公开(公告)号：US20090086328A1

公开(公告)日：2009-04-02

申请号：US12211667

申请日：2008-09-16

申请人： Takeshi SOWA ,  Yujiro NOMURA ,  Ryuta KOIZUMI

发明人： Takeshi SOWA ,  Yujiro NOMURA ,  Ryuta KOIZUMI

IPC分类号： G02B27/12

CPC分类号： G02B26/124 ,  G02B3/0006

摘要： A line head includes: a positive lens system having two lenses with positive refractive power; an image-side lens array in which the image-side lens of the two lenses is arrayed in a plural number in first and second directions; an object-side lens array in which the object-side lens of the two lenses is arrayed in a plural number in the first and second directions; a light emitter array in which a plurality of light-emitting elements are arrayed on an object side of the positive lens system for the one positive lens system; and an aperture plate that forms an aperture diaphragm disposed on the object side of the positive lens system so that an image side is telecentric or approximately telecentric. Assuming that the row number of lenses arrayed in the second direction of the image-side lens array is m, a gap between effective regions of the two image-side lenses adjacent to each other in the first direction is α, an image-side angle of aperture (half angle) of the positive lens system is θi, a width (full width) of a plurality of light-emitting element images in the first direction, which are images on image surfaces of the plurality of light-emitting elements arrayed for the one positive lens system, is Wi, a focal length of the image-side lens is f2, and a distance from an image-side principal plane of the image-side lens to the image surface is Si, the following conditions, f2≦(mWi−α)/(2θi), Wi≧2Siθi/(m−1)+α/(m−1), are satisfied.

摘要翻译： 行头包括：正透镜系统，具有两个具有正屈光力的透镜; 其中所述两个透镜的图像侧透镜在第一和第二方向上以多个排列的图像侧透镜阵列; 物镜侧透镜阵列，其中两个透镜的物体侧透镜在第一和第二方向上以多个排列; 在所述正透镜系统的正透镜系统的物体侧排列有多个发光元件的发光体阵列; 以及孔板，其形成设置在正透镜系统的物体侧上的孔径光阑，使得像侧是远心的或近似远心的。 假设排列在图像侧透镜阵列的第二方向上的透镜的行数为m，则在第一方向上彼此相邻的两个图像侧透镜的有效区域之间的间隔为α，图像侧角 正透镜系统的孔径（半角）是第一方向上的多个发光元件图像的宽度（全宽度），它们是排列成多个发光元件的图像表面上的图像 一个正透镜系统是Wi，图像侧透镜的焦距为f2，从图像侧透镜的图像侧主面到图像面的距离为Si，以下条件f2 < =（mWi-α）/（2thetai），Wi> = 2Sithetai /（m-1）+α/（m-1）。

公开(公告)号：US20110097120A1

公开(公告)日：2011-04-28

申请号：US12890144

申请日：2010-09-24

申请人： Yujiro NOMURA

发明人： Yujiro NOMURA

IPC分类号： G03G15/01

CPC分类号： G03G15/1615 ,  G03G2215/00556 ,  G03G2215/0626 ,  G03G2215/1614 ,  G03G2215/1666

摘要： An image forming apparatus including: a belt-shaped image carrier configured to carry an image; a first imaging unit configured to transfer a first image to the image carrier; a second imaging unit configured to transfer a second image to the image carrier on which the image is transferred by the first imaging unit; a drive roller configured to circulate the image carrier by winding the image carrier thereon; a roller on which the image carrier is wound; a transfer roller having a concaved portion on part of a circumferential surface thereof which comes into abutment with the image carrier wound around the roller via a recording material; a drive unit configured to drive the transfer roller; and a gripping portion disposed in the concaved portion and configured to grip the recording material.

