公开(公告)号：US06226487B1

公开(公告)日：2001-05-01

申请号：US09388357

申请日：1999-09-01

申请人： Takayuki Yamashita ,  Tsukasa Matsuda ,  Yuichi Fukuda ,  Tetsuo Yamada

发明人： Takayuki Yamashita ,  Tsukasa Matsuda ,  Yuichi Fukuda ,  Tetsuo Yamada

IPC分类号： G03G1516

CPC分类号： G03G15/167 ,  G03G15/2064 ,  G03G2215/0119 ,  G03G2215/1685 ,  G03G2215/2074

摘要： The present invention provides an image forming apparatus which adopts a simultaneous transfer and fixing method and is capable of obtaining a high-grade image which has high luster, a favorable balance of color and an excellent transparency. In an image forming apparatus provided with a transfer and fixing device which includes a heating roller and a pressure roller for transferring and fixing a toner image on an intermediate transfer body to a recording medium, the transferring and fixing operation is carried out using the heating roller and the pressure roller under a condition that the ratio a/b between the length a of a nip region N of the heating roller and the pressure roller in a direction A at the central portion of these rollers extending in a roller axial direction and the length b of the nip region N in the direction A at both ends of these rollers extending in the roller axial direction is set to be more than 0.8.

摘要翻译： 本发明提供了一种图像形成装置，其采用同时传送和固定方法，并且能够获得具有高光泽，良好的色彩平衡和优异的透明度的高级图像。 在设置有转印和定影装置的图像形成装置中，该转印和定影装置包括加热辊和用于将中间转印体上的调色剂图像转印和定影到记录介质的加压辊，转印和定影操作使用加热辊 加压辊的加压辊的辊压区域N的长度a与加压辊之间的比a / b在这些辊的中心部分沿辊轴方向延伸的长度和长度 在辊轴方向延伸的这些辊的两端的方向A上的辊隙区域N的b设定为大于0.8。

公开(公告)号：US20110067947A1

公开(公告)日：2011-03-24

申请号：US12919995

申请日：2009-02-26

申请人： Takuya Yamamura ,  Yuichi Fukuda ,  Nobuhiko Yoshimoto ,  Yukiya Kashimura

发明人： Takuya Yamamura ,  Yuichi Fukuda ,  Nobuhiko Yoshimoto ,  Yukiya Kashimura

IPC分类号： B62D5/04 ,  G01L1/12 ,  H01F41/22

CPC分类号： G01L3/102 ,  B62D6/10 ,  G01L3/103 ,  G01L3/105 ,  Y10T29/49007 ,  Y10T29/4902

摘要： A magnestostrictive torque sensor 10 detects rotating torque applied to a rod-shaped rotating shaft 11 to work around the rotating shaft based on a change in magnetic characteristics of a magnetostrictive film formed on a surface the rotating shaft so as to extend around a full circumference thereof in a circumferential direction. The magnetostrictive film 14 is formed continuously in an axial direction at a portion on the rotating shaft in the axial direction thereof. The magnetostrictive film 14 has on the continuously formed area a first magnetostrictive film portion 14A and a second magnetostrictive film portion 14B having magnetic anisotropies which are opposite to each other and a third magnetostrictive film portion 14C which is formed between the first and second magnetostrictive film portions. A first detection coil 13A, a second detection coil 13B and a third detection coil 13C are provided for the first magnetostrictive film portion, the second magnetostrictive film portion and the third magnetostrictive film portion, respectively.

