Discharge lamp lighting apparatus and luminaire
US7345434B2 · kind B2 · utility
0Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2006 |
| Grant date | Mar 18, 2008 |
| Priority date | — |
| Expiry date | Mar 24, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B41/2825
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A discharge lamp lighting apparatus, comprises a DC power supply, an inverter circuit, connected to the DC power supply, and provided with at least two switching devices, and a discharge lamp energized by the inverter circuit, wherein one switching device has an on-duty complementarily different with an on-duty of the other switching device, and wherein the inverter circuit executes a switching operation in that the on-duty of the one switching device substitutes with the on-duty of the other switching device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.