利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

146 条记录 (耗时 0.013 秒)

    Light scanning unit and image forming apparatus employing the same
    92.
    发明公开
    Light scanning unit and image forming apparatus employing the same 有权
    光扫描，并内置摄像装置

    公开(公告)号：EP1956409A3

    公开(公告)日：2012-01-04

    申请号：EP08101257.7

    申请日：2008-02-04

    申请人： Samsung Electronics Co., Ltd

    发明人： Cho, Hee-sung

    IPC分类号： G02B26/12 ,  G02B13/00

    CPC分类号： G02B26/123 ,  G02B13/0005

    摘要： A light scanning unit includes a light source (10) which emits light beam with a predetermined wavelength, a beam deflector (30) which deflects and scans the light beam emitted by the light source (10) toward a photosensitive body (50), and an f-θ lens (40) which has at least one plastic lens and forms an image for the light deflected by the beam deflector (30) on the photosensitive body (50), the light scanning unit satisfying a following formula0 max - L min ≤ [20×(cos θ) 5 + 10] × λ/(5×10-4) where L max and L min respectively represent a maximum value and a minimum value of a total light passing distance from a light axis of at least one plastic lens according to a deflection angle, θ is an angle formed between a polarization direction of the light beam emitted by the light source (10) and a sub-scanning direction, and λ is a wavelength of the light beam emitted by the light source (10).

    Light scanning unit and image forming apparatus using the same
    93.
    发明公开
    Light scanning unit and image forming apparatus using the same 有权
    光扫描和成像装置，使

    公开(公告)号：EP1921481A3

    公开(公告)日：2011-05-25

    申请号：EP07117331.4

    申请日：2007-09-27

    申请人： Samsung Electronics Co., Ltd.

    发明人： Kim, Hyung-soo

    IPC分类号： G02B13/00 ,  G02B26/12 ,  G02B27/00 ,  H04N1/04

    CPC分类号： G02B26/125 ,  G02B13/0005 ,  G02B27/0031 ,  H04N1/1135 ,  H04N2201/0082

    摘要： A light scanning unit (140) includes: a light source (11) generating and irradiating at least one beam corresponding to an image signal; a beam deflector (20) deflecting and scanning the beam irradiated by the light source (11); and an f-θ lens (30) forming an image from the beam deflected by the beam deflector (20) onto a surface to be scanned, the f-θ lens (30) being provided as one lens and satisfies the following equation (2): - 0.2 SAG ⁢ 1 + SAG ⁢ 2 d 2 0.2
    where SAG 1 is Z value of an incident surface of the f-θ lens (30), which faces the beam deflector (20), SAG 2 is Z value of the exit surface of the f-θ lens (30), which faces the surface to be scanned, based on an XYZ coordinate system in which a main scanning plane is a Y-Z plane and a subscanning plane is an X-Z plane, and d 2 is a center thickness of the f-θ lens (30).

    F-Theta lens, light scanning unit and image forming apparatus employing the same
    94.
    发明公开
    F-Theta lens, light scanning unit and image forming apparatus employing the same 审中-公开
    F-Theta-Linse，Lichtabtasteinheit und Bilderzeugungsvorrichtung damit

    公开(公告)号：EP1947496A2

    公开(公告)日：2008-07-23

    申请号：EP08100303.0

    申请日：2008-01-10

    申请人： Samsung Electronics Co., Ltd.

    发明人： Lee, Tae-kyoung

    IPC分类号： G02B13/00

    CPC分类号： G02B7/025 ,  G02B13/0005

    摘要： An f-θ lens (230) is joined to a mount through a light curable bond (141), forms an incident deflected beam onto a photosensitive body (245), and includes a lens part (110) which has an incident side (110a) on which the deflected beam is incident, and an exiting side (110b) which is disposed near the photosensitive body (245) and on which the entered deflected beam is exited, an joining part (120) which has a joining side (120a) which is extended from the incident face and is joined to the mount, and an emitting side (120b) which is extended from the exiting face and disposed to face the joining side (120a), and which a light beam for curing the light curable bond (141) is scanned, and an emitting part (130) which is formed on the emitting side (120b) in a nonplanar shape and provided to decrease loss of light quantity of the light beam scanned on the emitting face, so that the f-θ lens (230) provides an improved joining force in a joining process by a light cure joining type.