摘要翻译： 磁致伸缩扭矩传感器10基于在旋转轴的表面上形成的磁致伸缩膜的磁特性的变化来检测施加到杆状旋转轴11的旋转扭矩，以绕其旋转轴工作，以围绕其整个圆周延伸 在圆周方向。 磁致伸缩膜14沿轴向连续地形成在旋转轴的轴向部分上。 磁致伸缩膜14在连续形成区域上具有第一磁致伸缩膜部分14A和具有彼此相对的磁各向异性的第二磁致伸缩膜部分14B和形成在第一和第二磁致伸缩膜部分之间的第三磁致伸缩膜部分14C 。 分别为第一磁致伸缩膜部分，第二磁致伸缩膜部分和第三磁致伸缩膜部分提供第一检测线圈13A，第二检测线圈13B和第三检测线圈13C。

公开(公告)号：US20100054831A1

公开(公告)日：2010-03-04

申请号：US12370250

申请日：2009-02-12

申请人： Makoto Sakanobe ,  Hiroaki Akamatsu ,  Yuichi Fukuda ,  Ryosuke Takahashi

发明人： Makoto Sakanobe ,  Hiroaki Akamatsu ,  Yuichi Fukuda ,  Ryosuke Takahashi

IPC分类号： G03G21/00

CPC分类号： G03G21/0029

摘要： A cleaning member includes a cleaning part whose one end portion comes into contact with a surface of an image carrier, and a supporting part that supports the cleaning part and applies a force for pressing the one end portion of the cleaning part to the surface of the image carrier, wherein a surface of a first portion including the one end portion of the cleaning part is bonded to the supporting part with a first adhesive layer, and a surface of a second portion including the other end portion opposite to the one end portion of the cleaning part is bonded to the supporting part with a second adhesive layer having a Type-A durometer hardness which is lower than that of the first adhesive layer.

摘要翻译： 清洁构件包括其一个端部与图像载体的表面接触的清洁部分和支撑部分，其支撑清洁部分并且施加用于将清洁部分的一个端部按压到所述清洁部分的表面的力 图像载体，其中包括所述清洁部分的所述一个端部的第一部分的表面与第一粘合剂层接合到所述支撑部分，并且所述第二部分的表面包括与所述第一粘合剂层的所述一个端部相对的另一个端部 清洁部分用具有低于第一粘合剂层的A型硬度计硬度的第二粘合剂层结合到支撑部分。

公开(公告)号：US07661324B2

公开(公告)日：2010-02-16

申请号：US12143588

申请日：2008-06-20

申请人： Hitoshi Harata ,  Yuichi Fukuda ,  Yukiya Kashimura ,  Mizuho Doi

发明人： Hitoshi Harata ,  Yuichi Fukuda ,  Yukiya Kashimura ,  Mizuho Doi

IPC分类号： G01L3/00

CPC分类号： G01L3/102 ,  G01L3/105

摘要： This magnetostrictive torque sensor 10 includes a rotating shaft 11 used to rotate according to an input torque and provided with magnetostrictive films 14A and 14B, an excitation coil 12 configured to apply an alternating magnetic field 31 to the magnetostrictive film, and detection coils 13A and 13B each of which detects a change in the magnetic characteristic of an associated one of the magnetostrictive films. The magnetostrictive torque sensor is configured so that a bias magnetic field is added to the alternating magnetic field from a bias power supply 17 so as to satisfy the following conditions: Hm −Hin>−Hn where Hm (>0) is an applied magnetic field corresponding to a maximum magnetic permeability obtained according to a magnetic hysteresis curve 34 of the magnetostrictive film, which shows magnetization caused by the alternating magnetic field, Hn (>0) is an applied magnetic field corresponding to an end of a range in which a discontinuous magnetization is performed, and Hin (>0) is an applied magnetic field that determines a sensitivity range to be set on a magnetostrictive sensitivity curve representing a magnetostrictive sensitivity exhibited by the magnetostrictive film.

摘要翻译： 该磁致伸缩转矩传感器10包括用于根据输入转矩旋转并设置有磁致伸缩膜14A和14B的旋转轴11，被配置为向磁致伸缩膜施加交变磁场31的励磁线圈12以及检测线圈13A和13B 其中的每一个检测相关联的一个磁致伸缩膜的磁特性的变化。 磁致伸缩扭矩传感器被构造成使得偏置磁场从偏置电源17添加到交变磁场，以满足以下条件：Hm -Hm> -Hin> -Hn其中Hm（> 0）是 对应于根据磁致伸缩膜的磁滞曲线34获得的最大磁导率的施加磁场，其显示由交变磁场引起的磁化，Hn（> 0）是对应于范围的末端的施加磁场 其中执行不连续磁化，并且Hin（> 0）是施加的磁场，其确定将在由磁致伸缩膜表现的磁致伸缩灵敏度表示的磁致伸缩灵敏度曲线上设定的灵敏度范围。

