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    • 8. 发明授权
    • Automobile headlamp reflector
    • 汽车前照灯反光罩
    • US6010233A
    • 2000-01-04
    • US987271
    • 1997-12-09
    • R. Stephen MulderRichard G. Tuck
    • R. Stephen MulderRichard G. Tuck
    • F21V7/00B60Q1/04
    • F21S48/1358
    • An interchangeable headlamp reflector and light bulb unit is provided which can be used as part of various automotive headlamp assemblies. The surface of the reflector is defined mathematically by considering the optical path differences between a ray of light from a light source and a ray of light from a vertical cylindrical axis. The reflector is made of a low number of individual segments that each define a certain portion of the resulting beam of light. Each segment has light rays that extend parallel to the ground and diverge horizontally, thus minimizing possible hot spots on the lens of the reflector assembly.
    • 提供了可互换的前照灯反射器和灯泡单元,其可以用作各种汽车前照灯组件的一部分。 通过考虑来自光源的光线与来自垂直圆柱轴的光线之间的光程差,数学地限定反射体的表面。 反射器由少量的各个段组成,每个段限定所得光束的某一部分。 每个段具有平行于地面延伸并且水平分开的光线,从而最小化反射器组件的透镜上的可能的热点。
    • 9. 发明授权
    • Reflector for vehicular headlight
    • 汽车头灯反光罩
    • US5390097A
    • 1995-02-14
    • US236248
    • 1994-05-02
    • Naohi Nino
    • Naohi Nino
    • F21S8/10F21V7/00
    • F21S48/1358
    • A vehicular headlight reflector for forming a low beam light-distribution pattern by effectively utilizing the entire reflecting surface, and providing a light-distribution control function so that a pattern image generated substantially by a lower half surface of the reflector is located below the horizontal line and as close to the horizontal line as possible. A filament is arranged between a focus F of a reference parabola and a reference point D offset from the focus F so that its central axis extends in parallel with an axis passing through the parabola vertex O and the reference point D. A virtual paraboloid is assumed for each arbitrary point P on the reference parabola, the virtual paraboloid having an optical axis that extends in parallel with a light ray vector of a reflected light ray obtained when a light ray assumed to have been emitted from the reference point D and reflected at the point P, passing through the point P, and having the point D as its focus. A reflecting surface is formed as a collection of intersecting lines obtained when the virtual paraboloid is cut by a plane including the light ray vector and being parallel with the vertical axis (z-axis). Projected images of the light source are located so as to move around a rotation center on the horizontal line with a movement of representative points on an intersecting line in the reflecting surface.
    • 一种用于通过有效地利用整个反射表面形成近光配光图案的车辆用大灯反射器,并提供配光控制功能,使得基本上由反射器的下半面产生的图案图像位于水平线的下方 并尽可能靠近水平线。 灯丝布置在参考抛物线的焦点F和偏离焦点F的参考点D之间,使得其中心轴线平行于穿过抛物线顶点O和参考点D的轴线延伸。假设虚拟抛物面 对于参考抛物线上的每个任意点P,虚拟抛物面具有光轴,该光轴与当假设已经从参考点D发射并在该点处反射的光线获得的反射光线的光线矢量平行延伸 点P,通过点P,并且以点D为焦点。 反射表面形成为当虚拟抛物面被包括光线矢量并且与垂直轴(z轴)平行的平面切割时获得的相交线的集合。 光源的投影图像位于水平线上的旋转中心周围,在反射面上的交叉线上具有代表点的移动。
    • 10. 发明授权
    • Motor vehicle headlight, suitable for emitting a beam limited by a
cut-off, and including a modified rear portion
    • 机动车头灯,适用于发射由截止限制的光束,并包括改装的后部
    • US4803601A
    • 1989-02-07
    • US140241
    • 1987-12-31
    • Patrice CollotBernard Luciani
    • Patrice CollotBernard Luciani
    • F21S8/10F21V7/00F21V7/09F21V13/00F21V14/02F21V14/04
    • F21S48/1358F21S48/1172
    • A motor vehicle headlight of the type suitable for emitting at least one beam that is delimited by a top cut-off and that includes an approximately central concentration spot, the headlight comprising: a filament lamp (100); a reflector (200); and a closure glass (300); the headlight including the improvements whereby said reflector comprises: at least two lateral zones (202, 202') that form small images of the filament defining said concentration spot and forming said cut-off; and a central zone (201, 201, 203, 203') which reflects the light rays emitted by the filament to cause them to converge in a region at a substantial distance from the closure glass while simultaneously forming large filament images which are spread out below said cut-off; with said lateral zones and said central zone joining one another with second order continuity in two essentially vertical planes that are parallel to a central optical axis of the headlight and are disposed on either side thereof.
    • 一种适用于发射至少一个由顶部截止部分界定并且包括大致中心浓度点的光束的机动车辆头灯,所述头灯包括:灯丝灯(100); 反射器(200); 和封闭玻璃(300); 所述前灯包括改进,其中所述反射器包括:至少两个横向区域(202,202'),其形成限定所述浓度点的长丝的小图像并形成所述截止; 以及反射由灯丝发射的光线的中心区域(201,201,203,203'),使得它们在距离封闭玻璃相当远的区域中会聚,同时形成分布在下面的大的细丝图像 说截止 其中所述侧向区域和所述中心区域彼此连接,在与前灯的中心光轴平行的两个基本上垂直的平面中具有二阶连续性,并且设置在其两侧。