公开(公告)号：US20100214389A1

公开(公告)日：2010-08-26

申请号：US12639830

申请日：2009-12-16

申请人： Etsuko ITO ,  Takeshi SOWA ,  Ken IKUMA

发明人： Etsuko ITO ,  Takeshi SOWA ,  Ken IKUMA

IPC分类号： B41J2/45

CPC分类号： B41J2/451

摘要： A line head includes first to third light-emitting elements arranged in a first direction; and an optical system that forms images by light emitted from the first to third light-emitting elements on an imaging surface to form images of the light-emitting elements, in which the first light-emitting element is arranged between the second light-emitting element and the third light-emitting element in the first direction; the optical system has a first lens surface that has refractive power and is arranged so as to satisfy a relation of H>0.5D, where H is a distance in the first direction between the geometrical centers of the images of the second and third light-emitting elements, and D is the maximum width in the first direction of a light passing region of the first lens surface through which light emitted from the second and third light-emitting elements passes; and, light emitted from the first and second light-emitting elements do not overlap with each other on a cross section of the first lens surface taken along the first direction so as to include an optical axis of the optical system.

摘要翻译： 线头包括沿第一方向排列的第一至第三发光元件; 以及光学系统，其通过在成像面上从第一至第三发光元件发出的光形成图像，以形成发光元件的图像，其中第一发光元件布置在第二发光元件 并且所述第三发光元件在所述第一方向上; 该光学系统具有第一透镜表面，该第一透镜表面具有折射光焦度并且被布置以满足H> 0.5D的关系，其中H是第二和第三光焦度的图像的几何中心之间的第一方向上的距离， D是从第二发光元件和第三发光元件射出的光通过的第一透镜面的光通过区域的第一方向的最大宽度; 并且从第一和第二发光元件发射的光在沿着第一方向截取的第一透镜表面的横截面上彼此不重叠，以包括光学系统的光轴。

公开(公告)号：US20100208027A1

公开(公告)日：2010-08-19

申请号：US12688697

申请日：2010-01-15

申请人： Takeshi SOWA ,  Yujiro NOMURA ,  Ken IKUMA

发明人： Takeshi SOWA ,  Yujiro NOMURA ,  Ken IKUMA

IPC分类号： B41J2/45

CPC分类号： G03G15/326 ,  G03G15/04072

摘要： An image forming apparatus includes a line head that performs exposure on a latent image carrier to form a latent image. The line head includes first and second light-emitting elements arranged in a first direction; and an optical system that images light emitted from the first and second light-emitting elements. When a difference between the maximum and minimum values of a longitudinal aberration of the optical system is G, a distance in the first direction between centers of geometry of the first and second light-emitting elements is Pel, and an optical magnification of the optical system is β, a relation of G>|β|·Pel is satisfied.

摘要翻译： 图像形成装置包括对潜像载体进行曝光以形成潜像的行头。 线头包括沿第一方向布置的第一和第二发光元件; 以及对从第一和第二发光元件发射的光进行成像的光学系统。 当光学系统的纵向像差的最大值和最小值之间的差为G时，第一和第二发光元件的几何形状中心之间的第一方向上的距离为Pel，光学系统的光学倍率 是＆bgr; G> |＆bgr; |·Pel的关系是满意的。

公开(公告)号：US20100195164A1

公开(公告)日：2010-08-05

申请号：US12697863

申请日：2010-02-01

申请人： Toru FUJITA ,  Takeshi SOWA ,  Ken IKUMA

发明人： Toru FUJITA ,  Takeshi SOWA ,  Ken IKUMA

IPC分类号： G06T5/00

CPC分类号： G03G15/326 ,  G03G15/04045 ,  G03G15/50 ,  G03G2215/0426 ,  H04N1/0473 ,  H04N1/1911 ,  H04N2201/0082 ,  H04N2201/04787

摘要： An image forming apparatus that includes a latent image carrier on which a latent image is formed, an exposure head that has a first imaging optical system, first light emitting elements that emit light to be imaged by the first imaging optical system, a second imaging optical system, and second light emitting elements that emit light to be imaged by the second imaging optical system and which form the latent image on the latent image carrier at a position adjacent to the first light emitting elements in a first direction, an image processor that has an input unit to which image data are input, and a data giving unit that gives correction data to correct positional slippage of the latent image formed on the latent image carrier to the input image data.

