发明名称 Motor vehicle main beam headlamp incorporating an elliptical reflector and a parabolic reflector
摘要 A headlamp of the type comprising: a light source (10); a two-focus elliptical reflector (20) having a base focus (F1) and a front focus (F2), said base focus being disposed in the vicinity of said light source and close to the base of the reflector, and said front focus being disposed in front of said base focus; and a parabolic reflector (30) having its focus (F2) in the vicinity of said front focus of said elliptical reflector. The base of the elliptical reflector is provided with an opening for directly passing light from said light source, and a first sector (40) of a parabolic type reflector is provided with its focus in the vicinity of said light source and is disposed to reflect such light after passing through said opening along the vehicle axis direction (31, 41) to increase the on-axis main beam light intensity.
申请公布号 US4680679(A) 申请公布日期 1987.07.14
申请号 US19860853060 申请日期 1986.04.17
申请人 CIBIE PROJECTEURS 发明人 DILOUYA, GILBERT
分类号 F21S8/10;F21V7/00;(IPC1-7):B60Q1/04 主分类号 F21S8/10
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