摘要翻译： 一种图像形成装置，包括：被配置为承载图像的带状图像载体; 配置成将第一图像传送到图像载体的第一成像单元; 第二成像单元，被配置为将第二图像传送到由第一成像单元传送图像的图像载体; 驱动辊，其构造成通过在其上卷绕图像载体来循环图像载体; 卷绕图像载体的辊; 转印辊在其圆周表面的一部分上具有与通过记录材料缠绕在辊上的图像载体邻接的凹部; 构造成驱动所述转印辊的驱动单元; 以及设置在所述凹部中并构造成夹持所述记录材料的抓握部。

公开(公告)号：US20110044731A1

公开(公告)日：2011-02-24

申请号：US12854419

申请日：2010-08-11

申请人： Yujiro NOMURA ,  Yoshihisa SAKA

发明人： Yujiro NOMURA ,  Yoshihisa SAKA

IPC分类号： G03G15/01

CPC分类号： G03G15/1615

摘要： An image forming apparatus including: an image carrier that has a belt-like shape and carries an image; an image forming section that forms the image on the image carrier; a driving roller around which the image carrier is looped, the driving roller being rotationally driven by a first driving source to drive the image carrier; a roller around which the image carrier is looped; a transfer roller having a partially hollow peripheral surface and being rotationally driven by a second driving source, the transfer roller abutting on the image carrier to form a transfer nip at a position at which the image carrier is looped around the roller; a first tension roller that abuts on the image carrier between a position of the driving roller and a position of the roller to adjust a tensile force of the image carrier; and a second tension roller that abuts on the image carrier to adjust a tensile force of the image carrier, the second tension roller abutting on the image carrier on an abutting position opposite to that of the first tension roller so as to interpose the transfer nip between the first and second tension rollers.

摘要翻译： 一种图像形成装置，包括：具有带状形状并承载图像的图像载体; 图像形成部，其在图像载体上形成图像; 驱动辊，图像载体绕其周围，驱动辊由第一驱动源旋转驱动以驱动图像载体; 围绕图像载体环绕的辊; 转印辊具有部分中空的圆周表面并被第二驱动源旋转驱动，转印辊抵靠在图像载体上以在图像载体环绕辊的位置形成转印辊隙; 第一张紧辊，其在驱动辊的位置和辊的位置之间抵靠图像载体，以调节图像载体的张力; 以及第二张力辊，其邻接所述图像载体以调节所述图像载体的张力，所述第二张力辊在与所述第一张力辊的相反的抵接位置抵靠在所述图像载体上，以将所述传送辊隙介于 第一和第二张力辊。

公开(公告)号：US20090153642A1

公开(公告)日：2009-06-18

申请号：US12334312

申请日：2008-12-12

申请人： Ryuta KOIZUMI ,  Nozomu INOUE ,  Yujiro NOMURA

发明人： Ryuta KOIZUMI ,  Nozomu INOUE ,  Yujiro NOMURA

IPC分类号： B41J2/435

CPC分类号： B41J2/45

摘要： An exposure head, includes: an imaging optical system; a first light emitting element that emits a light which is to be focused by the imaging optical system; a second light emitting element that emits a light which is to be focused by the imaging optical system; a first TFT circuit that is connected with the first light emitting element via an interconnection wire; and a second TFT circuit that is connected with the second light emitting element via an interconnection wire, wherein the first light emitting element and the second light emitting element are provided between the first TFT circuit and the second TFT circuit.

摘要翻译： 曝光头，包括：成像光学系统; 发射要被成像光学系统聚焦的光的第一发光元件; 发射由成像光学系统聚焦的光的第二发光元件; 经由互连线与第一发光元件连接的第一TFT电路; 以及通过互连线与第二发光元件连接的第二TFT电路，其中第一发光元件和第二发光元件设置在第一TFT电路和第二TFT电路之间。

公开(公告)号：US20090060543A1

公开(公告)日：2009-03-05

申请号：US12203737

申请日：2008-09-03

申请人： Kunihiro KAWADA ,  Yujiro NOMURA

发明人： Kunihiro KAWADA ,  Yujiro NOMURA

IPC分类号： G03G15/00

CPC分类号： G03G15/326 ,  G03G15/04072 ,  G03G2215/0132 ,  G03G2215/0409

摘要： An image forming apparatus, includes: an exposure head that includes an imaging optical system which is arranged in a first direction and a light emitting element which emits light to be focused by the imaging optical system; a latent image carrier that moves in a second direction orthogonal to or substantially orthogonal to the first direction and carries a latent image which is formed by the exposure head; a developing unit that develops the latent image formed on the latent image carrier by the exposure head; and a detector that detects an image which is developed by the developing unit and is formed using one imaging optical system.

