Patent · US Expired

Stabilizer circuit for high-voltage discharge lamp

US7276862B2 · kind B2 · utility

3Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2005
Grant dateOct 2, 2007
Priority date
Expiry dateDec 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.