Optical scanning device and method for adjusting position of light beam sensor
    3.
    发明授权
    Optical scanning device and method for adjusting position of light beam sensor 有权
    用于调整光束传感器位置的光学扫描装置和方法

    公开(公告)号:US09387689B2

    公开(公告)日:2016-07-12

    申请号:US14316283

    申请日:2014-06-26

    发明人: Yoshinobu Yoneima

    摘要: An optical scanning device includes a light source, a deflector, a scanning optical system, a BD sensor, and a half-silvered mirror. The light source emits a light beam. The deflector deflects a light beam emitted from the light source. The scanning optical system includes a scan lens and causes the deflected light beam to form an image on a photosensitive surface. The BD sensor detects a light beam. The half-silvered mirror splits the light beam into a first beam and a second beam. The first beam passes through the scan lens to enter the photosensitive surface. The second beam enters the BD sensor.

    摘要翻译: 光学扫描装置包括光源,偏转器,扫描光学系统,BD传感器和半镀银镜。 光源发射光束。 偏转器偏转从光源发射的光束。 扫描光学系统包括扫描透镜,并使偏转的光束在感光表面上形成图像。 BD传感器检测光束。 半镀银镜将光束分成第一光束和第二光束。 第一束通过扫描透镜进入光敏表面。 第二个光束进入BD传感器。

    Image forming apparatus that identifies a reflection surface of a rotating polygon mirror on which a light beam is incident
    4.
    发明授权
    Image forming apparatus that identifies a reflection surface of a rotating polygon mirror on which a light beam is incident 有权
    识别出光束入射的旋转多面镜的反射面的图像形成装置

    公开(公告)号:US09229355B2

    公开(公告)日:2016-01-05

    申请号:US14471971

    申请日:2014-08-28

    发明人: Yuta Nito

    CPC分类号: G03G15/043

    摘要: A method for generating a BD signal and identifying a reflection surface after a polygonal mirror has reached approximately constant rotation speed increases time to start image formation because the step of generating the BD signal is needed. An image forming apparatus identifies a reflection surface on which a light beam is incident by using the period of an FG signal.

    摘要翻译: 由于需要生成BD信号的步骤,用于产生BD信号并且在多面镜已经达到大致恒定旋转速度之后识别反射表面的方法增加了开始图像形成的时间。 图像形成装置通过使用FG信号的周期来识别光束入射的反射面。

    Image forming apparatus having a biasing member having a release state and a locked state in which a detachable attachable unit is secured to an apparatus body
    5.
    发明授权
    Image forming apparatus having a biasing member having a release state and a locked state in which a detachable attachable unit is secured to an apparatus body 有权
    图像形成装置具有具有释放状态的偏置构件和锁定状态,在该状态下,可拆卸的可附接单元固定到设备主体

    公开(公告)号:US09207629B2

    公开(公告)日:2015-12-08

    申请号:US14547571

    申请日:2014-11-19

    IPC分类号: B41J15/14 B41J27/00 G03G21/16

    CPC分类号: G03G21/1647 G03G21/1666

    摘要: An image forming apparatus includes an apparatus body including positioning faces; a detachably attachable unit including receiving parts and contact parts; and a biasing member to press the receiving parts of the detachably attachable unit to the positioning faces disposed on the apparatus body. The biasing member is rotatably disposed to the apparatus body, contacts the contact parts disposed on the detachably attachable unit, presses the receiving parts against the positioning faces, and is elastically deformable in a direction separating from a rotary supporting point of the biasing member; and when the biasing member is rotated to a locked state from a release state, the biasing member is hooked to the contact parts, so that the receiving parts are pressed toward the positioning faces by the biasing member.

    摘要翻译: 图像形成装置包括:具有定位面的装置主体; 可拆卸地安装的单元,包括接收部件和接触部件; 以及偏压构件,用于将可拆卸安装单元的接收部分按压到设置在设备主体上的定位面。 偏置构件可旋转地设置在装置本体上,与设置在可拆卸安装单元上的接触部分接触,将接收部分压靠在定位面上,并且可在与偏置构件的旋转支撑点分离的方向上弹性变形; 并且当偏置构件从释放状态旋转到锁定状态时,偏压构件钩接到接触部分,使得接收部分被偏置构件朝向定位面挤压。

