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    • 5. 发明授权
    • Headlight for vehicle
    • 汽车头灯
    • US5718505A
    • 1998-02-17
    • US731206
    • 1996-10-10
    • Hans DaumuellerKarl-Otto DoblerRainer NeumannFrieder LiedtkeJohannes BertlingHenning HogrefeGerd BahnmuellerMartin Lampen
    • Hans DaumuellerKarl-Otto DoblerRainer NeumannFrieder LiedtkeJohannes BertlingHenning HogrefeGerd BahnmuellerMartin Lampen
    • F21V11/12F21V11/14F21V11/16F21V14/08F21V13/10
    • F21S48/1773F21S48/145F21V11/12F21V11/14
    • A headlight for vehicles has a light source, a reflector having at least two different reflector regions including a first reflector region which reflects a light emitted by the light source as a converging light beam to form low beam and a second reflector region formed so that light emitted by the light source and reflected by the second reflector region together with the light emitted by the light source and reflected by the first reflector region form high beam, a lens arranged after the reflector in a light outlet direction so that at least the light which forms low beam passes through the lens, and a screening device arranged between the reflector and the lens, the screening device having a stationary screening part and a movable screening part, the movable screening part being movable between a position for low beam in which light forming low beam can pass along the movable screening part and a position for high beam in which additionally the light reflected by the second reflector region can pass along the movable screening part at least partially, so that in the position for low beam an edge of the screening device forms a bright-dark limit of low beam, the screening parts each having a plurality of openings formed so that in the position of the movable screening part for low beam the movable screening part covers the openings of the stationary screening part, and in the position for high beam the openings of the movable screening part coincide with the openings of the stationary screening part at least approximately so that the screening device forms throughgoing openings for the light.
    • 用于车辆的前灯具有光源,具有至少两个不同反射器区域的反射器,所述反射器区域包括反射由光源发射的光作为会聚光束以形成近光束的第一反射器区域和形成为使得光 由光源发射并由第二反射器区域反射的光和由第一反射器区域反射并由第一反射器区域反射的光形成远光束;透镜,设置在反射器之后的光出射方向上,使得至少 形成低光束通过透镜,以及布置在反射器和透镜之间的屏蔽装置,该屏蔽装置具有固定屏蔽部分和可移动屏蔽部分,该可移动屏蔽部分可在光束形成位置 远光束可以沿着可移动屏蔽部分和远光束的位置传递,其中另外由第二反射镜反射的光 至少部分地沿着可移动的遮蔽部件通过,使得在用于近光束的位置中,筛分装置的边缘形成近光束的明暗极限,所述筛分部件各自具有多个开口, 用于近梁的可移动遮蔽部分的位置可移动遮蔽部分覆盖固定屏蔽部分的开口,并且在用于远光的位置中,可移动屏蔽部分的开口至少大致相等于固定屏蔽部分的开口 筛选装置形成通过光的开口。