard state for forming an image on a medium for the non-standard mode.

公开(公告)号：US20050179643A1

公开(公告)日：2005-08-18

申请号：US11059650

申请日：2005-02-17

申请人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

发明人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

IPC分类号： G02F1/167 ,  G03G15/00 ,  G09G3/34

CPC分类号： G02F1/167 ,  G02F1/1671 ,  G03G15/6597

摘要： A method and apparatus capable of displaying a high-quality image using a reversible image display medium in which a cell(s) formed between two substrates accommodates at least two kinds of frictionally chargeable dry developing particles having different chargeable polarities and different optical reflection densities. in image display, an electric field strength of, e.g., 0.3 V/μm to 3.0 V/μm is applied to the developer. An oscillating force (e.g. oscillating magnetic filed) is applicable and the oscillating force is substantially stopped during application of the electrostatic field. After completion of the electrostatic field, the surface of the medium on the image observation side may be charged to a potential holding the displayed image. Optionally before image display, an alternating electric field may be applied to stir the developer for initialization of the medium.

摘要翻译： 一种能够使用可逆图像显示介质显示高质量图像的方法和装置，其中形成在两个基板之间的单元容纳具有不同可充电极性和不同光学反射浓度的至少两种可摩擦带电的干显影剂颗粒。 在图像显示中，对显影剂施加例如0.3V / m至3.0V / m的电场强度。 可应用振荡力（例如振荡磁场），并且在施加静电场期间基本上停止振荡力。 在静电场完成之后，图像观察侧的介质的表面可以被充电到保持显示图像的电位。 可选地，在图像显示之前，可以施加交变电场来搅拌显影剂以初始化介质。

公开(公告)号：US06900789B2

公开(公告)日：2005-05-31

申请号：US09987842

申请日：2001-11-16

申请人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

发明人： Masahiko Matsuura ,  Hiroshi Mizuno ,  Akihito Ikegawa ,  Masaharu Kanazawa ,  Keyaki Yogome ,  Takaji Kurita

IPC分类号： G02F1/167 ,  G09G3/34

CPC分类号： G02F1/167 ,  G02F2001/1674 ,  G09G3/344

摘要： Disclosed is a reversible image display medium which can be repeatedly used and can display high quality images, in which cells between the two substrates accommodate a dry developer containing at least two kinds of frictionally chargeable dry developing particles having different chargeable polarities and different optical reflection densities; images are displayed by forming an electrostatic latent image corresponding to the image to be formed on one of the two substrates to drive the developing particles in an electrostatic field based on the electrostatic latent image; a developer-facing surface of one of the substrates has a surface resistivity of at least 1×1012 ohm/square; a developer-facing surface of the opposite substrate has a surface resistivity from 1×106 ohm/square to 1×1012 ohm/square; a developer-facing surface of one of the substrates has a surface average median roughness Ra of 0.2 μm to 0.5 μm; and an external surface of the substrate on image observation side has a surface average median roughness Ra of 0.2 μm to 0.7 μm.

公开(公告)号：US06774879B2

公开(公告)日：2004-08-10

申请号：US09875959

申请日：2001-06-08

申请人： Hidetoshi Miyamoto ,  Keyaki Yogome ,  Masahiko Matsuura ,  Hiroshi Mizuno ,  Takaji Kurita

发明人： Hidetoshi Miyamoto ,  Keyaki Yogome ,  Masahiko Matsuura ,  Hiroshi Mizuno ,  Takaji Kurita

IPC分类号： G09G334

CPC分类号： G02F1/167

摘要： This invention provides a reversible image display medium comprising two substrates opposed to each other with a predetermined gap therebetween, one or more developer-accommodating cells formed between the two substrates, and a dry developer accommodated in each cell, in which the dry developer contains at least two kinds of frictionally chargeable dry developer particles having different chargeable polarities and different optical reflection densities, the reversible image display medium having at least any of the following features: (1) at least one kind of the developer particles being magnetic particles containing a binder resin having a magnetic substance incorporated therein, the magnetic particles having a saturation magnetization degree in the range of 20 emu/g to 50 emu/g; (2) at least one kind of the dry developer particles has a volume resistivity &rgr; in the range of 1.0×1010 &OHgr;·cm to 1.0×1014 &OHgr;·cm; (3) the dry developer contains inorganic fine powder as a fluidization agent, the inorganic fine powder having a BET specific surface area of 80 m2/g to 300 m2/g; and (4) the dry developer is accommodated in the cell in an amount of 20 vol. % to 50 vol. % based on the volume of the cell.

