Stabilizer circuit for high-voltage discharge lamp
US7276862B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2005 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | Dec 22, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S315/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stabilizer circuit for a high-voltage discharge lamp is provided. The stabilizer comprises an electromagnetic interference (EMI) filter; a rectifying unit; a power factor correction (PFC) circuit; a buck converter; a commutator; an igniter; a high-voltage discharge lamp; a current detector; a voltage detector; an igniter voltage controller for receiving the voltage output from the igniter and controlling the voltage when abnormality in the high-voltage discharge lamp occurs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.