摘要翻译： 一种图像形成装置，包括：曝光头，其包括沿第一方向布置的成像光学系统和发射由所述成像光学系统聚焦的光的发光元件; 潜像载体，其在与所述第一方向正交或基本上正交的第二方向上移动并承载由所述曝光头形成的潜像; 显影单元，其通过曝光头显影形成在潜像载体上的潜像; 以及检测器，其检测由显影单元显影并且使用一个成像光学系统形成的图像。

公开(公告)号：US20090041504A1

公开(公告)日：2009-02-12

申请号：US12188045

申请日：2008-08-07

申请人： Kenji YAMAGUCHI ,  Nozomu INOUE ,  Yujiro NOMURA

发明人： Kenji YAMAGUCHI ,  Nozomu INOUE ,  Yujiro NOMURA

IPC分类号： G03G15/04

CPC分类号： G03G15/326 ,  B41J2/451 ,  G03G15/04054 ,  H04N1/036 ,  H04N1/19505

摘要： A light exposure head includes a base; a substrate disposed on the base, the substrate having a plurality of light emitting elements disposed thereon; and n (n is an integer greater than or equal to one) imaging optical systems, each of which having a negative optical magnification, the imaging optical systems focusing light beams emitted from the plurality of light emitting elements disposed on the substrate.

摘要翻译： 曝光头包括底座; 衬底，其设置在所述基底上，所述衬底具有设置在其上的多个发光元件; 并且每个具有负光学倍率的成像光学系统的n（n是大于或等于1的整数），所述成像光学系统聚焦从设置在所述基板上的所述多个发光元件发射的光束。

公开(公告)号：US20090021571A1

公开(公告)日：2009-01-22

申请号：US12175296

申请日：2008-07-17

申请人： Nozomu INOUE ,  Yujiro NOMURA

发明人： Nozomu INOUE ,  Yujiro NOMURA

IPC分类号： B41J2/447

CPC分类号： B41J2/451

摘要： A line head, includes: a substrate which is transmissive and includes a first surface and a second surface facing the first surface; a plurality of light emitting elements which are arranged on the first surface of the substrate and emit light beams; a wiring which is arranged on the first surface of the substrate and is connected with the plurality of light emitting elements; a lens array that includes a plurality of imaging lenses which are arranged facing the light emitting elements at a side of the second surface of the substrate and focus the light beams emitted from the facing light emitting elements to form spots; and an optical sensor which detects the light beams emitted from the light emitting elements and is arranged on the second surface of the substrate.

摘要翻译： 线头包括：基底，其是透射的并且包括第一表面和面向第一表面的第二表面; 多个发光元件，其布置在所述基板的所述第一表面上并发射光束; 布线在所述基板的第一表面上并与所述多个发光元件连接的布线; 透镜阵列，其包括多个成像透镜，所述成像透镜在所述基板的所述第二表面的一侧面对所述发光元件，并且聚焦从所述面对的发光元件发射的光束以形成点; 以及光学传感器，其检测从发光元件发射的光束并且布置在基板的第二表面上。

公开(公告)号：US20110026980A1

公开(公告)日：2011-02-03

申请号：US12839958

申请日：2010-07-20

申请人： Nobuyuki MIZUSHIMA ,  Yujiro NOMURA

发明人： Nobuyuki MIZUSHIMA ,  Yujiro NOMURA

IPC分类号： G03G15/01

CPC分类号： G03G15/161 ,  G03G15/1605 ,  G03G2215/1614

摘要： An image forming method comprising: forming an image on a latent image bearing member by developing a latent image formed on the latent image bearing member using a liquid developing agent having toner and a carrier liquid; transferring the image onto an image bearing belt that cyclically moves while forming a winding portion by being wound upon the latent image bearing member; detecting positions of the image bearing belt using a first sensor and a second sensor disposed in a different position from that of the first sensor; and adjusting a formation position of the latent image based on the results of the detection, wherein at the winding portion, the transfer member makes contact with the latent image bearing member through the image bearing belt, and a transfer bias of a constant voltage is applied to the transfer member.

