公开(公告)号：US07834898B2

公开(公告)日：2010-11-16

申请号：US12188034

申请日：2008-08-07

申请人： Kenji Yamaguchi ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

发明人： Kenji Yamaguchi ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： G03G15/326 ,  B41J2/451 ,  G03G15/04072 ,  G03G2215/0409 ,  H04N1/12 ,  H04N1/1911 ,  H04N1/1916 ,  H04N1/1917 ,  H04N1/1918 ,  H04N1/193 ,  H04N1/1932 ,  H04N1/1933 ,  H04N1/1934

摘要： An image forming device includes a photoconductor drum having a rotational shaft in a first direction, and an exposure head having a plurality of imaging optical systems disposed in the first direction and a second direction and each having a negative optical magnification, and a light emitting element substrate on which a plurality of light emitting elements are disposed, the plurality of light emitting elements emitting light beams imaged on the photoconductor drum by one of the imaging optical systems, and the light beams are imaged by the imaging optical systems disposed in the second direction on the photoconductive drum at positions different from each other in the second direction.

摘要翻译： 图像形成装置包括具有沿第一方向的旋转轴的感光鼓和具有沿第一方向和第二方向设置并且各自具有负光学倍率的多个成像光学系统的曝光头，以及发光元件 其上设置多个发光元件的多个发光元件，所述多个发光元件通过所述成像光学系统之一发射成像在所述感光鼓上的光束，并且所述光束被设置在所述第二方向上的所述成像光学系统成像 在感光鼓上在第二方向上彼此不同的位置处。

公开(公告)号：US08174548B2

公开(公告)日：2012-05-08

申请号：US12335289

申请日：2008-12-15

申请人： Kiyoshi Tsujino ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

发明人： Kiyoshi Tsujino ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

IPC分类号： G03G13/03

CPC分类号： B41J2/45

摘要： An image forming apparatus, includes: a latent image carrier that moves in a first direction; an exposure head that includes a first imaging optical system, a second imaging optical system that is distanced from the first imaging optical system in the first direction, a light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system and a light emitting element that emits a light to be imaged on the latent image carrier by the second imaging optical system; and a controller that is adapted to control a light quantity of the light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system in accordance with an imaging characteristic of the first imaging optical system.

摘要翻译： 一种图像形成装置，包括：沿第一方向移动的潜像载体; 一种曝光头，包括第一成像光学系统，在第一方向上与第一成像光学系统相隔离的第二成像光学系统，通过第一成像发射要在潜像载体上成像的光的发光元件 光学系统和通过第二成像光学系统发射要在潜像载体上成像的光的发光元件; 以及控制器，其适于根据第一成像光学系统的成像特性来控制由第一成像光学系统发射要在潜像载体上成像的光的发光元件的光量。

公开(公告)号：US08300076B2

公开(公告)日：2012-10-30

申请号：US12764495

申请日：2010-04-21

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： B41J15/14 ,  B41J27/00

CPC分类号： B41J2/45

摘要： A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.

摘要翻译： 行头包括：基板，其设置有分别包括发射光束的第一方向上的多个发光元件的多个发光元件组; 透镜阵列，其包括对应于所述多个发光元件组而设置的多个成像透镜; 以及遮光构件，其设置在所述基板和所述透镜阵列之间，并且包括与所述多个发光元件组对应的多个导光孔，其中所述透镜阵列远离所述遮光构件，每个所述透镜阵列的内径 在第一方向上的多个导光孔的长度为第一导光孔直径，第一方向上的多个摄像透镜的孔径为第一透镜直径，第一导光孔直径较小 比第一透镜直径。

公开(公告)号：US08194106B2

公开(公告)日：2012-06-05

申请号：US12603424

申请日：2009-10-21

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： B41J2/44 ,  G02B26/10

CPC分类号： G03G15/326 ,  B41J2/45 ,  G03G15/04072 ,  G03G2215/0407 ,  G03G2215/0451

摘要： A line head includes multiple light emitting element groups each including multiple light emitting elements. In each light emitting element group, the multiple light emitting elements are disposed in a two-dimensional arrangement so that a distance Gx is greater than a distance Gy. The light emitting element groups are arranged so that pitches Px are greater than pitches Py.

