Multiple discharge lamp lighting apparatus
US7541747B2 · kind B2 · utility
2Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2005 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Jan 27, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/3611
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a multiple discharge lamp lighting apparatus, which includes an inverter and plurality of inverter transformer. In the multiple discharge lighting apparatus, a discharge lamp is connected to the secondary winding of each inverter transformer, a ballast impedance element is connected in series between a switch of the inverter and the primary winding of each inverter transformer, and a current balancing unit is provided between each two adjacent inverter transformers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.