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    • 4. 发明授权
    • Vehicle lamp reflecting mirror and a method of manufacturing the same
    • 车灯反射镜及其制造方法
    • US5931575A
    • 1999-08-03
    • US762818
    • 1996-12-09
    • Norimasa YamamotoNorihiro NishitaniYoshiaki Furuya
    • Norimasa YamamotoNorihiro NishitaniYoshiaki Furuya
    • F21S8/10F21V7/00F21V7/06F21V7/09B60Q1/04
    • F21S48/137
    • A light emitting reference point is set for a light source attached to a reflecting mirror having an opening on one end thereof, and it is assumed that a point light source is set on the reference point. Then, a reference surface formed as a set of half lines extending from the reference point to an arbitrary point on a front end edge of a socket arranged so as to interrupt rays of light from the point light source. Then, a partial surface of the basic surface of a reflective surface around the socket is arranged so that the partial surface projects more frontward than the reference surface, and a curved form of the partial surface is arranged so that the rays of light emitted from the point reach everywhere on the surface. Then, a group of paraboloids of revolution formed by a number of paraboloids of revolution whose focal distances are different from one another, is prepared, and intersecting lines between the basic surface and the group of paraboloids of revolution are obtained. Finally, a number of reflecting steps are formed on the basic surface between adjacent ones of the intersecting lines. The reflecting steps are defined by parts of the individual paraboloids of revolution.
    • 针对安装在其一端具有开口的反射镜的光源设置发光参考点,并且假设点光源被设置在参考点上。 然后,形成为从基准点延伸到插座的前端边缘上的任意点的一半行的参考表面,其布置成中断来自点光源的光线。 然后,布置围绕插座的反射表面的基面的部分表面,使得部分表面比参考表面更向前突出,并且布置部分表面的弯曲形式,使得从 点到达无处不在的表面。 然后,准备一组由多个焦距不同的旋转抛物面形成的旋转抛物面,并且获得基本表面和旋转抛物面组之间的相交线。 最后,在相邻的相交线之间的基本表面上形成多个反射步骤。 反映步骤由革命的单个抛物面的部分定义。
    • 9. 发明授权
    • Vehicular lamp
    • 车灯
    • US08376597B2
    • 2013-02-19
    • US13162971
    • 2011-06-17
    • Junya NakataAsami NakadaYoshiaki Furuya
    • Junya NakataAsami NakadaYoshiaki Furuya
    • F21V8/00
    • F21S43/245F21S43/237
    • A vehicular lamp includes a lamp outer case formed by a cover and a lamp housing; a light source disposed inside the lamp outer case; and a light guide that guides light emitted from the light source, wherein the light guide is shaped as a column. The light guide includes a first extension portion that extends on a horizontal plane side, and a second extension portion that extends on a vertical plane side with respect to a reference line that extends in a direction inclined 45 degrees with respect to the horizontal plane. An outer surface of the light guide includes an incident surface to which light emitted from the light source is incident, an internal reflection surface that internally reflects light incident from the incident surface, and a radiation surface that is formed as an outward-convexly curved surface and radiates at least light reflected by the internal reflection surface. ρ1 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the first extension portion extends, ρ2 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the second extension portion extends, and ρ1 is smaller than ρ2.
    • 车灯包括由外壳和灯壳形成的灯外壳; 设置在灯外壳内的光源; 以及引导从光源发射的光的光导,其中,光导被成形为柱。 导光体包括在水平面上延伸的第一延伸部分和相对于沿相对于水平面倾斜45度的方向延伸的参考线在垂直平面侧上延伸的第二延伸部分。 光导的外表面包括从光源射出的光入射到的入射面,内部反射面,其内部反射从入射面入射的光,以及辐射面,形成为外凸曲面 并且至少辐射由内反射面反射的光。 1是在与第一延伸部分延伸的方向垂直的横截面中的辐射表面的曲率,2是垂直于第二延伸部分的方向的横截面中的辐射表面的曲率 扩展,&rgr; 1小于&rgr; 2。
    • 10. 发明申请
    • VEHICULAR LAMP
    • 车灯
    • US20110310630A1
    • 2011-12-22
    • US13162971
    • 2011-06-17
    • Junya NakataAsami NakadaYoshiaki Furuya
    • Junya NakataAsami NakadaYoshiaki Furuya
    • F21V8/00
    • F21S43/245F21S43/237
    • A vehicular lamp includes a lamp outer case formed by a cover and a lamp housing; a light source disposed inside the lamp outer case; and a light guide that guides light emitted from the light source, wherein the light guide is shaped as a column. The light guide includes a first extension portion that extends on a horizontal plane side, and a second extension portion that extends on a vertical plane side with respect to a reference line that extends in a direction inclined 45 degrees with respect to the horizontal plane. An outer surface of the light guide includes an incident surface to which light emitted from the light source is incident, an internal reflection surface that internally reflects light incident from the incident surface, and a radiation surface that is formed as an outward-convexly curved surface and radiates at least light reflected by the internal reflection surface. ρ1 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the first extension portion extends, ρ2 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the second extension portion extends, and ρ1 is smaller than ρ2.
    • 车灯包括由外壳和灯壳形成的灯外壳; 设置在灯外壳内的光源; 以及引导从光源发射的光的光导,其中,光导被成形为柱。 导光体包括在水平面上延伸的第一延伸部分和相对于沿相对于水平面倾斜45度的方向延伸的参考线在垂直平面侧上延伸的第二延伸部分。 光导的外表面包括从光源射出的光入射到的入射面,内部反射面,其内部反射从入射面入射的光,以及辐射面,形成为外凸曲面 并且至少辐射由内反射面反射的光。 1是在与第一延伸部分延伸的方向垂直的横截面中的辐射表面的曲率,2是垂直于第二延伸部分的方向的横截面中的辐射表面的曲率 扩展,&rgr; 1小于&rgr; 2。