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    • 92. 发明授权
    • Projector
    • 投影机
    • US06805450B2
    • 2004-10-19
    • US09985605
    • 2001-11-05
    • Kazuhiro NishidaTomiyoshi Ushiyama
    • Kazuhiro NishidaTomiyoshi Ushiyama
    • G03B2128
    • G03B21/28
    • The invention achieves a reduction in size of a projector by shortening a length of an optical path of an illuminating optical system in a projector using an emitting direction control-type optical modulation device as compared to that of a conventional illuminating optical system, and thus, improves the illumination efficiencies of the illuminating optical system. An illuminating optical system includes a light source, a first lens array having a plurality of first small lenses for dividing light emitted from the light source into a plurality of partial light beam fluxes, and a second lens array having a plurality of second small lenses corresponding to the plurality of first small lenses. In addition, the illuminating optical system includes an optical element such that an outline shape of an emitting surface is a quadrilateral having first and second diagonal lines of different lengths. The quadrilateral of the optical element is set so that the ratio of two diagonal lines of a quadrilateral illumination region to which the illumination light is applied comes closer to 1 than the ratio of the lengths of the first and second diagonal lines.
    • 本发明通过使用发光方向控制型光调制装置与常规照明光学系统相比缩短投影仪中的照明光学系统的光路的长度来实现投影仪的尺寸的缩小, 提高照明光学系统的照明效率。 一种照明光学系统,包括光源,第一透镜阵列,具有多个第一小透镜,用于将从光源发射的光分成多个部分光束;以及第二透镜阵列,具有对应于多个第二小透镜的第二透镜阵列 到多个第一小透镜。 此外,照明光学系统包括光学元件,使得发射表面的轮廓形状是具有不同长度的第一和第二对角线的四边形。 光学元件的四边形被设定为使得施加照明光的四边形照明区域的两条对角线的比率比第一和第二对角线的长度的比例接近1。
    • 94. 发明授权
    • Automatic pipeline switching device
    • 自动流水线切换装置
    • US5505496A
    • 1996-04-09
    • US327697
    • 1994-10-24
    • Kazuhiro NishidaHirokazu SaitoKunihiko FukawaKiyokazu Fujiwara
    • Kazuhiro NishidaHirokazu SaitoKunihiko FukawaKiyokazu Fujiwara
    • F17D1/14B67D7/78F17D3/03F16L41/00
    • B67D7/78
    • In an automatic pipeline switching device, first connecting joints of a plurality of material receiving pipes are arranged in one line in an X-axis direction, and second connecting joints of a plurality of material feeding pipes are held at a standby region such that they are arranged in one line in a Z-axis direction perpendicular to the X-axis direction. The feeding pipes include rigid pipes extending in a Y-axis direction perpendicular to the X-axis and Z-axis directions, first flexible hoses extending in the Z-axis direction, and second flexible hoses extending in the X-axis direction. The rigid pipes, first flexible hoses and second flexible hoses are connected, in the stated order, to the second connecting joints, respectively. The rigid pipes are arranged in the standby region, and made larger in length with increasing distance from an origin of the X-axis, the Y-axis and Z-axis to prevent interference of the flexible hoses with each other. A device is provided for moving the holder, in the X-axis and Z-axis directions, to the standby region, where the holder picks up a selected one of the second connecting joints, and moves it to a selected one of the first connecting joints to be connected therewith.
    • 在自动流水线切换装置中,多个材料接收管的第一连接接头在X轴方向上排列成一列,多个送料管的第二连接接头保持在备用区域, 沿与X轴方向垂直的Z轴方向排成一行。 给料管包括沿垂直于X轴和Z轴方向的Y轴方向延伸的刚性管,沿Z轴方向延伸的第一柔性软管和沿X轴方向延伸的第二柔性软管。 刚性管道,第一柔性软管和第二柔性软管分别按照所述顺序连接到第二连接接头。 刚性管布置在备用区域中,并且随着与X轴,Y轴和Z轴的原点的距离的增加而使其长度更大,以防止柔性软管彼此的干涉。 提供了一种用于将支架沿X轴和Z轴方向移动到备用区域的装置,其中保持器拾取所选择的第二连接接头中的一个,并将其移动到所选择的第一连接 要连接的接头。