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    • 1. 发明授权
    • Laser scanning optical device
    • 激光扫描光学器件
    • US08879134B2
    • 2014-11-04
    • US13442654
    • 2012-04-09
    • Naoki TajimaYasushi NagasakaTakahiro Matsuo
    • Naoki TajimaYasushi NagasakaTakahiro Matsuo
    • G02B26/08G02B26/12B41J2/47
    • G02B26/12B41J2/473
    • A laser scanning optical device includes: alight source having a plurality of emission points; a plate-like light source holder which holds the light source in a center of the light source holder; a base arranged to face the light source holder; and an attitude adjusting part which adjusts an attitude of the light source by adjusting a tilt of the light source holder, and the attitude adjusting part includes an inclined part and an inclination conveying part, and adjusts the tilt of the light source holder with respect to the base by displacing an abutting position of the inclined part corresponding to the inclination conveying part along an inclined surface of the inclined part.
    • 激光扫描光学装置包括:具有多个发射点的光源; 将光源保持在光源支架的中心的板状光源支架; 布置成面对光源支架的基座; 以及姿态调节部,其通过调整所述光源保持器的倾斜来调节所述光源的姿势,并且所述姿态调整部具有倾斜部和倾斜传送部,并且调整所述光源保持器相对于 所述基座通过沿着所述倾斜部分的倾斜表面移位与所述倾斜传送部分相对应的所述倾斜部分的邻接位置。
    • 2. 发明申请
    • Laser Scanning Optical Device
    • 激光扫描光学装置
    • US20120275003A1
    • 2012-11-01
    • US13442654
    • 2012-04-09
    • Naoki TajimaYasushi NagasakaMatsuo Takahiro
    • Naoki TajimaYasushi NagasakaMatsuo Takahiro
    • G02B26/10
    • G02B26/12B41J2/473
    • A laser scanning optical device includes: alight source having a plurality of emission points; a plate-like light source holder which holds the light source in a center of the light source holder; a base arranged to face the light source holder; and an attitude adjusting part which adjusts an attitude of the light source by adjusting a tilt of the light source holder, and the attitude adjusting part includes an inclined part and an inclination conveying part, and adjusts the tilt of the light source holder with respect to the base by displacing an abutting position of the inclined part corresponding to the inclination conveying part along an inclined surface of the inclined part.
    • 激光扫描光学装置包括:具有多个发射点的光源; 将光源保持在光源支架的中心的板状光源支架; 布置成面对光源支架的基座; 以及姿态调节部,其通过调整所述光源保持器的倾斜来调节所述光源的姿势,并且所述姿态调整部具有倾斜部和倾斜传送部,并且调整所述光源保持器相对于 所述基座通过沿着所述倾斜部分的倾斜表面移位与所述倾斜传送部分相对应的所述倾斜部分的邻接位置。
    • 4. 发明申请
    • Laser Scanning Optical Device
    • 激光扫描光学装置
    • US20120268802A1
    • 2012-10-25
    • US13434687
    • 2012-03-29
    • Yasushi NagasakaNaoki TajimaTakahiro Matsuo
    • Yasushi NagasakaNaoki TajimaTakahiro Matsuo
    • G02B26/10
    • G02B26/124
    • The laser scanning optical device comprises: a light source; a collimator lens; a light source holder; a lens holder; a light source unit holder; a first rotation axis; and a second rotation axis. The light source includes a plurality of light emitting points. The collimator lens converts diverging rays irradiated from the light source into parallel rays. The light source holder holds the light source. The lens holder holds the collimator lens. The light source unit holder holds the light source holder and the lens holder. The first rotation axis rotates the collimator lens with respect to an ideal optical axis. The second rotation axis rotates the light source unit holder while constantly maintaining a positional relationship between the light source holder and the lens holder.
    • 激光扫描光学装置包括:光源; 准直透镜; 光源支架; 镜头架; 光源单元支架; 第一旋转轴; 和第二旋转轴。 光源包括多个发光点。 准直透镜将从光源照射的发散光线转换为平行光线。 光源支架保持光源。 透镜架固定准直透镜。 光源单元保持器保持光源保持器和透镜保持器。 第一旋转轴相对于理想的光轴旋转准直透镜。 第二旋转轴旋转光源单元保持器,同时保持光源保持器和透镜保持器之间的位置关系。
    • 7. 发明授权
    • Laser beam scanning optical apparatus having means for generating moire
fringes
    • 具有用于产生莫尔条纹的装置的激光束扫描光学装置
    • US5856669A
    • 1999-01-05
    • US696066
    • 1996-08-13
    • Yasushi NagasakaKenji TakeshitaHiroshi HiraguchiJun KohsakaNobuo KanaiKeiji Ogoh
    • Yasushi NagasakaKenji TakeshitaHiroshi HiraguchiJun KohsakaNobuo KanaiKeiji Ogoh
    • B41J2/44B41J2/47G02B26/10G02B26/12G02B27/60
    • B41J2/471G02B26/128G02B27/60
    • A laser beam scanning optical apparatus which has Moire fringes generating elements which is located near a position optically equivalent to a scanning surface and modulates a laser beam emitted from a laser source to generate Moire fringes. The Moire fringes generating elements comprises, for example, a first filter which has spatial grating and a second filter which has spatial grating which slants slightly with respect to the spatial grating of the first filter, the first filter and the second filter being arranged upstream and downstream respectively in an optical path. The laser beam scanning optical apparatus further has a light receiving element for receiving the Moire fringes generated by the Moire fringes generating elements. Focusing means for correcting a position of an image point of the laser beam is driven in accordance with an output of the light receiving element. For example, the light receiving element is a photoelectric element with a plurality of light receiving surfaces, each of which generates an electric signal in accordance with the laser beam incident thereto, and from a phase difference between the electric signals, the position of the image point is detected.
    • 一种激光束扫描光学装置,其具有位于光学上等同于扫描表面的位置附近的莫尔条纹产生元件,并且调制从激光源发射的激光束以产生莫尔条纹。 莫尔条纹生成元件包括例如具有空间光栅的第一滤光器和具有相对于第一滤光器的空间光栅稍微倾斜的空间光栅的第二滤光器,第一滤光器和第二滤光器布置在上游, 分别在光路中。 激光束扫描光学装置还具有用于接收由莫尔条纹生成元件产生的莫尔条纹的光接收元件。 根据光接收元件的输出来驱动用于校正激光束的图像点的位置的聚焦装置。 例如,光接收元件是具有多个光接收表面的光电元件,每个光接收表面根据入射到其的激光束产生电信号,并且根据电信号之间的相位差,图像的位置 点检测。