Headlight device for vehicle

Details Headlight device for vehicle Headlight device for vehicle

1989-04-03

1990-04-10

Lazarus, Ira S.

Illumination

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

Tie rod element controlled

362297, 362346, F21V 700

Patent

active

049165852

ABSTRACT:
A headlight device comprising a reflective mirror having a reflective zone consisting of a plurality of reflective elements, and a light source arranged along an axis of irradiation which extends in the fore and aft direction of the reflective mirror. The reflective elements constituting the reflective zone are formed to have parabola-ellipse composite surfaces. The composite surface is defined to have a parabola in the vertical section and an ellipse in the horizontal section.

REFERENCES:
patent: 1691131 (1928-11-01), Ryder
patent: 3986017 (1976-10-01), Kulle
patent: 4100594 (1978-07-01), Gould
patent: 4149227 (1979-04-01), Dorman
patent: 4511955 (1985-04-01), Ernst et al.
patent: 4517630 (1985-05-01), Dieffenbach et al.
patent: 4669032 (1987-05-01), Lietar et al.
patent: 4697225 (1987-09-01), Lindae et al.
patent: 4772987 (1988-09-01), Kretschmer et al.
patent: 4779179 (1988-10-01), Oyama et al.

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