Automobile headlamp with inclined front glass

Details Automobile headlamp with inclined front glass Automobile headlamp with inclined front glass

1984-03-02

1986-08-26

Wolfe, W. R.

Illumination

Sound equipment illuminator

362309, F21M 318, F21V 502

Patent

active

046086234

ABSTRACT:
A headlamp for an automobile comprising a light source (F.sub.C) a reflector (F) co-operating with this light source in order to reflect in a direction of emission a beam of substantially parallel rays, and a front glass (G) for dispersion and diffusion interposed in the path of the light rays, this glass being inclined with respect to the direction of emission. The glass has on its internal face, correcting optical elements (10) the active surface (11) of each of which is defined by the intersection of a prism inclined by an angle .alpha. with respect to the vertical plane passing through the direction of emission and having an angle .beta. at the apex, and a cylindrical rib having an axis parallel to the prism and a radius r, in such a way that the inclination .alpha. of the prism compensates for the effect of vertical deflection caused by the inclination of the glass.

REFERENCES:
patent: 2568494 (1951-09-01), Geissbuhler
patent: 4238817 (1980-12-01), Fratty
patent: 4272801 (1981-06-01), Fratty
patent: 4369488 (1983-01-01), Brun
patent: 4446511 (1984-05-01), Sands
patent: 4456948 (1984-06-01), Brun

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