    Optical scanning apparatus, method for performing the same and image forming apparatus
    6.
    发明授权
    Optical scanning apparatus, method for performing the same and image forming apparatus 有权
    光学扫描装置,其执行方法和图像形成装置

    公开(公告)号:US09170523B2

    公开(公告)日:2015-10-27

    申请号:US14073960

    申请日:2013-11-07

    摘要: An optical scanning apparatus for optically scanning at least one scanning target surface, the optical scanning apparatus including: a light source; a light-flux dividing unit disposed on a main optical path of a main light flux emitted from the light source, and the light-flux dividing unit configured to spatially divide the main light flux; an optical deflector disposed on a divided optical path of the divided light flux, and the optical deflector configured to deflect the divided optical path; an optical path opening/closing switch unit disposed on the divided optical path between the light-flux dividing unit and the optical deflector, and the optical path opening/closing switch unit configured to interrupt or pass at least one of the divided optical path; and a controller configured to control operation of interrupting or passing the at least one of the divided optical path by the optical path opening/closing switch unit.

    摘要翻译: 一种用于光学扫描至少一个扫描目标表面的光学扫描装置,所述光学扫描装置包括:光源; 设置在从光源发射的主光束的主光路上的光束分割部,以及构成为在空间上分割主光束的光束分割部; 设置在所述分割光束的分割光路上的光学偏转器,所述光学偏转器构造成偏转所述分割光路; 光路打开/关闭开关单元,设置在光束分配单元和光学偏转器之间的分割光路上,光路打开/关闭开关单元被配置为中断或通过分割光路中的至少一个; 以及控制器,被配置为控制通过所述光路打开/关闭开关单元中断或通过所述划分的光路中的至少一个的操作。

    Image forming apparatus including a downsized image carrier of an additional color therein
    7.
    发明授权
    Image forming apparatus including a downsized image carrier of an additional color therein 有权
    图像形成装置包括其中附加颜色的小型化图像载体

    公开(公告)号:US09122184B2

    公开(公告)日:2015-09-01

    申请号:US14189116

    申请日:2014-02-25

    申请人: Susumu Mikajiri

    发明人: Susumu Mikajiri

    摘要: An image forming apparatus includes image carriers for four fundamental colors of black, cyan, magenta, and yellow, and for an auxiliary color, and three optical scanning devices. A first optical scanning device includes two light sources for the black color and another fundamental color, a first deflector, and a first housing. A second optical scanning device includes two light sources for other two fundamental colors, a second deflector, and a second housing. A third optical scanning device includes a light source for the auxiliary color, a third deflector, a third housing, and one or more reflecting mirrors. The light source for the auxiliary color is disposed closer to the third deflector with the one or more reflecting mirrors to turn an optical path therebetween while maintaining an optical path length thereof. The optical paths for the auxiliary color and for the black color have identical light utilization efficiency.

    摘要翻译: 图像形成装置包括黑色,青色,品红色和黄色四种基色以及辅助色的图像载体和三种光学扫描装置。 第一光学扫描装置包括用于黑色和另一种基本颜色的两个光源,第一偏转器和第一壳体。 第二光学扫描装置包括用于其它两种基本颜色的两个光源,第二偏转器和第二壳体。 第三光学扫描装置包括用于辅助颜色的光源,第三偏转器,第三外壳和一个或多个反射镜。 辅助颜色的光源与一个或多个反射镜靠近第三偏转器设置,以在保持光路长度的同时转动光路。 辅助颜色和黑色的光路具有相同的光利用效率。

    Light scanning apparatus with reduced thermal stress
    8.
    发明授权
    Light scanning apparatus with reduced thermal stress 有权
    具有降低热应力的光扫描装置

    公开(公告)号:US09091958B2

    公开(公告)日:2015-07-28

    申请号:US13715165

    申请日:2012-12-14

    发明人: Yuta Okada

    摘要: A light scanning apparatus, including: a light source configured to emit a light beam; a light deflector including: a rotary shaft; a bearing portion configured to support the rotary shaft; a rotor fixed to the rotary shaft; a stator fixed to the bearing portion; a drive circuit board configured to support the bearing portion and to drive the stator to rotate the rotor; and a mirror portion fixed to the rotor, the light deflector being configured to deflect the light beam emitted from the light source by the mirror portion; and a housing including: a bearing inserting portion into which the bearing portion is inserted; a fixing portion configured to fix the drive circuit board; and a recessed portion provided between the bearing inserting portion and the fixing portion.

