Automobile headlight with reduced heating of the cover glass
US4308574A · kind A · utility
2Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 1978 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Dec 8, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/43
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an automobile headlight comprising a light source, a reflector and a cover glass, wherein zones of the reflector giving rise to a concentration of the rays reflected on the cover glass are concealed, thus minimizing the heating of the glass, without substantially disturbing the luminous efficacy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.