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    • 7. 发明授权
    • Shadow-free lamp assembly
    • 无阴影灯组件
    • US4459647A
    • 1984-07-10
    • US461160
    • 1983-01-26
    • Osamu YamauchiKazuomi Hoashi
    • Osamu YamauchiKazuomi Hoashi
    • F21V7/04A61C19/00F21S2/00F21S8/00F21V7/06F21V7/09F21V7/00
    • F21V7/09F21S8/08F21V7/048F21V21/04F21W2131/202Y10S362/804
    • A shadow-free lamp assembly comprises a plurality of plane mirror segments disposed on a basic paraboloidal reflecting surface, and a linear light source. Each of the plane mirror segments has a length of the short span of the paraboloidal reflecting surface as its long side and is continuously disposed next to each other along the long span of the paraboloidal reflecting surface and the light source is disposed in reflecting direction forward from the focus of the paraboloidal reflecting surface, whereby all mirror segments reflect light from the light source to produce irradiation patterns illuminating the single illumination area. Because of the overlapped illumination by the plurality of the mirror segments, shadow is not produced on the illumination area when reflected light is partially intercepted.
    • 无阴影灯组件包括设置在基本抛物面反射表面上的多个平面镜片段和线性光源。 每个平面镜片段具有作为其长边的抛物面反射表面的短跨度的长度,并且沿着抛物面反射表面的长跨度彼此相邻地设置,并且光​​源以反射方向设置在 抛物面反射面的焦点,由此所有的镜片段反射来自光源的光,以产生照射单个照明区域的照射图案。 由于多个镜片段的重叠照明,当反射光被部分遮挡时,不会在照明区域产生阴影。