Patent · US Active

Circuit for controlling a fluorescent lamp, method for operating the circuit, and system comprising the circuit

US8319446B2 · kind B2 · utility

0Cited by

5References

15Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Wolfgang Hierl · Kirchweidach, DE
Thomas Pollischansky · Stadtbergen, DE
Bernhard Schemmel · Weßling, DE
Harald Schmitt · Hersbruck, DE
Raphael Stocker · Munich, DE
Arwed Storm · Dachau, DE

Key dates

Filing date	Apr 19, 2007
Grant date	Nov 27, 2012
Priority date	—
Expiry date	Dec 13, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH05B41/2985
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In various embodiments, a circuit for driving a fluorescent lamp is provided. The circuit may include a half bridge including a first switch and a second switch; a drive unit for driving the first switch and the second switch, it being possible for a predetermined state to be established using the drive unit, and it being possible for the driving of the first and the second switch to be modulated as a result of the predetermined state using the drive unit.

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