Motor vehicle headlight including an improved light source

Details Motor vehicle headlight including an improved light source Motor vehicle headlight including an improved light source

1991-01-24

1992-06-23

Husar, Stephen F.

Illumination

Vehicle steering mechanism or element moves pivoted lamp or...

Tie rod element controlled

362263, 362303, B60Q 104

Patent

active

051248913

ABSTRACT:
A motor vehicle headlight comprising: a light source; a first reflector of the ellipsoid kind having a first focus situated in the vicinity of the source; a mask passing through the second focus of the first reflector and presenting a light-passing window in the vicinity of said second focus, the shape of the window being fixed and predetermined so as to define a virtual light source whose light emission pattern corresponds essentially to said shape; and a second reflector situated on the opposite side of the mask to the first reflector and having a surface which itself determines the positions of the images of the virtual source as a function of a determined photometric distribution. The headlight is particularly suitable for use with an arc lamp that is required to co-operate with a reflector capable itself of generating a beam with a sharp cutoff.

REFERENCES:
patent: 1300202 (1919-04-01), Stubblefield

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