Discharge lamp device for vehicle
US6351074B1 · kind B1 · utility
11Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2000 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Sep 5, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A steady-state condition in which respective discharge lamps for main beam and for dipped beam are both turned on, a sum (P1+P2) of a value of power supplied to each discharge lamp is controlled to be smaller than a sum (P1R+P2R) of a rated power value for each discharge lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.