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1. 发明授权

US06862016B2 Image displaying method and image forming apparatus utilizing a reversible image display medium having a high resolution image display 有权
标题翻译：图像显示方法和使用具有高分辨率图像显示的可逆图像显示介质的图像形成装置
公开(公告)号：US06862016B2
公开(公告)日：2005-03-01
申请号：US09987818
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 , G03G15/00 , G09G3/34
CPC分类号： G02F1/167 , G02F2001/1674 , 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颗粒，图像显示器，将电场强度例如为0.3V / mam至3.0V / mum施加到显影剂。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，可以施加交变电场以搅拌显影剂以初始化介质。

2. 发明授权

US06686940B2 Reversible image display medium 有权
标题翻译：可逆图像显示介质
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。

3. 发明申请

US20050179643A1 Image displaying method and image forming apparatus utilizing a reversible image display medium having a high resolution image display 审中-公开
标题翻译：图像显示方法和使用具有高分辨率图像显示的可逆图像显示介质的图像形成装置
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。

4. 发明授权

US06900789B2 Reversible image display medium 有权
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.

5. 发明授权

US07436379B2 Reversible image display medium 有权
标题翻译：可逆图像显示介质
公开(公告)号：US07436379B2
公开(公告)日：2008-10-14
申请号：US11129291
申请日：2005-05-16
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： 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.
摘要翻译：公开了可反复使用的可逆图像显示介质，并且可以显示高品质图像，其中两个基板之间的单元容纳含有至少两种具有不同可充电极性和不同光学反射浓度的可摩擦充电的干显影剂的干显影剂 ; 通过形成与要形成在两个基板中的一个基板上的图像相对应的静电潜像来显示图像，以基于静电潜像在静电场中驱动显影剂颗粒; 一个基板的面向显影剂的表面具有至少1×10 12欧姆/平方的表面电阻率; 相对基板的面向显影剂的表面具有1×10 6欧姆/平方至1×10 12欧姆/平方的表面电阻率; 一个基板的面向显影剂的表面的表面平均中值粗糙度Ra为0.2μm至0.5μm; 图像观察侧的基板的外表面的表面平均中值粗糙度Ra为0.2μm〜0.7μm。

6. 发明申请

US20050212748A1 Reversible image display medium 有权
标题翻译：可逆图像显示介质
公开(公告)号：US20050212748A1
公开(公告)日：2005-09-29
申请号：US11129291
申请日：2005-05-16
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.
摘要翻译：公开了可反复使用的可逆图像显示介质，并且可以显示高质量图像，其中两个基板之间的单元容纳含有至少两种具有不同可充电极性和不同光学反射浓度的可摩擦充电的干显影剂的干显影剂 ; 通过形成与要形成在两个基板中的一个基板上的图像相对应的静电潜像来显示图像，以基于静电潜像在静电场中驱动显影剂颗粒; 一个基板的面向显影剂的表面具有至少1×10 12欧姆/平方的表面电阻率; 相对基板的面向显影剂的表面具有1×10 6欧姆/平方至1×10 12欧姆/平方的表面电阻率; 一个基板的面向显影剂的表面的表面平均中值粗糙度Ra为0.2μm至0.5μm; 图像观察侧的基板的外表面的表面平均中值粗糙度Ra为0.2μm〜0.7μm。

7. 发明授权

US06515790B2 Reversible image display medium and image display method 有权
公开(公告)号：US06515790B2
公开(公告)日：2003-02-04
申请号：US09770648
申请日：2001-01-29
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： G02B2600
CPC分类号： G02F1/167 , G02F2001/1674
摘要： A reversible image display medium including two sheets; one or more developer accommodating cells formed between the two sheets, and each having a periphery surrounded by a partition wall; and dry developer contained in each of the cell(s), wherein the dry developer contains at least two kinds of frictionally chargeable dry developer particles having different chargeable polarities and different optical reflection densities. The image is displayed by forming a predetermined electrostatic field for each pixel in accordance with the image to be displayed and thereby moving the developer particles in a frictionally charged state. The image formed on the reversible image display medium can be erased, e.g., by an image erasing device.

8. 发明授权

US07239818B2 Image forming apparatus capable of forming images on rewritable and reversible display media 失效
标题翻译：能够在可重写和可逆显示介质上形成图像的图像形成装置
公开(公告)号：US07239818B2
公开(公告)日：2007-07-03
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.
摘要翻译：一种包括第一和第二图像形成部分的图像形成装置，以及用于检测图像显示介质的类型的装置，当介质类型是普通图像显示介质（PP）时允许的第一图像形成部分的图像形成;以及当介质类型是可逆图像显示介质（TP）时，被允许的第二图像形成部分的图像形成。包括第一和第二图像形成部分的另一图像形成装置和图像形成元件设置切换装置，以标准模式将图像形成元件设置为用于在标准模式的介质上形成图像的标准状态，并且被切换用于在用于非标准模式的介质上形成图像的非标准状态的非标准模式。

9. 发明授权

US06519424B2 Image forming apparatus 失效
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.

10. 发明申请

US20060133833A1 Image forming apparatus 失效
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.

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