Motor vehicle headlight with high-pressure gas discharge lamp
US6607288B2 · kind B2 · utility
0Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1998 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Sep 14, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V23/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An automotive headlight with a high-pressure gas discharge lamp arranged inside a reflector contains an electronic ballast in a housing for operation of the high-pressure gas discharge lamp. The housing dissipates heat generated by the electronic unit in particular and possibly also by the high-pressure gas discharge lamp and provides an electromagnetic shield against any resulting electronic radiation. Cooling ribs may be provided on the housing to aid in heat dissipation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.