公开(公告)号：US07621368B2

公开(公告)日：2009-11-24

申请号：US11983153

申请日：2007-11-07

申请人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

发明人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

IPC分类号： G01L3/02

CPC分类号： G01L3/102 ,  G01L3/103 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4902 ,  Y10T29/49078 ,  Y10T29/49224

摘要： For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive-coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral surface of the rotational shaft and securing the masking jig to the outer peripheral surface, a step of placing the rotational shaft in a plating tank to thereby form the magnetostrictive coat by plating on the outer peripheral surface, and a step of detaching the masking jig from the rotational shaft.

摘要翻译： 为了在与磁致伸缩扭矩传感器相关联的旋转轴的外周表面上形成环形磁致伸缩涂层，磁致伸缩涂层形成方法包括将圆柱形掩模夹具安装在旋转轴的外周表面上并确保掩模 夹具到外周面，将旋转轴放置在镀槽中，由此通过在外周面上电镀形成磁致伸缩涂层的步骤，以及将掩模夹具从旋转轴上分离的步骤。

公开(公告)号：US20080257635A1

公开(公告)日：2008-10-23

申请号：US11983153

申请日：2007-11-07

申请人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

发明人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

IPC分类号： B62D5/04

CPC分类号： G01L3/102 ,  G01L3/103 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4902 ,  Y10T29/49078 ,  Y10T29/49224

摘要： For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive-coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral surface of the rotational shaft and securing the masking jig to the outer peripheral surface, a step of placing the rotational shaft in a plating tank to thereby form the magnetostrictive coat by plating on the outer peripheral surface, and a step of detaching the masking jig from the rotational shaft.

公开(公告)号：US07310870B2

公开(公告)日：2007-12-25

申请号：US10844824

申请日：2004-05-12

申请人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

发明人： Yasuo Shimizu ,  Yoshito Nakamura ,  Shunichiro Sueyoshi ,  Nobuhiko Yoshimoto ,  Koji Kobayashi ,  Yuichi Fukuda ,  Mizuho Doi ,  Hitoshi Harada ,  Tomohiro Hoshi

IPC分类号： H04R31/00

CPC分类号： G01L3/102 ,  G01L3/103 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4902 ,  Y10T29/49078 ,  Y10T29/49224

摘要： For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive-coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral surface of the rotational shaft and securing the masking jig to the outer peripheral surface, a step of placing the rotational shaft in a plating tank to thereby form the magnetostrictive coat by plating on the outer peripheral surface, and a step of detaching the masking jig from the rotational shaft.

摘要翻译： 为了在与磁致伸缩扭矩传感器相关联的旋转轴的外周表面上形成环形磁致伸缩涂层，磁致伸缩涂层形成方法包括将圆柱形掩模夹具安装在旋转轴的外周表面上并确保掩模 夹具到外周面，将旋转轴放置在镀槽中，由此通过在外周面上电镀形成磁致伸缩涂层的步骤，以及将掩模夹具从旋转轴上分离的步骤。

公开(公告)号：US07283779B2

公开(公告)日：2007-10-16

申请号：US11059539

申请日：2005-02-17

申请人： Yuichi Fukuda

发明人： Yuichi Fukuda

IPC分类号： G03G15/20

CPC分类号： G03G15/2064

摘要： A fixing device includes a heat unit that heats a toner image on a first recording medium and a heat absorption and transmission unit that absorbs heat of the first recording medium sent from the heat unit and transmits the heat thus absorbed to a second recording medium to be sent to the heat unit. The heat absorption and transmission unit includes a belt member circulated around tensile members to transport the first and second recording media. The belt member has a heat absorption portion and a heat transmission portion downstream and upstream from the heat unit, respectively. The heat absorption portion contacts the first recording medium and absorbs heat in a state that periphery of a contact region is thermally insulated, and the heat transmission portion contacts the second recording medium and transmits heat in a state that a periphery of a contact region is thermally insulated.

