公开(公告)号：US20080219601A1

公开(公告)日：2008-09-11

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： G06K7/10

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。

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。

公开(公告)号：US20090195636A1

公开(公告)日：2009-08-06

申请号：US12363891

申请日：2009-02-02

申请人： Nobuyuki Arai ,  Nobuaki Kubo

发明人： Nobuyuki Arai ,  Nobuaki Kubo

IPC分类号： B41J27/00

CPC分类号： B41J2/473 ,  G02B26/124

摘要： A pre-deflector optical system includes an isolator arranged on an optical path of a light beam from a light source. The isolator has a first surface with different light transmittances depending on a polarization state of an incident light beam on a first side close to the light source and a second surface imparting an optical phase difference of a ¼ wavelength to the incident light beam on a second side. A deflector deflects the light beam passed through the pre-deflector optical system. A rotation mechanism rotates the isolator around its optical axis. A holding member holds the light source and the isolator in a predetermined positional relationship.

摘要翻译： 预偏转光学系统包括布置在来自光源的光束的光路上的隔离器。 隔离器具有取决于靠近光源的第一侧上的入射光束的偏振状态的不同透光率的第一表面和在第二表面上向入射光束施加1/4波长的光学相位差的第二表面 侧。 偏转器使通过预偏转器光学系统的光束偏转。 旋转机构围绕其光轴旋转隔离器。 保持构件以预定的位置关系保持光源和隔离器。

公开(公告)号：US08451307B2

公开(公告)日：2013-05-28

申请号：US12363891

申请日：2009-02-02

申请人： Nobuyuki Arai ,  Nobuaki Kubo

发明人： Nobuyuki Arai ,  Nobuaki Kubo

IPC分类号： B41J15/14

CPC分类号： B41J2/473 ,  G02B26/124

摘要： A pre-deflector optical system includes an isolator arranged on an optical path of a light beam from a light source. The isolator has a first surface with different light transmittances depending on a polarization state of an incident light beam on a first side close to the light source and a second surface imparting an optical phase difference of a ¼ wavelength to the incident light beam on a second side. A deflector deflects the light beam passed through the pre-deflector optical system. A rotation mechanism rotates the isolator around its optical axis. A holding member holds the light source and the isolator in a predetermined positional relationship.

摘要翻译： 预偏转光学系统包括布置在来自光源的光束的光路上的隔离器。 隔离器具有取决于靠近光源的第一侧上的入射光束的偏振状态的不同透光率的第一表面和在第二表面上向入射光束施加1/4波长的光学相位差的第二表面 侧。 偏转器使通过预偏转器光学系统的光束偏转。 旋转机构围绕其光轴旋转隔离器。 保持构件以预定的位置关系保持光源和隔离器。

公开(公告)号：US20080267662A1

公开(公告)日：2008-10-30

申请号：US12107489

申请日：2008-04-22

申请人： Nobuyuki Arai ,  Yoshinori Hayashi

发明人： Nobuyuki Arai ,  Yoshinori Hayashi

IPC分类号： G03G15/04

CPC分类号： G03G15/0409 ,  G03G15/043 ,  G03G15/0435 ,  G03G15/326 ,  G03G2215/0407 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/1911 ,  H04N2201/0082

摘要： A light scanning device, which scans a surface to be scanned in a main scanning direction by a plurality of light beams, includes a light source including a plurality of light emitting parts that are arrayed two-dimensionally to emit the light beams, a separation optical system that separates a portion of the light beams emitted respectively from the plurality of light emitting parts, and a light receiving element that receives the portion of the light beams separated by the separation optical system. The separation optical system is a reduction system.

摘要翻译： 一种光扫描装置，其通过多个光束扫描主扫描方向的表面，包括：光源，其包括二维排列以发射光束的多个发光部;分离光 系统，其分离从多个发光部分分别发射的光束的一部分;以及光接收元件，其接收由分离光学系统分离的部分光束。 分离光学系统是还原系统。

公开(公告)号：US08699096B2

公开(公告)日：2014-04-15

申请号：US12326473

申请日：2008-12-02

申请人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Masako Yoshii

发明人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Masako Yoshii

IPC分类号： H04N1/04 ,  G02B26/08

CPC分类号： H04N1/1135 ,  H04N1/0282 ,  H04N2201/02456 ,  H04N2201/02458 ,  H04N2201/0246 ,  H04N2201/02462 ,  H04N2201/04794 ,  H04N2201/04796

摘要： A deflector deflects a light beam from a light source. A scanning optical system focuses the light beam deflected by the deflector. An image carrying member is located at a focal position of the light beam and includes a surface that is scanned in a main scanning direction with the light beam focused by the scanning optical system. One pixel of an image is formed by a plurality of light spots having different focal positions in at least a sub-scanning direction. At least one light spot from among the light spots is formed on the surface of the image carrying member at a scan timing different from those of rest of the light spots.

摘要翻译： 偏转器偏转来自光源的光束。 扫描光学系统对偏转器偏转的光束进行聚焦。 图像承载构件位于光束的焦点位置处，并且包括在主扫描方向上被扫描光学系统聚焦的光束扫描的表面。 图像的一个像素在至少副扫描方向上由具有不同焦点位置的多个光点形成。 在与其余的光点不同的扫描定时，在图像承载部件的表面上形成有来自光斑的至少一个光点。

公开(公告)号：US08228580B2

公开(公告)日：2012-07-24

申请号：US12119859

申请日：2008-05-13

申请人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Naoto Watanabe

发明人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Naoto Watanabe

IPC分类号： G02B26/08

CPC分类号： B41J2/471 ,  G02B26/123 ,  G02B26/127 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/506 ,  H04N2201/0471 ,  H04N2201/04713 ,  H04N2201/04744

摘要： An optical scanner includes a plurality of scanning optical systems each of which scans a different surface to be scanned and includes a light source configured to emit a light beam, an optical deflector having a plurality of reflection surfaces, and a synchronization detector configured to receive the light beam deflected by the optical deflector and detect a timing to scan an effective area of the surface to be scanned with the deflected light beam before a scanning is started or after the scanning is completed. The synchronization detector of one of a pair of scanning optical systems is disposed on a scanning end side to determine the scanning timing, and the synchronization detector of the other one of the pair of scanning optical systems is disposed on a scanning start side to determine the scanning timing.