摘要翻译： 本发明提供一种可逆图像显示介质，其包括彼此相对的两个基板，其间具有预定的间隙，在两个基板之间形成一个或多个显影剂容纳单元，以及容纳在每个单元中的干显影剂，其中干显影剂包含在 至少两种可摩擦带电的干显影剂颗粒具有不同的可充电极性和不同的光学反射浓度，可逆图像显示介质具有以下特征中的至少一个：（1）至少一种显影剂颗粒是含有粘合剂的磁性颗粒 具有掺入其中的磁性物质的树脂，所述磁性颗粒的饱和磁化度在20emu / g至50emu / g的范围内;（2）至少一种所述干燥显影剂颗粒的体积电阻率rho在所述范围内 为1.0×10 10Ω·cm〜1.0×10 14Ω·cm;（3）干显影剂含有无机细粉末作为流化 所述无机细粉末的BET比表面积为80m 2 / g〜300m 2 / g， 和（4）将干燥的显影剂以20体积的量容纳在电池中。 ％至50体积 基于单元的体积％。

公开(公告)号：US06529704B1

公开(公告)日：2003-03-04

申请号：US09660203

申请日：2000-09-12

申请人： Takaji Kurita ,  Hiroshi Mizuno ,  Masahiko Matsuura ,  Hidetoshi Miyamoto ,  Keyaki Yogome

发明人： Takaji Kurita ,  Hiroshi Mizuno ,  Masahiko Matsuura ,  Hidetoshi Miyamoto ,  Keyaki Yogome

IPC分类号： G03G1500

CPC分类号： B82Y15/00 ,  G03G15/6594 ,  G03G2215/00523

摘要： A toner is formed on an image receiving sheet S. The image receiving sheet S has an irregular surface s2′ provided with continuous groove-like concavities R for accommodating toner. The toner T is removably adhered to the concavities R of the image receiving sheet irregular surface s2′ for forming the toner image. Ridges P extending along the continuous groove-like concavities R protect the toner T adhered to the concavities R. The toner image formation surface may be covered with a peelable protective sheet CF (CF′). When the image receiving sheet S carrying the toner image is to be reused, the toner is separated and removed from the image receiving sheet, and the image receiving sheet and/or the toner after removal of the toner are reused.

摘要翻译： 在图像接收片材S上形成调色剂。图像接收片材S具有不规则表面s2'，其具有用于容纳调色剂的连续的凹槽状凹部R. 调色剂T可移除地粘附到用于形成调色剂图像的图像接收片不规则表面s2'的凹部R. 沿着连续的凹槽状凹部R延伸的脊P保护粘附到凹面R上的调色剂T.调色剂图像形成表面可以用可剥离的保护片CF（CF'）覆盖。 当携带调色剂图像的图像接收纸S被重新使用时，将调色剂从图像接收片材中分离并除去，并且再次使用除去调色剂之后的图像接收片和/或调色剂。

公开(公告)号：US6136493A

公开(公告)日：2000-10-24

申请号：US376013

申请日：1999-08-18

申请人： Toshimitsu Fujiwara ,  Hidetoshi Miyamoto ,  Keyaki Yogome

发明人： Toshimitsu Fujiwara ,  Hidetoshi Miyamoto ,  Keyaki Yogome

IPC分类号： G03G9/12 ,  G03G9/135 ,  G03G13/10 ,  G03G15/10

CPC分类号： G03G9/1355 ,  G03G9/12 ,  G03G9/135

摘要： A liquid developer set formed of a liquid developer used for developing an electrostatic latent image and containing a carrier liquid, a charge director and toner, a first liquid, which is obtained by removing a solid component from the liquid developer, having a charge director concentration C1 and a conductivity E1; a concentrated liquid developer containing the carrier liquid, the charge director and the toner in a higher concentration than the toner concentration of the liquid developer, a second liquid, which is obtained by removing a solid component from the concentrated liquid developer, having a charge director concentration C2 and a conductivity E2 substantially equal to the concentration C1 and the conductivity E1, respectively; and a diluent containing the carrier liquid and the charge director, and having a charge director concentration C3 and a conductivity E3 substantially equal to the concentration C1 and the conductivity E1, respectively. The concentrated liquid developer, the diluent and a method of manufacturing the diluent.

摘要翻译： 由用于显影静电潜像并含有载体液体，电荷导向剂和调色剂的液体显影剂形成的液体显影剂组，通过从液体显影剂中除去固体组分而获得的第一液体，其具有电荷导向剂浓度 C1和电导率E1; 含有比液体显影剂的调色剂浓度高的浓度的载体液体，电荷导向剂和调色剂的浓缩液体显影剂，通过从浓缩液体显影剂中除去固体组分而获得的第二种液体，其具有电荷导向剂 浓度C2和基本上等于浓度C1和电导率E1的电导率E2; 和含有载液和电荷导向剂的稀释剂，分别具有基本上等于浓度C1和电导率E1的电荷导向剂浓度C3和电导率E3。 浓缩液体显影剂，稀释剂和稀释剂的制造方法。