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1. 发明授权

US08199179B2 Image forming apparatus and scanning unit to scan a target surface using light fluxes 有权
标题翻译：图像形成装置和使用光束扫描目标表面的扫描单元
公开(公告)号：US08199179B2
公开(公告)日：2012-06-12
申请号：US11933800
申请日：2007-11-01
申请人： Yoshinori Hayashi , Naoto Watanabe , Daisuke Ichii , Nobuaki Kubo
发明人： Yoshinori Hayashi , Naoto Watanabe , Daisuke Ichii , Nobuaki Kubo
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： H04N1/1135 , G02B26/124
摘要： A scanning unit in an image forming apparatus includes a light source, a coupling lens, an aperture, an image forming lens, and a polygon mirror. The light source includes a plurality of surface-emitting lasers. The coupling lens, the aperture, and the image forming lens are arranged on the optical path of light beams emitted by the light source. The polygon mirror deflects light beams of an image formed by the coupling lens towards a photosensitive drum for scanning. The focal length of the image forming lens in a sub-scanning direction is set to be equal to or smaller than an optical path length between the image forming lens and the aperture.
摘要翻译：图像形成装置中的扫描单元包括光源，耦合透镜，孔，成像透镜和多面镜。光源包括多个表面发射激光器。耦合透镜，孔径和图像形成透镜布置在由光源发射的光束的光路上。多面镜将由耦合透镜形成的图像的光束偏转到用于扫描的感光鼓。图像形成透镜在副扫描方向上的焦距设定为等于或小于成像透镜和光圈之间的光程长度。

2. 发明授权

US07545547B2 Scanning unit and image forming apparatus 有权
标题翻译：扫描单元和图像形成装置
公开(公告)号：US07545547B2
公开(公告)日：2009-06-09
申请号：US11877020
申请日：2007-10-23
申请人： Yoshinori Hayashi , Nobuaki Kubo , Naoto Watanabe , Daisuke Ichii
发明人： Yoshinori Hayashi , Nobuaki Kubo , Naoto Watanabe , Daisuke Ichii
IPC分类号： G02B26/08
CPC分类号： G02B26/124 , G02B26/125
摘要： A scanning optical system leads the light fluxes deflected by the polygon mirror to a photosensitive drum. An absolute value of a lateral magnification in a main scanning direction is larger than an absolute value of a lateral magnification in a sub-scanning direction. Moreover, a beam diameter in the sub-scanning direction on a surface of the photosensitive drum is equal to or smaller than a beam diameter in the main scanning direction and larger than a scan line interval.
摘要翻译：扫描光学系统将由多面镜偏转的光束引导到感光鼓。主扫描方向的横向放大率的绝对值大于副扫描方向的横向倍率的绝对值。此外，感光鼓的表面上的副扫描方向上的光束直径等于或小于主扫描方向上的光束直径并且大于扫描线间隔。

3. 发明申请

US20080123159A1 SCANNING UNIT AND IMAGE FORMING APPARATUS 有权
标题翻译：扫描单元和图像形成装置
公开(公告)号：US20080123159A1
公开(公告)日：2008-05-29
申请号：US11933800
申请日：2007-11-01
申请人： Yoshinori HAYASHI , Naoto Watanabe , Daisuke Ichii , Nobuaki Kubo
发明人： Yoshinori HAYASHI , Naoto Watanabe , Daisuke Ichii , Nobuaki Kubo
IPC分类号： H04N1/04
CPC分类号： H04N1/1135 , G02B26/124
摘要： A scanning unit in an image forming apparatus includes a light source, a coupling lens, an aperture, an image forming lens, and a polygon mirror. The light source includes a plurality of surface-emitting lasers. The coupling lens, the aperture, and the image forming lens are arranged on the optical path of light beams emitted by the light source. The polygon mirror deflects light beams of an image formed by the coupling lens towards a photosensitive drum for scanning. The focal length of the image forming lens in a sub-scanning direction is set to be equal to or smaller than an optical path length between the image forming lens and the aperture.
摘要翻译：图像形成装置中的扫描单元包括光源，耦合透镜，孔，成像透镜和多面镜。光源包括多个表面发射激光器。耦合透镜，孔径和图像形成透镜布置在由光源发射的光束的光路上。多面镜将由耦合透镜形成的图像的光束偏转到用于扫描的感光鼓。图像形成透镜在副扫描方向上的焦距设定为等于或小于成像透镜和光圈之间的光程长度。

