Patent · US Active

Circuit arrangement and method for operating high-pressure discharge lamps

US7560878B2 · kind B2 · utility

0Cited by

5References

16Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Franz Bernitz · Unterhaching, DE
Christian Breuer · Newburyport, US
Andreas Huber · Holzgerlingen, DE
Kai Wolter · Berlin, DE

Key dates

Filing date	Jun 9, 2006
Grant date	Jul 14, 2009
Priority date	—
Expiry date	Jul 26, 2027

Classification

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

Abstract

High-pressure discharge lamps may explode at the end of their life. In order to be able to predict an explosion, the gradient of the operating voltage is evaluated. If a risk of explosion is detected, the lamp operation is interrupted.

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