摘要翻译： 线头包括多个发光元件组，每个发光元件组包括多个发光元件。 在每个发光元件组中，多个发光元件以二维排列设置，使得距离Gx大于距离Gy。 发光元件组被布置成使得间距Px大于间距Py。

公开(公告)号：US08004549B2

公开(公告)日：2011-08-23

申请号：US12870637

申请日：2010-08-27

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： B41J2/451 ,  G03G15/04045 ,  G03G2215/0409

摘要： A line head, includes: a microlens array in which a plurality of microlenses having a magnification whose absolute value is below 1 are arranged in a main scanning direction of a surface-to-be-scanned, and a plurality of luminous element groups which are arranged in a one-to-one correspondence with the respective plurality of microlenses, wherein in each of the plurality of luminous element groups, a plurality of luminous elements are arranged at mutually different main-scanning-direction positions in the main scanning direction, the plurality of luminous elements are respectively caused to emit lights at timings in conformity with a movement of the surface-to-be-scanned in a sub scanning direction, and light beams emitted from the plurality of luminous elements are imaged on the surface-to-be-scanned at mutually different main-scanning-direction positions in the main scanning direction to form a plurality of spots side by side on the surface-to-be-scanned in the main scanning direction, and in each of the plurality of luminous element groups, out of the plurality of luminous elements constituting the luminous element group, two luminous elements caused to emit lights to form adjacent spots are arranged at mutually different sub-scanning-direction positions in the sub scanning direction.

摘要翻译： 线头包括：微透镜阵列，其中具有绝对值小于1的倍率的多个微透镜被布置在待扫描表面的主扫描方向上，并且多个发光元件组是 与所述多个微透镜一一对应配置，其中在所述多个发光元件组中的每一个中，多个发光元件布置在主扫描方向上的相互不同的主扫描方向位置处， 分别使多个发光元件按照与副扫描方向上的被扫描表面的移动一致的定时发光，并且从多个发光元件发射的光束被成像在表面 - 在主扫描方向上的相互不同的主扫描方向位置被扫描，以在主扫描方向上的待扫描表面上并排地形成多个斑点 n，并且在所述多个发光体组中的每一个中，在构成所述发光元件组的所述多个发光元件中，在所述多个发光元件组中的相互不同的副扫描方向位置处布置使得发光以形成相邻光点的两个发光元件 副扫描方向。

公开(公告)号：US07835082B2

公开(公告)日：2010-11-16

申请号：US12016860

申请日：2008-01-18

申请人： Kiyoshi Tsujino ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

发明人： Kiyoshi Tsujino ,  Nozomu Inoue ,  Yujiro Nomura ,  Ken Ikuma

IPC分类号： G02B27/10

CPC分类号： G02B19/0066 ,  G02B3/0056 ,  G02B3/0062 ,  G02B19/0014 ,  G02B27/0961

摘要： A line head includes: a first lens array having a plurality of first lenses each having a convex surface as a light incidence surface; a second lens array that is arranged at a light-emitting surface side of the first lens array so as to be opposite to the first lens array and that has a plurality of second lenses, which are arranged at positions corresponding to the plurality of first lenses and each of which has a convex surface as a light incidence surface; and at least a light-emitting element provided for each of the first lenses at a light incidence side of the first lens array.

摘要翻译： 行头包括：具有多个第一透镜的第一透镜阵列，每个第一透镜具有作为光入射表面的凸面; 第二透镜阵列，其布置在第一透镜阵列的发光表面侧以与第一透镜阵列相对并且具有多个第二透镜，其布置在与多个第一透镜相对应的位置处 并且每个具有作为光入射表面的凸面; 以及至少在第一透镜阵列的光入射侧为每个第一透镜设置的发光元件。

公开(公告)号：US07808519B2

公开(公告)日：2010-10-05

申请号：US11777172

申请日：2007-07-12

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： B41J2/451 ,  G03G15/04045 ,  G03G2215/0409

摘要： A line head, includes: a microlens array in which a plurality of microlenses having a magnification whose absolute value is below 1 are arranged in a main scanning direction of a surface-to-be-scanned, and a plurality of luminous element groups which are arranged in a one-to-one correspondence with the respective plurality of microlenses, wherein in each of the plurality of luminous element groups, a plurality of luminous elements are arranged at mutually different main-scanning-direction positions in the main scanning direction, the plurality of luminous elements are respectively caused to emit lights at timings in conformity with a movement of the surface-to-be-scanned in a sub scanning direction, and light beams emitted from the plurality of luminous elements are imaged on the surface-to-be-scanned at mutually different main-scanning-direction positions in the main scanning direction to form a plurality of spots side by side on the surface-to-be-scanned in the main scanning direction, and in each of the plurality of luminous element groups, out of the plurality of luminous elements constituting the luminous element group, two luminous elements caused to emit lights to form adjacent spots are arranged at mutually different sub-scanning-direction positions in the sub scanning direction.

