Elliptical headlamp with enlarged illuminating area

Details Elliptical headlamp with enlarged illuminating area Elliptical headlamp with enlarged illuminating area

1998-11-03

2000-12-05

Husar, Stephen

Illumination

Supported by vehicle structure

Light modifier

362332, 362521, 362538, 362539, F21V 500

Patent

active

061557021

ABSTRACT:
A motor vehicle headlamp comprises an ellipsoidal reflector with two focus regions, a light source in the region of the first focus and a convergent lens focused on the region of the second focus. At least one optical plate exposed to light emitted directly by the light source includes an optical processing arrangement which returns at least a part of the direct light into the illumination field of the headlamp. An intermediate framework part fixed to the reflector is provided between the reflector and the lens and the intermediate part includes an arrangement for fixing the optical plate. Applications include elliptical headlamps with an enlarged illuminating area.

REFERENCES:
patent: 4722023 (1988-01-01), Arima et al.
patent: 4797790 (1989-01-01), Brodling et al.
patent: 4814950 (1989-03-01), Nakata
patent: 4922385 (1990-05-01), Bockeler et al.
patent: 4949226 (1990-08-01), Makita et al.
patent: 5117335 (1992-05-01), Yamada
patent: 5353204 (1994-10-01), Kawamura
patent: 5718505 (1998-02-01), Daumueller et al.

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