摘要翻译： 一种图像形成装置，包括其上形成有潜像的潜像载体，具有第一成像光学系统的曝光头，发射由第一成像光学系统成像的光的第一发光元件，第二成像光学 系统和第二发光元件，其发射由第二成像光学系统成像的光，并且在第一方向上与第一发光元件相邻的位置在潜像载体上形成潜像;图像处理器， 输入图像数据的输入单元，以及数据给出单元，其给出校正数据，以将形成在潜像载体上的潜像的位置滑动校正到输入图像数据。

公开(公告)号：US20100067950A1

公开(公告)日：2010-03-18

申请号：US12552993

申请日：2009-09-02

申请人： Hiroshi TOYAMA ,  Koichi KAMIJO ,  Ken IKUMA

发明人： Hiroshi TOYAMA ,  Koichi KAMIJO ,  Ken IKUMA

IPC分类号： G03G15/16

CPC分类号： G03G15/1605 ,  G03G15/10 ,  G03G15/11 ,  G03G21/08

摘要： An image forming apparatus includes: a latent image carrier; an exposure unit which forms a latent image on the latent image carrier; a developing unit which develops the latent image formed on the latent image carrier by the exposure unit using liquid developer; a squeeze roller which contacts the latent image carrier, and applies bias voltage to the latent image carrier after development by the developing unit; an electrification reducing light source which supplies light to the latent image carrier to which bias is applied by the squeeze roller; a transfer member which contacts the latent image carrier and receives the image transferred from the latent image carrier; and a reflection preventing member disposed between the transfer member and the electrification reducing light source.

摘要翻译： 图像形成装置包括：潜像载体; 在潜像载体上形成潜像的曝光单元; 显影单元，其通过使用液体显影剂的曝光单元使潜像载体上形成的潜像显影; 与所述潜像载体接触的挤压辊，并且通过所述显影单元在显影之后对所述潜像载体施加偏置电压; 减光光源，其通过挤压辊向施加了偏压的潜像载体提供光; 传送构件，其接触所述潜像载体并接收从所述潜像载体传送的图像; 以及设置在所述转印构件和所述减电光源之间的防反射构件。

公开(公告)号：US20100052570A1

公开(公告)日：2010-03-04

申请号：US12549231

申请日：2009-08-27

申请人： Yuki OGUCHI ,  Ken IKUMA

发明人： Yuki OGUCHI ,  Ken IKUMA

IPC分类号： H05B37/02

CPC分类号： H05B33/0851 ,  G03G15/04072 ,  G03G15/043 ,  G03G15/326

摘要： An exposure head includes: at least one light emitting element; an imaging optical system adapted to image light from the light emitting element; at least one reference element disposed to the light emitting element; and a control section adapted to control light emission of the light emitting element, and to put off the reference element in a latent image forming operation, wherein the control section obtains degree of deterioration of the light emitting element based on an intensity of light emitted by the light emitting element at timing other than timing when the latent image formation operation is executed and an intensity of light emitted by the reference element at the timing other than the timing when the latent image formation operation is executed, and controls light intensity of the light emitting element in the latent image forming operation based on the degree of deterioration.

摘要翻译： 曝光头包括：至少一个发光元件; 成像光学系统，其适于对来自所述发光元件的光进行成像; 设置在所述发光元件上的至少一个参考元件; 以及控制部，其适于控制所述发光元件的发光，并且在潜像形成操作中熄灭所述参考元件，其中所述控制部基于由所述发光元件发出的光的强度，获得所述发光元件的劣化程度 在执行潜像形成操作的定时以外的定时的发光元件和在执行潜像形成操作的定时以外的定时由参考元件发射的光的强度，并且控制光的光强度 基于劣化度的潜像形成操作中的发光元件。

公开(公告)号：US20100046080A1

公开(公告)日：2010-02-25

申请号：US12544108

申请日：2009-08-19

申请人： Yujiro NOMURA ,  Ken IKUMA

发明人： Yujiro NOMURA ,  Ken IKUMA

IPC分类号： G02B27/12 ,  G03G15/04

CPC分类号： G02B3/0056 ,  B41J2/451 ,  G02B3/0068 ,  G03G15/04072 ,  G03G2215/0409

摘要： A lens array includes: a lens array substrate having a light transmissive property; a first lens disposed on the lens array substrate; and a second lens disposed on the lens array substrate in a first direction from the first lens and different from the first lens in peripheral shape.

摘要翻译： 透镜阵列包括：具有透光性的透镜阵列基板; 设置在所述透镜阵列基板上的第一透镜; 以及第二透镜，其从第一透镜在第一方向上设置在透镜阵列基板上，并且与周边形状的第一透镜不同。

公开(公告)号：US20100034562A1

公开(公告)日：2010-02-11

申请号：US12537134

申请日：2009-08-06

申请人： Yujiro NOMURA ,  Ken IKUMA

发明人： Yujiro NOMURA ,  Ken IKUMA

IPC分类号： G03G15/04 ,  G02B27/12

CPC分类号： G02B3/0056 ,  B41J2/451 ,  G02B3/0068 ,  G03G15/04072 ,  G03G2215/0409

摘要： A lens array includes: a light transmissive lens array substrate; a plurality of lenses disposed on the lens array substrate in a first direction; and a line-like mark formed on the lens array substrate in a second direction one of perpendicular and substantially perpendicular to the first direction.

