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    • 71. 发明申请
    • Scanning optical apparatus
    • 扫描光学仪器
    • US20070120947A1
    • 2007-05-31
    • US11598444
    • 2006-11-13
    • Hideki Okamura
    • Hideki Okamura
    • B41J15/14
    • B41J2/471G02B26/125
    • [PROBLEMS]To provide a scanning optical apparatus, not requiring a lens in a complex figure, and also, capable of eliminating the bow of a beam light even when a plurality of correcting lenses are in an identical figure. [MEANS FOR SOLVING PROBLEMS]Beam light L falls on Cross section K perpendicular to Rotational axis 1a of Polygon mirror 1 at an angle of 2° or less. When such an incident angle condition is satisfied, the figure of a cross section in the sub scanning direction of Scanning lens 9 is formed in a spherical surface figure, and also, the curvature of Incident surface 9a and Outputting surface 9b in the sub scanning direction is monotonically changed according to the position in the main scanning direction with respect to the distance from the predetermined center position in the main scanning direction.
    • 本发明提供一种扫描光学装置,不需要复杂图形中的透镜,并且即使当多个校正透镜处于相同的图形时也能够消除光束的光束。 [解决问题的手段]光束L落在垂直于2°以下角度的多边形镜1的旋转轴线1a的截面K. 当满足这样的入射角条件时,扫描透镜9的副扫描方向的横截面的形状形成为球面图形,并且子像素中的入射面9a和曲面9b的曲率 扫描方向根据主扫描方向上相对于从主扫描方向上的预定中心位置的距离的位置而单调变化。
    • 74. 发明申请
    • Scanning assemblies, printing devices, and related methods
    • 扫描组件,打印设备和相关方法
    • US20050030367A1
    • 2005-02-10
    • US10636878
    • 2003-08-07
    • B. Hirst
    • B. Hirst
    • B41J15/14B41J27/00G02B26/12H02K17/16
    • G02B26/121H02K17/16
    • Scanning assemblies, printing devices, and related methods are described. In one embodiment, pole pieces are configured to be coupled with an input voltage source that can produce phase-shifted input voltages, the pole pieces defining at least first and second phases. A rotor is operably associated with the pole pieces for rotation. The pole pieces and the rotor are configured as an induction drive system in which a rotational force for rotating the rotor is produced through interaction of rotor-induced eddy currents from each of the first and second phases with respective magnetic fluxes of the other of the first and second phases.
    • 描述了扫描组件,打印设备和相关方法。 在一个实施例中,极片被配置为与可以产生相移输入电压的输入电压源耦合,极片限定至少第一和第二相。 转子可操作地与极片相关联以进行旋转。 磁极片和转子被构造为感应驱动系统,其中用于旋转转子的旋转力通过来自第一和第二相中的每一个的转子诱发的涡流的相互作用产生,其中第一和第二相中的另一个的相应磁通量 和第二阶段。
    • 78. 发明授权
    • Near-infrared laser focusing lens and laser printing device
    • 近红外激光聚焦镜头和激光打印设备
    • US09533514B2
    • 2017-01-03
    • US14439360
    • 2012-10-31
    • HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.HAN'S CNC SCIENCE AND TECHNOLOGY CO., LTD.
    • Jiaying LiChaoming ZhouBo SunYunfeng Gao
    • B41J15/14B41J27/00B41J2/455G02B9/60G02B13/14G02B13/24G02B13/18B41J2/435H01S3/02
    • B41J2/455B41J2/435G02B9/60G02B13/14G02B13/18G02B13/24H01S3/02
    • A near-infrared laser focusing lens and a laser printing device are provided. The lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens (L1, L2, L3, L4, L5) which are coaxially arranged along a transmission direction of incident light rays, wherein the first lens (L1) is a negative plane-concave lens; the second lens and the third lens (L2, L3) are positive biconvex lenses; and the fourth lens and the fifth lens (L4, L5) are positive meniscus lenses; and a concave surface (S2) of the first lens (L1) is opposite to the second lens (L2), and the middle parts of the fourth lens and the fifth lens (L4, L5) both reversely protrude towards the transmission direction of light beams. After the shapes and the relative locations of the lenses are designed, the near infrared light can be clearly imaged, and the geometrical aberration of the lens can be effectively corrected, so as to obtain a clear flat field. In addition, because of having a large relative aperture and visual field and a long working distance, the lens is a microscope objective simultaneously having a large visual field, a large relative aperture, a long working distance and a flat field, and is capable of improving printing precision and clarity, so that the color rendition is truer and the operation is more convenient.
    • 提供近红外激光聚焦透镜和激光打印装置。 透镜包括沿入射光线的透射方向同轴布置的第一透镜,第二透镜,第三透镜​​,第四透镜和第五透镜(L1,L2,L3,L4,L5),其中第一透镜 (L1)是负平面凹透镜; 第二透镜和第三透镜(L2,L3)是正双凸透镜; 第四透镜和第五透镜(L4,L5)是正弯月形透镜; 并且所述第一透镜(L1)的凹面(S2)与所述第二透镜(L2)相反,并且所述第四透镜和所述第五透镜(L4,L5)的中间部分朝向所述透光方向反向突出 梁。 在设计透镜的形状和相对位置之后,可以清晰地对近红外光进行成像,并且可以有效地校正透镜的几何像差,从而获得清晰的平坦场。 另外,由于具有较大的相对孔径和视野以及长的工作距离,所以透镜是同时具有大视场,大的相对孔径,长工作距离和平坦场的显微镜物镜,并且能够 提高打印精度和清晰度,使颜色再现更真实,操作更方便。