Bifunctional high intensity discharge projector headlamp
US6186651A · kind A · utility
33Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Jul 21, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/686
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A projector headlamp utilizing only a single HID bulb for projecting light in a forward direction generally along a horizontal axis selectably between low beam and high beam conditions while shifting the hot spot as required between these conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.