Patent · US Expired

Circuit arrangement for operating light sources

US7061781B2 · kind B2 · utility

5Cited by

5References

9Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Markus Heckmann · Munich, DE
Harald Schmitt · Hersbruck, DE

Key dates

Filing date	Jan 7, 2005
Grant date	Jun 13, 2006
Priority date	—
Expiry date	Jan 24, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B70/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a circuit arrangement for operating light sources, inexpensive technologies for power factor correction can be used in combination. A resonant capacitor in a reactance network for coupling the light source is of dual design (C51, C52). A degree of freedom is thus produced which makes it possible to optimize the costs of the circuit arrangement.

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