摘要翻译： 线头包括：微透镜阵列，其中具有绝对值小于1的倍率的多个微透镜被布置在待扫描表面的主扫描方向上，并且多个发光元件组是 与所述多个微透镜一一对应配置，其中在所述多个发光元件组中的每一个中，多个发光元件布置在主扫描方向上的相互不同的主扫描方向位置处， 分别使多个发光元件按照与副扫描方向上的被扫描表面的移动一致的定时发光，并且从多个发光元件发射的光束被成像在表面 - 在主扫描方向上的相互不同的主扫描方向位置被扫描，以在主扫描方向上的待扫描表面上并排地形成多个斑点 n，并且在所述多个发光体组中的每一个中，在构成所述发光元件组的所述多个发光元件中，在所述多个发光元件组中的相互不同的副扫描方向位置处布置使得发光以形成相邻光点的两个发光元件 副扫描方向。

公开(公告)号：US20100201778A1

公开(公告)日：2010-08-12

申请号：US12764495

申请日：2010-04-21

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： F21V13/00

CPC分类号： B41J2/45

摘要： A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.

摘要翻译： 行头包括：基板，其设置有分别包括发射光束的第一方向上的多个发光元件的多个发光元件组; 透镜阵列，其包括对应于所述多个发光元件组而设置的多个成像透镜; 以及遮光构件，其设置在所述基板和所述透镜阵列之间，并且包括与所述多个发光元件组对应的多个导光孔，其中所述透镜阵列远离所述遮光构件，每个所述透镜阵列的内径 在第一方向上的多个导光孔的长度为第一导光孔直径，第一方向上的多个摄像透镜的孔径为第一透镜直径，第一导光孔直径较小 比第一透镜直径。

公开(公告)号：US07733364B2

公开(公告)日：2010-06-08

申请号：US11832525

申请日：2007-08-01

申请人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

发明人： Yujiro Nomura ,  Nozomu Inoue ,  Ryuta Koizumi ,  Ken Ikuma

IPC分类号： B41J15/14 ,  B41J27/00

CPC分类号： B41J2/45

摘要： A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.

摘要翻译： 行头包括：基板，其设置有分别包括发射光束的第一方向上的多个发光元件的多个发光元件组; 透镜阵列，其包括对应于所述多个发光元件组而设置的多个成像透镜; 以及遮光构件，其设置在所述基板和所述透镜阵列之间，并且包括与所述多个发光元件组对应的多个导光孔，其中所述透镜阵列远离所述遮光构件，每个所述透镜阵列的内径 在第一方向上的多个导光孔的长度为第一导光孔直径，第一方向上的多个摄像透镜的孔径为第一透镜直径，第一导光孔直径较小 比第一透镜直径。

公开(公告)号：US07791631B2

公开(公告)日：2010-09-07

申请号：US12024910

申请日：2008-02-01

申请人： Nozomu Inoue ,  Kiyoshi Tsujino ,  Ken Ikuma ,  Yujiro Nomura

发明人： Nozomu Inoue ,  Kiyoshi Tsujino ,  Ken Ikuma ,  Yujiro Nomura

IPC分类号： B41J2/45

CPC分类号： B41J2/451

摘要： A line head, includes: an element substrate that includes luminous element groups as groups of a plurality of luminous elements; and a lens array that includes lenses which have an optical property of inverting or non-unity-magnification, focus light from the luminous element groups to form spot groups on an image plane, and are provided corresponding to the respective luminous element groups, wherein the plurality of luminous elements are two-dimensionally arranged in point symmetry in each luminous element group, a plurality of spots are formed as the spot group when the respective luminous elements of the luminous element group emit light, and an inter-point distance between an intersection of a line extending from a symmetry center of the luminous element group in an optical axis direction of the lens with the image plane and a center of gravity position of the spot group is shorter than a specified distance.

摘要翻译： 线头，包括：元件基板，其包括作为多个发光元件的组的发光元件组; 以及透镜阵列，其包括具有反转或非单位倍率的光学性质的透镜，来自发光元件组的聚焦光在图像平面上形成光点，并且对应于各个发光元件组提供，其中 在各发光体组中，以点对称的方式二维地配置多个发光元件，在发光元件组的各发光元件发光时，形成多个点作为点组，并且在交点 在透镜的光轴方向上与发光元件组的对称中心以图像平面和点组的重心位置比规定距离短的线。