    摘要翻译: 一种光扫描装置,包括:被配置为发射光束的光源; 光偏转器,包括:旋转轴; 构造成支撑所述旋转轴的轴承部; 固定在旋转轴上的转子; 固定在所述轴承部上的定子; 驱动电路板,被配置为支撑所述轴承部分并驱动所述定子以使所述转子旋转; 以及固定到所述转子的镜部,所述光偏转器被配置为通过所述镜部偏转从所述光源发射的光束; 以及壳体,包括:轴承插入部,所述轴承部插入所述轴承插入部; 固定部,其构造成固定所述驱动电路基板; 以及设置在所述轴承插入部和所述固定部之间的凹部。

    Optical scanning device, and image forming apparatus
    9.
    发明授权
    Optical scanning device, and image forming apparatus 有权
    光学扫描装置和图像形成装置

    公开(公告)号:US09081192B2

    公开(公告)日:2015-07-14

    申请号:US13907071

    申请日:2013-05-31

    发明人: Yoshiyuki Suzuki

    IPC分类号: B41J15/14 B41J27/00 G02B26/12

    CPC分类号: G02B26/127

    摘要: An optical scanning device includes a light source, a scanning portion that includes plural reflection surfaces, makes light beams incident to the reflection surface such that optical axis directions of the light beams emitted from the light emitting parts are tilted with respect to a direction perpendicular to the reflection surface, and scans the light beams in the main scanning direction through rotation, an optical system that includes an optical member made of a resin, is disposed between the scanning portion and the surface to be scanned, and makes the plural light beams incident to the surface to be scanned such that optical axes of the plural light beams are parallel to each other, and a correction portion that is provided in the optical system, and corrects positional deviation of scanning lines of the light beams in the sub-scanning direction on the surface to be scanned.

    摘要翻译: 光学扫描装置包括光源,包括多个反射表面的扫描部分,使得入射到反射表面的光束使得从发光部分发射的光束的光轴方向相对于垂直于发光部分的方向倾斜 反射面,通过旋转沿主扫描方向扫描光束,将包括由树脂制成的光学部件的光学系统配置在扫描部和被扫描面之间,使多个光束入射 到被扫描的表面,使得多个光束的光轴彼此平行;以及校正部,其设置在所述光学系统中,并且校正所述光束在副扫描方向上的扫描线的位置偏差 在要扫描的表面上。

    Image forming apparatus with beam splitter and aperture positioned for compactness
    10.
    发明授权
    Image forming apparatus with beam splitter and aperture positioned for compactness 有权
    具有分束器和孔径的图像形成装置定位成紧凑

    公开(公告)号:US08970650B2

    公开(公告)日:2015-03-03

    申请号:US13856878

    申请日:2013-04-04

    发明人: Kazuyuki Iwamoto

    CPC分类号: G03G15/043 G03G15/0435

    摘要: An image forming apparatus is provided that reduces main scanning jitter with a simple configuration and performs light amount control with high accuracy. The image forming apparatus includes: a laser emitting luminous flux; a main-scanning aperture portion shaping the luminous flux; a beam splitter splitting the luminous flux passed through the main-scanning aperture portion into a reflected beam and a transmitted beam; a rotary polygon mirror deflecting the transmitted beam so that the transmitted beam scans the surface of a photosensitive drum; and an optical box in which the laser, the main-scanning aperture portion, the beam splitter and the rotary polygon mirror are disposed. The main-scanning aperture portion is disposed so as not to block a deflected and transmitted beam. The beam splitter abuts against the main-scanning aperture portion so as not to block a deflected and transmitted beam deflected, and is positioned by abutting against the main-scanning aperture portion.

    摘要翻译: 提供一种图像形成装置,其以简单的配置减少主扫描抖动,并以高精度执行光量控制。 图像形成装置包括:发射光束的激光; 形成光通量的主扫描孔径部分; 分束器,将通过主扫描孔径部分的光束分成反射光束和透射光束; 偏转透射光束的旋转多面镜,使得透射光束扫描感光鼓的表面; 以及配置有激光器,主扫描开口部,分束器和旋转多面镜的光学盒。 主扫描孔部被设置为不阻挡偏转和传输的光束。 分束器抵靠主扫描孔径部分,以防止偏转和偏转的光束被偏转,并且通过抵靠主扫描孔部分定位。