4. 发明申请

US20080100895A1 SCANNING UNIT AND IMAGE FORMING APPARATUS 有权
标题翻译：扫描单元和图像形成装置
公开(公告)号：US20080100895A1
公开(公告)日：2008-05-01
申请号：US11877020
申请日：2007-10-23
申请人： Yoshinori HAYASHI , Nobuaki Kubo , Naoto Watanabe , Daisuke Ichii
发明人： Yoshinori HAYASHI , Nobuaki Kubo , Naoto Watanabe , Daisuke Ichii
IPC分类号： G02B26/08
CPC分类号： G02B26/124 , G02B26/125
摘要： A scanning optical system leads the light fluxes deflected by the polygon mirror to a photosensitive drum. An absolute value of a lateral magnification in a main scanning direction is larger than an absolute value of a lateral magnification in a sub-scanning direction. Moreover, a beam diameter in the sub-scanning direction on a surface of the photosensitive drum is equal to or smaller than a beam diameter in the main scanning direction and larger than a scan line interval.
摘要翻译：扫描光学系统将由多面镜偏转的光束引导到感光鼓。主扫描方向的横向放大率的绝对值大于副扫描方向的横向倍率的绝对值。此外，感光鼓的表面上的副扫描方向上的光束直径等于或小于主扫描方向上的光束直径并且大于扫描线间隔。

5. 发明授权

US08848009B2 Optical scanning device and image forming apparatus 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US08848009B2
公开(公告)日：2014-09-30
申请号：US13624182
申请日：2012-09-21
申请人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo
发明人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo
IPC分类号： B41J2/385 , B41J2/435 , B41J15/14 , B41J27/00 , G02B26/08 , G02B26/10 , G02B26/12 , B41J2/47 , G02B27/00
CPC分类号： G02B26/123 , B41J2/473 , G02B27/0018
摘要： An optical scanning device scanning scan target surfaces in a first direction with light includes: a light source emitting first and second light beams corresponding to two of the scan target surfaces; an optical deflector including a reflection surface on which the emitted first and second light beams are obliquely incident while being separated from each other in a second direction perpendicular to the first direction, and deflecting the first and second light beams; a scanning lens disposed on respective optical paths of the deflected first and second light beams; and a branching optical element transmitting therethrough most of the first light beam transmitted through the scanning lens, and reflecting most of the second light beam transmitted through the scanning lens. The deflected first and second light beams intersect between the optical deflector and the branching optical element, when projected on a plane perpendicular to the first direction.
摘要翻译：用光扫描第一方向的扫描目标表面的光扫描装置包括：发射对应于两个扫描目标表面的第一和第二光束的光源; 光偏转器，其包括反射面，发射的第一光束和第二光束在垂直于第一方向的第二方向上彼此分离并倾斜入射，并且偏转第一和第二光束; 设置在偏转的第一和第二光束的相应光路上的扫描透镜; 以及分支光学元件，透射通过扫描透镜的第一光束的大部分，并且反射透过扫描透镜的大部分第二光束。当投影在垂直于第一方向的平面上时，偏转的第一和第二光束在光学偏转器和分支光学元件之间相交。

6. 发明授权

US08786658B2 Exposure device and image forming apparatus 失效
标题翻译：曝光装置和图像形成装置
公开(公告)号：US08786658B2
公开(公告)日：2014-07-22
申请号：US13783898
申请日：2013-03-04
申请人： Nobuaki Kubo , Toshiaki Tokita , Kohji Sakai , Naoto Watanabe , Tomohiro Nakajima , Yorichika Ishiyama
发明人： Nobuaki Kubo , Toshiaki Tokita , Kohji Sakai , Naoto Watanabe , Tomohiro Nakajima , Yorichika Ishiyama
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： G03G15/04036 , G03G15/0435 , G03G21/1666
摘要： An exposure device to expose an exposure element includes a light source; an optical system to guide light emitted from the light source to the exposure element; and an optical housing, configured with a plurality of plates, to support the light source and the optical system. At least one of the plurality of plates configuring the optical housing is formed with a plurality of grooves on each of a first face and a second face with a given pitch on the one of the plurality of plates, the first face and the second face being opposite faces with each other. The plurality of grooves are arranged by shifting the center of each of grooves formed on the first face and the center of each of grooves formed on the second face.
摘要翻译：用于曝光曝光元件的曝光装置包括光源; 用于将从光源发射的光引导到曝光元件的光学系统; 以及配置有多个板的光学壳体，以支撑光源和光学系统。构成光学壳体的多个板中的至少一个在多个板之一上形成有在第一面和第二面中的每一个上具有给定间距的多个槽，第一面和第二面是相反的面对面。多个凹槽通过使形成在第一面上的每个凹槽的中心和形成在第二面上的每个凹槽的中心偏移而布置。

7. 发明授权

US08102411B2 Optical scanner and image forming apparatus 有权
标题翻译：光学扫描仪和图像形成装置
公开(公告)号：US08102411B2
公开(公告)日：2012-01-24
申请号：US12028346
申请日：2008-02-08
申请人： Nobuyuki Arai , Tomoya Ohsugi , Yoshinori Hayashi , Nobuaki Kubo
发明人： Nobuyuki Arai , Tomoya Ohsugi , Yoshinori Hayashi , Nobuaki Kubo
IPC分类号： B41J15/14 , B41J27/00
CPC分类号： G06K7/10702 , B41J2/473
摘要： An optical scanner includes a housing and an intermediate member that includes a first joining surface and a second joining surface. The first joining surface is attached to the housing and the second joining surface is attached to at least one optical element of any one of a first optical system and a second optical system. In a three-dimensional coordinate in which a first one of coordinate axes is a direction that is parallel to both the first joining surface and the second joining surface, a second range on the first coordinate axis corresponding to the second joining surface includes a center point of a first range on the first coordinate axis corresponding to the first joining surface.
摘要翻译：光学扫描器包括壳体和包括第一接合表面和第二接合表面的中间构件。第一接合表面附接到壳体，并且第二接合表面附接到第一光学系统和第二光学系统中的任一个的至少一个光学元件。在第一坐标轴是与第一接合面和第二接合面平行的方向的三维坐标中，与第二接合面对应的第一坐标轴上的第二范围包括中心点对应于第一接合面的第一坐标轴上的第一范围。

