Head-light
A technology for headlamps and light sources, applied in the field of headlamps, can solve the problems of difficulty in forming a luminosity distribution pattern, low efficiency, etc.
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[0033] Embodiments of the present invention will be described below using the drawings. figure 1 It is a perspective view of the appearance of a headlight according to an embodiment of the present invention. The headlight 10 is mounted on a bicycle, and projects light forward from a front lens 5 including a center lens 6 .
[0034] Figure 2 is figure 1 An exploded view of part of the headlamp. The front lens 5 includes a central lens 6 and is integrally formed with a mounting portion 12 for mounting the front lens on a frame (not shown). The central lens 6 is divided into a strip lens 6b and a concentric circular lens 6a.
[0035] Behind the above-mentioned front lens, there are provided a polygon mirror 3 and a cylindrical convex lens 2 surrounded by the polygon mirror. In order to make this cylindrical convex lens function as a convex lens with a very thin thickness, a Fresnel lens is used. In the Fresnel lens 2, a light source 1 emitting light from a tungsten wire (not...
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