Vehicle lamp

Details Vehicle lamp Vehicle lamp

1996-07-26

1998-03-17

Cariaso, Alan

Illumination

Light source and modifier

Including reflector

362 61, 362309, 362346, 362348, F21V 706

Patent

active

057278741

ABSTRACT:
A vehicle lamp includes a reflection mirror, a front lens, and a light source arranged between the reflection mirror and the front lens in such a manner that the central axis of the light source is perpendicular to the principal optical axis. The reflection mirror is composed of a reflection surface having a large number of reflection steps which are defined by portions of paraboloids of revolution and are disposed between adjacent ones of lines of intersection obtained between a group of the paraboloids of revolution having different focal distances and a fundamental reflection surface of the reflection surface. Each reflection step is arranged to be extended substantially in the vertical direction, and square lens steps are formed on the front lens. Due to the foregoing, an arrangement tendency with respect to a set of projected images of the light source formed by the reflection step is matched with a section of the lens step on the front lens.

REFERENCES:
patent: 1903417 (1933-04-01), Grant
patent: 4417300 (1983-11-01), Bodmer
patent: 4459647 (1984-07-01), Yamauchi et al.
patent: 4530042 (1985-07-01), Cibie et al.
patent: 4779179 (1988-10-01), Oyama et al.
patent: 4864476 (1989-09-01), Lemons et al.
patent: 4972307 (1990-11-01), Takatsuji et al.
patent: 5034867 (1991-07-01), Mayer
patent: 5079677 (1992-01-01), Kumagai
patent: 5406464 (1995-04-01), Saito

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