Lighting device of the elliptical type for an automobile
US6874923B2 · kind B2 · utility
10Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2002 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Oct 30, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2102/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention concerns a lighting device for an automobile, comprising a light source situated at the first focus of a reflector of the elliptical type, a convergent lens being disposed in front of the light source so that the second focus of the elliptical reflector is contained in the object focal plane of the convergent lens, the first and second foci of the elliptical reflector defining an optical axis of the lighting device.According to the present invention, an obscuring element is disposed substantially perpendicular to the optical axis and at a distance from the object focal plane of the convergent lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.