    摘要翻译： 通过光可固化键（141）将f-R透镜（230）连接到安装件，在光敏体（245）上形成入射的偏转光束，并且包括具有入射侧（110a）的透镜部分 ）和设置在感光体（245）附近并且输入的偏转光束被退出的出射侧（110b），具有接合侧（120a）的接合部分（120） 从所述入射面延伸并与所述安装件接合的发射侧（120b）和从所述出射面延伸并且配置为面对所述接合侧（120a）的发光侧（120b），并且设置用于固化所述光固化性键的光束 （141），以及形成在发射侧（120b）上的非平面形状的发射部分（130），以减少在发射面上扫描的光束的光量的损失，使得f- ¸透镜（230）通过光固化接合类型在接合过程中提供改进的接合力。

    Beam scanning lens, beam scanning apparatus having the same, and image forming apparatus and method
    95.
    发明公开
    Beam scanning lens, beam scanning apparatus having the same, and image forming apparatus and method 审中-公开
    光束扫描透镜，具有该光束扫描透镜的光束扫描设备以及图像形成设备和方法

    公开(公告)号：EP1892647A3

    公开(公告)日：2008-03-12

    申请号：EP07109167.2

    申请日：2007-05-30

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Kim, Wook-bae

    IPC分类号： G02B26/12 ,  G02B13/00

    CPC分类号： G02B13/0005 ,  G02B3/0087

    摘要： A beam-scanning lens (100) used in a scanning image forming optical system includes a single lens (100) molded from plastic having a refractive index distribution curve (Δn(x)) and an effective area (107), such that a gap between a center axis (CL) of the refractive index distribution curve (Δn(x)) and a width centerline (105) of the effective area (107) is increased from a center of the single lens (100) to both ends of a lengthwise direction of the single lens (100).

    摘要翻译： 用于扫描图像形成光学系统的光束扫描透镜（100）包括由具有折射率分布曲线（Δn（x））和有效区域（107）的塑料模制而成的单透镜（100） 在折射率分布曲线（Δn（x））的中心轴线（CL）与有效区域（107）的宽度中心线（105）之间的距离从单透镜（100）的中心到 单透镜（100）的长度方向。

    Optical scanning apparatus and image forming apparatus using the same
    96.
    发明公开
    Optical scanning apparatus and image forming apparatus using the same 有权
    光学扫描设备和使用其的图像形成设备

    公开(公告)号：EP1832911A1

    公开(公告)日：2007-09-12

    申请号：EP07102249.5

    申请日：2007-02-13

    申请人： CANON KABUSHIKI KAISHA

    发明人： Tomioka, Yuichi ,  Yamawaki, Takeshi

    IPC分类号： G02B26/12 ,  G02B13/00 ,  G02B27/00

    CPC分类号： G02B26/125 ,  G02B13/0005

    摘要： A compact optical scanning apparatus capable of desirably correcting an fθ characteristic, a field curvature, and other aberrations, and an image forming apparatus using the same, which includes an incident optical system (LA) for guiding a beam from a light source (1) to a deflector (4) and an imaging optical system (LB) for guiding the beam to a scanning surface (7), wherein a scanning field angle region where θ1

    摘要翻译： 本发明提供一种能够良好地校正fθ特性，像面弯曲等像差的小型的光学扫描装置以及使用其的图像形成装置，其包括用于引导来自光源（1）的光束的入射光学系统（LA） 在有效扫描视场角范围内存在满足θ1<θ3和θ2<θ3的扫描视场角区域的偏转器（4）和用于将光束引导到扫描表面（7）的成像光学系统（LB） 其中在主扫描截面中和对于扫描视场角θ1，θ2表示入射在包括在成像光学系统中的光学元件上并且位于最靠近扫描表面的光束的主光线与成像的光轴之间的角度 θ3是来自光学元件的光束的主光线与光轴之间的角度。