Headlight of a motor vehicle for both high-beam and low-beam ope

Details Headlight of a motor vehicle for both high-beam and low-beam ope Headlight of a motor vehicle for both high-beam and low-beam ope

1992-06-29

1993-06-01

Lazarus, Ira S.

Illumination

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

Tie rod element controlled

362211, 362297, 362304, 362346, B60Q 104

Patent

active

052153681

ABSTRACT:
The headlight for a motor vehicle operable to produce a high-beam light distribution and a low-beam light distribution, has a reflector divided into an upper sector, a lower sector, a right sector and a left sector; an incandescent lamp with two axially-extending filaments mounted in the reflector, the filaments being spaced from each other and spaced approximately equally from the reflector peak; and a glass pane over a light aperture of the reflector. The upper sector and lower sector of the reflector are each shaped like a paraboloid-ellipsoid and the left sector and right sector are each parabolic. One filament is arranged along or close to and below the optic axis of the reflector to produce a high-beam light distribution when energized in operation and the other filament is arranged above the optic axis and to the right in relation to an issuing light beam to produce a low-beam light distribution in operation without additional optic devices in the glass pane covering the aperture.

REFERENCES:
patent: 2253615 (1941-08-01), Falge et al.
patent: 4755919 (1988-07-01), Lindae et al.
patent: 4945453 (1990-07-01), Serizawa et al.
patent: 5055981 (1991-10-01), Nino
patent: 5060120 (1991-10-01), Kobayashi et al.

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