Method and apparatus for driving multiple parallel discharge lamps
US8115402B2 · kind B2 · utility
8Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2009 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Jul 22, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method and apparatus for driving multiple parallel discharge lamps, which increases the switching frequency once the open lamp condition is detected to provide an output voltage that is high enough to ignite the lamp again.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.