Patent · US Expired

Electronic ballast having resonance excitation for generating a transfer voltage

US7145293B2 · kind B2 · utility

5Cited by

9References

6Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Alois Braun · Neubukow, DE
Young G. Kang · Vernon Hills, US
Walter Limmer · Birkenfeld, DE
Joachim Mühlschlegel · Drolshagen, DE

Key dates

Filing date	Apr 8, 2005
Grant date	Dec 5, 2006
Priority date	—
Expiry date	Apr 8, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to an electronic ballast, to an illumination device including the electronic ballast and an associated high-pressure discharge lamp, and to a corresponding operating method for a high-pressure discharge lamp, in which resonance excitation is used to generate a voltage-increased power for a transfer phase of the lamp Lp after starting.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.