摘要翻译： 定影装置包括加热第一记录介质上的调色剂图像的加热单元和吸收从热单元发送的第一记录介质的热量的吸热传输单元，并将所吸收的热量传递给第二记录介质， 送到加热单元。 吸热和传输单元包括围绕拉伸构件循环以传送第一和第二记录介质的带构件。 带部件分别在加热单元的下游和上游具有吸热部分和热传递部分。 吸热部分接触第一记录介质并且在接触区域的周边被隔热的状态下吸收热量，并且热传递部分接触第二记录介质并且在接触区域的周边是热的状态下传递热量 绝缘

公开(公告)号：US20060029443A1

公开(公告)日：2006-02-09

申请号：US11059539

申请日：2005-02-17

申请人： Yuichi Fukuda

发明人： Yuichi Fukuda

IPC分类号： G03G15/20

CPC分类号： G03G15/2064

摘要： A fixing device includes a heat unit that heats a toner image on a first recording medium and a heat absorption and transmission unit that absorbs heat of the first recording medium sent from the heat unit and transmits the heat thus absorbed to a second recording medium to be sent to the heat unit. The heat absorption and transmission unit includes a belt member circulated around tensile members to transport the first and second recording media. The belt member has a heat absorption portion and a heat transmission portion downstream and upstream from the heat unit, respectively. The heat absorption portion contacts the first recording medium and absorbs heat in a state that periphery of a contact region is thermally insulated, and the heat transmission portion contacts the second recording medium and transmits heat in a state that a periphery of a contact region is thermally insulated.

摘要翻译： 定影装置包括加热第一记录介质上的调色剂图像的加热单元和吸收从热单元发送的第一记录介质的热量的吸热传输单元，并将所吸收的热量传递给第二记录介质， 送到加热单元。 吸热和传输单元包括围绕拉伸构件循环以传送第一和第二记录介质的带构件。 带部件分别在加热单元的下游和上游具有吸热部分和热传递部分。 吸热部分接触第一记录介质并且在接触区域的周边被隔热的状态下吸收热量，并且热传递部分接触第二记录介质并且在接触区域的周边是热的状态下传递热量 绝缘

公开(公告)号：US5969746A

公开(公告)日：1999-10-19

申请号：US766344

申请日：1996-12-16

申请人： Yasuhiro Oda ,  Kazuhiko Arai ,  Yuichi Fukuda ,  Nobuhiro Katsuta ,  Masanori Kobayashi

发明人： Yasuhiro Oda ,  Kazuhiko Arai ,  Yuichi Fukuda ,  Nobuhiro Katsuta ,  Masanori Kobayashi

IPC分类号： H04N1/29 ,  H04N1/40 ,  H04N1/21

CPC分类号： H04N1/29 ,  H04N1/40037

摘要： An image forming apparatus for reproducing an image corresponding to a digitized image signal includes; an imaging member; a halftone image forming device for reproducing a latent image composed of a plurality of pixels on the imaging member, and for developing the latent image so that coloring particles are adhered in each pixel being put together as an island, the halftone image including a relatively low density halftone image; and a transfixing device for simultaneously transferring the halftone image and fixing the halftone image onto a recording sheet. The image forming apparatus may further includes an intermediate transfer medium. The island-like toner image reproduces the halftone image clearly.

摘要翻译： 用于再现与数字化图像信号对应的图像的图像形成装置包括： 成像构件; 一种半色调图像形成装置，用于再现由成像构件上的多个像素构成的潜像，并且用于使潜像显影，使得每个像素中的着色颗粒粘附在一起作为岛，所述半色调图像包括相对较低的 密度半色调图像; 以及用于同时传送半色调图像并将半色调图像固定到记录纸上的转染装置。 图像形成装置还可以包括中间转印介质。 岛状调色剂图像清晰地再现了半色调图像。