摘要翻译： 透镜阵列包括：透光透镜阵列基板; 在第一方向上设置在透镜阵列基板上的多个透镜; 以及在第二方向上形成在透镜阵列基板上的线状标记，垂直且基本上垂直于第一方向。

公开(公告)号：US20090237485A1

公开(公告)日：2009-09-24

申请号：US12403689

申请日：2009-03-13

申请人： Takeshi SOWA ,  Yujiro NOMURA ,  Ken IKUMA

发明人： Takeshi SOWA ,  Yujiro NOMURA ,  Ken IKUMA

IPC分类号： B41J2/45

CPC分类号： B41J2/451

摘要： An exposure head, includes: a substrate that is provided with a first light emitting element, a second light emitting element that is arranged at one side of the first light emitting element in a first direction and a third light emitting element that is arranged at the one side of the second light emitting element in the first direction, the first light emitting element and the second light emitting element being arranged at a first distance from each other in the first direction, the second light emitting element and the third light emitting element being arranged at a second distance, which is different from the first distance, from each other in the first direction; and an imaging optical system that images light from the first, the second and the third light emitting elements.

摘要翻译： 曝光头包括：设置有第一发光元件的基板，在第一方向上布置在第一发光元件的一侧的第二发光元件和布置在第一发光元件的第三发光元件 在第一方向上的第二发光元件的一侧，第一发光元件和第二发光元件沿第一方向彼此相隔第一距离，第二发光元件和第三发光元件是 以与所述第一距离不同的第二距离布置在所述第一方向上; 以及成像光学系统，其对来自第一，第二和第三发光元件的光进行成像。

公开(公告)号：US20090232533A1

公开(公告)日：2009-09-17

申请号：US12397979

申请日：2009-03-04

申请人： Hiroshi TOYAMA ,  Ken IKUMA

发明人： Hiroshi TOYAMA ,  Ken IKUMA

IPC分类号： G03G15/06 ,  G03G15/10

CPC分类号： G03G15/11 ,  G03G2221/0005

摘要： An image forming apparatus according to the present invention includes an image carrier, a charging section that electrically charges the image carrier, an exposure section that exposes the image carrier to light to form a latent image, a development section that develops the latent image by means of a liquid developer containing carrier and toner particles, a first squeezing roller that is held in contact with the image carrier carrying an image developed by the development section and adapted to bear a bias voltage Vs1 applied thereto, a second squeezing roller that is held in contact with the image carrier squeezed by the first squeezing roller and adapted to bear a bias voltage Vs2 applied thereto, and a transfer member that is held in contact with the image carrier squeezed by the second squeezing roller and adapted to receive the image transferred thereto, the absolute value of the bias voltage Vs1 and the absolute value of the bias voltage Vs2 showing a relationship of |Vs1|>|Vs2|.

摘要翻译： 根据本发明的图像形成装置包括图像载体，对图像载体进行电荷的充电部，将图像载体曝光以形成潜像的曝光部，通过装置显影潜像的显影部 包含载体和调色剂颗粒的液体显影剂，第一挤压辊，其保持与承载由显影部分显影的图像的图像载体接触并适于承受施加到其上的偏置电压Vs1;第二挤压辊，保持在 与由第一挤压辊挤压的图像载体接触并适于承受施加到其上的偏置电压Vs2;以及传送构件，其保持与由第二挤压辊挤压的图像载体接触并适于接收转印到其上的图像， 偏置电压Vs1的绝对值和偏置电压Vs2的绝对值表示| Vs1 |> | Vs 2 |。

公开(公告)号：US20090185829A1

公开(公告)日：2009-07-23

申请号：US12356392

申请日：2009-01-20

申请人： Yujiro NOMURA ,  Ken IKUMA

发明人： Yujiro NOMURA ,  Ken IKUMA

IPC分类号： G03G15/04

CPC分类号： G03G15/326 ,  B41J2/45 ,  G03G15/04045

摘要： A line head includes: a first substrate that includes light-emitting elements formed thereon; and a second substrate that includes focusing lenses, which are inverted optical systems, focusing light emitted from the light-emitting elements, and has a linear expansion coefficient that is smaller than that of the first substrate.

摘要翻译： 行头包括：第一基板，其包括形成在其上的发光元件; 以及第二基板，其包括作为反转的光学系统的聚焦透镜，聚焦从发光元件发射的光，并且具有比第一基板的线膨胀系数小的线膨胀系数。