8. 发明申请

US20090060583A1 Light source unit, optical scan apparatus, and image formation apparatus 有权
标题翻译：光源单元，光学扫描装置和图像形成装置
公开(公告)号：US20090060583A1
公开(公告)日：2009-03-05
申请号：US12230248
申请日：2008-08-26
申请人： Taku Amada , Tomohiro Nakajima , Yoshinori Hayashi , Nobuaki Kubo
发明人： Taku Amada , Tomohiro Nakajima , Yoshinori Hayashi , Nobuaki Kubo
IPC分类号： G03G15/04 , F21V5/00
CPC分类号： B41J2/473 , G02B26/123 , G03G15/0435 , G03G15/326
摘要： A light source unit is provided which includes a light source with a plurality of light emission portions two-dimensionally arranged; a substrate on which the light source is mounted; a first support portion supporting the substrate; a bias member biasing the substrate towards the first support portion; a coupling element coupling a light beam emitted from the light source; a second support portion supporting the coupling element; and a holding member holding a position of the substrate relative to the first support portion.
摘要翻译：提供一种光源单元，其包括具有二维排列的多个发光部的光源; 其上安装有光源的基板; 支撑所述基板的第一支撑部; 偏置构件朝向第一支撑部分偏压衬底; 耦合元件，耦合从光源发射的光束; 支撑所述联接元件的第二支撑部; 以及保持构件，其相对于所述第一支撑部保持所述基板的位置。

9. 发明授权

US09625711B2 Optical scanning apparatus and image forming device 有权
公开(公告)号：US09625711B2
公开(公告)日：2017-04-18
申请号：US13718514
申请日：2012-12-18
申请人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo , Masayuki Muranaka
发明人： Naoto Watanabe , Toshiaki Tokita , Kohji Sakai , Nobuaki Kubo , Masayuki Muranaka
IPC分类号： G02B26/12 , B41J2/47
CPC分类号： B41J2/473 , B41J2/471 , G02B26/123 , G02B26/127 , G02B26/129 , G03G15/043 , G03G15/505
摘要： An optical scanning apparatus includes a light source, an optical deflector having a rotary polygon mirror to deflect a light beam from the light source, a scanning optical system configured to focus the light beam deflected by the optical deflector on a target surface, a sync detecting sensor configured to determine a write start timing on the target surface, and a processing unit configured to correct detection data of the sync detecting sensor based on a measured value of a time needed for one revolution of the rotary polygon mirror.

10. 发明授权

US08922863B2 Optical scanning device and image forming apparatus 有权
标题翻译：光学扫描装置和图像形成装置
公开(公告)号：US08922863B2
公开(公告)日：2014-12-30
申请号：US13608216
申请日：2012-09-10
申请人： Toshiaki Tokita , Nobuaki Kubo , Naoto Watanabe , Kohji Sakai
发明人： Toshiaki Tokita , Nobuaki Kubo , Naoto Watanabe , Kohji Sakai
IPC分类号： G02B26/08 , B41J2/47 , G03G15/043 , G02B26/12 , G02B3/00 , G02B5/30
CPC分类号： B41J2/473 , G02B3/0075 , G02B5/3058 , G02B26/123 , G03G15/0435
摘要： An optical scanning device separately scanning plural scan target surfaces in a first direction with light includes: a light source unit configured to emit first and second light beams mutually different in polarization state; an optical deflector configured to rotate around an axis parallel to a second direction perpendicular to the first direction, and deflect the emitted light beams; an imaging optical element provided on respective optical paths of the deflected light beams; a polarization adjustment element provided on the optical paths of the light beams transmitted through the imaging optical element, and configured to correct respective changes in polarization state of the light beams occurring during the transmission of the light beams through the imaging optical element; and a polarization separation element provided on the optical paths of the light beams emitted from the polarization adjustment element, and configured to separate the light beams from each other.
摘要翻译：利用光分别在第一方向上扫描多个扫描目标表面的光学扫描装置包括：光源单元，被配置为发射极化状态彼此不同的第一和第二光束; 光学偏转器，被配置为围绕平行于与第一方向垂直的第二方向的轴线旋转，并偏转发射的光束; 设置在偏转光束的相应光路上的成像光学元件; 偏振调节元件，设置在通过成像光学元件透射的光束的光路上，并且被配置为校正在通过成像光学元件的光束透射期间发生的光束的偏振状态的变化; 以及偏振分离元件，设置在从偏振调节元件发射的光束的光路上，并且被配置为将光束彼此分离。

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