摘要翻译： 光学扫描仪包括多个扫描光学系统，每个扫描光学系统扫描要扫描的不同表面，并且包括被配置为发射光束的光源，具有多个反射表面的光学偏转器，以及配置成接收 光束由光学偏转器偏转，并且在扫描开始之前或扫描完成之后检测用偏转光束扫描的待扫描表面的有效区域的定时。 一对扫描光学系统中的一个的同步检测器被设置在扫描端侧以确定扫描定时，并且一对扫描光学系统中的另一个的同步检测器设置在扫描开始侧，以确定 扫描时序。

公开(公告)号：US07626744B2

公开(公告)日：2009-12-01

申请号：US12031362

申请日：2008-02-14

申请人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Daisuke Ichii

发明人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Daisuke Ichii

IPC分类号： G02B26/08

CPC分类号： G02B26/123 ,  B82Y20/00 ,  G02B26/125 ,  H01S5/18311 ,  H01S5/3432 ,  H01S5/34326 ,  H01S5/4012 ,  H01S5/423

摘要： By setting elements within the range that predetermined conditions are satisfied, for example, so that a size of a rotating polygon mirror is minimized, the rotating polygon mirror is made compact while the eclipse of light beams in the main scanning direction is prevented. The cost reduction of an apparatus is thus realized. The compact rotating polygon mirror reduces the consumption energy and the amount of heat generated in its drive system. Deteriorations in various optical characteristics including an increase in spot diameter of the light beam by temperature variation, uneven scanning pitch, and sub-scanning direction variation in beam pitch are suppressed.

摘要翻译： 通过设定满足规定条件的范围内的元件，例如使得旋转多面镜的尺寸最小化，可以防止光束在主扫描方向上的蚀刻而使旋转多面镜变小。 从而实现装置的成本降低。 紧凑型旋转多面镜减少了其驱动系统中的消耗能量和产生的热量。 通过温度变化引起的光束直径增加，扫描间距不均匀，光束间距的副扫描方向变化等各种光学特性的劣化被抑制。

公开(公告)号：US20090141316A1

公开(公告)日：2009-06-04

申请号：US12326473

申请日：2008-12-02

申请人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Masako Yoshii

发明人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Masako Yoshii

IPC分类号： H04N1/04

CPC分类号： H04N1/1135 ,  H04N1/0282 ,  H04N2201/02456 ,  H04N2201/02458 ,  H04N2201/0246 ,  H04N2201/02462 ,  H04N2201/04794 ,  H04N2201/04796

摘要： A deflector deflects a light beam from a light source. A scanning optical system focuses the light beam deflected by the deflector. An image carrying member is located at a focal position of the light beam and includes a surface that is scanned in a main scanning direction with the light beam focused by the scanning optical system. One pixel of an image is formed by a plurality of light spots having different focal positions in at least a sub-scanning direction. At least one light spot from among the light spots is formed on the surface of the image carrying member at a scan timing different from those of rest of the light spots.

摘要翻译： 偏转器偏转来自光源的光束。 扫描光学系统对偏转器偏转的光束进行聚焦。 图像承载构件位于光束的焦点位置处，并且包括在主扫描方向上被扫描光学系统聚焦的光束扫描的表面。 图像的一个像素在至少副扫描方向上由具有不同焦点位置的多个光点形成。 在与其余的光点不同的扫描定时，在图像承载部件的表面上形成有来自光斑的至少一个光点。

公开(公告)号：US20080204842A1

公开(公告)日：2008-08-28

申请号：US12031362

申请日：2008-02-14

申请人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Daisuke Ichii

发明人： Nobuyuki Arai ,  Yoshinori Hayashi ,  Daisuke Ichii

IPC分类号： G02B26/08

CPC分类号： G02B26/123 ,  B82Y20/00 ,  G02B26/125 ,  H01S5/18311 ,  H01S5/3432 ,  H01S5/34326 ,  H01S5/4012 ,  H01S5/423

摘要： By setting elements within the range that predetermined conditions are satisfied, for example, so that a size of a rotating polygon mirror is minimized, the rotating polygon mirror is made compact while the eclipse of light beams in the main scanning direction is prevented. The cost reduction of an apparatus is thus realized. The compact rotating polygon mirror reduces the consumption energy and the amount of heat generated in its drive system. Deteriorations in various optical characteristics including an increase in spot diameter of the light beam by temperature variation, uneven scanning pitch, and sub-scanning direction variation in beam pitch are suppressed.

摘要翻译： 通过设定满足规定条件的范围内的元件，例如使得旋转多面镜的尺寸最小化，可以防止光束在主扫描方向上的蚀刻而使旋转多面镜变小。 从而实现装置的成本降低。 紧凑型旋转多面镜减少了其驱动系统中的消耗能量和产生的热量。 通过温度变化引起的光束直径增加，扫描间距不均匀，光束间距的副扫描方向变化等各种光学特性的劣化被抑制。