摘要翻译： 一种图像形成方法，包括：通过使用具有调色剂和载体液体的液体显影剂将形成在潜像承载部件上的潜像显影在潜像承载部件上形成图像; 通过卷绕在潜像承载部件上形成绕组部分，将图像转印到循环移动的图像承载带上; 使用设置在与第一传感器不同的位置的第一传感器和第二传感器来检测图像承载带的位置; 并且根据检测结果调整潜像的形成位置，其中在卷绕部分，转印部件通过图像承载带与潜像承载部件接触，并施加恒定电压的转印偏压 到转移构件。

公开(公告)号：US20090141114A1

公开(公告)日：2009-06-04

申请号：US12274196

申请日：2008-11-19

申请人： Kiyoshi TSUJINO ,  Nozomu INOUE ,  Yujiro NOMURA

发明人： Kiyoshi TSUJINO ,  Nozomu INOUE ,  Yujiro NOMURA

IPC分类号： B41J2/45

CPC分类号： B41J2/451 ,  G03G15/04045 ,  G03G15/043 ,  G03G2215/0412

摘要： A line head, includes: a head substrate; a first light emitting element group which is arranged on the head substrate and includes a first light emitting element and a second light emitting element; a second light emitting element group and a third light emitting element group which are arranged in a first direction on the head substrate; a first wiring which is arranged between the second and the third light emitting element groups on the head substrate and is electrically connected with the first light emitting element; a second wiring which is arranged between the second and the third light emitting element groups on the head substrate and is electrically connected with the second light emitting element; and a connecting portion which is arranged on the head substrate and is electrically connected with the first and the second wirings.

摘要翻译： 线头，包括：头基板; 第一发光元件组，其布置在头基板上并且包括第一发光元件和第二发光元件; 第二发光元件组和第三发光元件组，其在头基板上沿第一方向排列; 布置在头基板上的第二和第三发光元件组之间并与第一发光元件电连接的第一布线; 第二布线，布置在头基板上的第二和第三发光元件组之间，并与第二发光元件电连接; 以及连接部，其布置在所述头基板上并与所述第一布线和所述第二布线电连接。

公开(公告)号：US20090129819A1

公开(公告)日：2009-05-21

申请号：US12274175

申请日：2008-11-19

申请人： Nozomu INOUE ,  Yujiro NOMURA

发明人： Nozomu INOUE ,  Yujiro NOMURA

IPC分类号： G03G15/02

CPC分类号： G03G15/326 ,  G03G15/04072 ,  G03G2215/0456

摘要： An exposure head includes an imaging optical system arranged in a first direction, and first and second light emitting elements disposed in a second direction substantially perpendicular to the first direction that emit light beams to be imaged by the imaging optical system to form light-collected sections adjacent to each other in the first direction. A first wiring is electrically connected to and extended out from the first light emitting element to one side in the second direction. A second wiring is electrically connected to and extended out from the second light emitting element to the one side in the second direction.

摘要翻译： 曝光头包括沿第一方向布置的成像光学系统，以及第一和第二发光元件，其设置在基本上垂直于第一方向的第二方向上，该第二方向发射由成像光学系统成像的光束，以形成光收集部分 在第一方向上彼此相邻。 第一布线电连接到第一发光元件并从第一发光元件延伸到第二方向的一侧。 第二布线电连接到第二发光元件并从第二发光元件延伸到第二方向的一侧。