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    • 7. 发明授权
    • Reflective scanning optical system
    • 反光扫描光学系统
    • US07433095B2
    • 2008-10-07
    • US10867808
    • 2004-06-16
    • Takashi IizukaShohei Matsuoka
    • Takashi IizukaShohei Matsuoka
    • H04N1/04H04N1/46
    • G02B26/126B41J2/471
    • In a reflective scanning optical system employing an imaging optical system having a curved mirror with a rotationally symmetrical reflecting surface configuration, the change in magnification of the imaging optical system in the auxiliary scanning direction is reduced and thereby the beam spot diameter on the scan target surface is equalized, as well as equalizing the scan line interval on the scan target surface when the system is applied to a multibeam scanning optical system. The imaging optical system of the reflective scanning optical system includes a curved mirror with a rotationally symmetrical reflecting surface and a lens having an anamorphic lens surface configuration on its one side. In the anamorphic lens surface configuration, slope and curvature of the line of intersection of the lens surface and a plane parallel to the auxiliary scanning cross section change independently of each other as the position in the main scanning direction changes.
    • 在采用具有旋转对称反射面构造的曲面镜的成像光学系统的反射型扫描光学系统中,成像光学系统在辅助扫描方向上的放大率的变化减小,从而扫描对象面上的光点直径 均衡,并且当系统应用于多光束扫描光学系统时,将扫描目标表面上的扫描线间隔相等。 反射扫描光学系统的成像光学系统包括具有旋转对称反射表面的曲面镜和在其一侧具有变形透镜表面形状的透镜。 在变形透镜表面构造中,随着主扫描方向的位置改变,透镜表面和平行于辅助扫描横截面的平面的交点的倾斜和曲率彼此独立地改变。
    • 8. 发明申请
    • Rotary filter type particulate removing device
    • 旋转式除尘装置
    • US20060150592A1
    • 2006-07-13
    • US10534363
    • 2002-11-11
    • Takashi Iizuka
    • Takashi Iizuka
    • B01D46/00
    • B01D53/944B01D45/14B01D46/0056B01D46/2411B01D50/002B01D2258/012F01N3/0214F01N3/0217F01N3/033F01N3/035F01N3/037F01N2240/06F01N2250/02F01N2290/06F01N2450/30
    • A rotary filter type particulate removing device is provided. A rotary cylinder (2) rotates in a stationary cylinder (1) to change an exhaust gas introduced into the stationary cylinder (1) to a circulating flow so as to apply a centrifugal force on particulates in the exhaust gas in order to collect the particulates circulating in the stationary cylinder (1) into a trap (15) provided at a lower part of the particulate removing device. A filter is located on an inner wall of the rotary cylinder (2) and a huge number of punching holes (8) are formed in the lateral wall of the rotary cylinder. A fan (7) is secured on the rotary cylinder (2) which projects to the outside from the stationary cylinder (1) to constitute a sirocco fan. The exhaust gas passes through the punching holes (8) of the rotary cylinder (2) and flows into the interior of the filter. The exhaust gas further flows towards the sirocco fan. Then, the exhaust gas passes the filter again, and is discharged to the outside through the punching holes (8) of the rotary cylinder (2).
    • 提供了一种旋转过滤器型除尘装置。 旋转气缸(2)在静止气缸(1)中旋转以将引入到静止气缸(1)中的排气改变为循环流,从而对废气中的微粒施加离心力,以收集颗粒 在静止筒(1)中循环到设置在微粒去除装置的下部的捕集器(15)中。 过滤器位于旋转圆筒(2)的内壁上,并且在旋转圆筒的侧壁中形成大量的冲孔(8)。 风扇(7)固定在从静止气缸(1)向外突出的旋转圆筒(2)上,以构成西洛克风扇。 废气通过旋转圆筒(2)的冲孔(8)并流入过滤器的内部。 废气进一步流向西洛克风扇。 然后,排气再次通过过滤器,并通过旋转圆筒(2)的冲孔(8)排出到外部。
    • 9. 发明授权
    • Scanning optical system
    • 扫描光学系统
    • US06975441B2
    • 2005-12-13
    • US11019222
    • 2004-12-23
    • Takashi Iizuka
    • Takashi Iizuka
    • B41J2/44G02B1/04G02B7/02G02B13/00G02B26/10G02B26/12H04N1/113G02B26/08
    • G02B26/125G02B26/124
    • A scanning optical system has a scanning optical apparatus, which is provided with a laser diode, a collimating lens that collimates a laser beam emitted by the laser diode, a support member that holds and supports the laser diode and the collimating lens, a deflection member that dynamically deflects the laser beam collimated by the collimating lens in a main scanning direction, and a plastic scanning lens that converges the deflected laser beam onto a target surface. The scanning optical apparatus is configured to satisfy following conditions: 10 t > fc ⁡ ( nc nc + 1 ) , where, f denotes a focal length of the scanning lens in the main scanning direction, fc denotes a focal length of the collimating lens, nc denotes a refractive index of the collimating lens, and t denotes a thickness of the collimating lens along an optical axis.
    • 扫描光学系统具有扫描光学装置,其设置有激光二极管,准直激光二极管发射的激光束的准直透镜,保持并支撑激光二极管和准直透镜的支撑构件,偏转构件 在主扫描方向上使由准直透镜准直的激光束动态偏转,并将偏转的激光束会聚到目标表面上的塑料扫描透镜。 扫描光学装置被配置为满足以下条件: / MN> << / MO> f fc ; fc nc 其中,f表示焦点 扫描透镜在主扫描方向上的长度,fc表示准直透镜的焦距,nc表示准直透镜的折射率,t表示准直透镜沿光轴的厚度。