Title:
METHOD FOR STARTING A HIGH-PRESSURE DISCHARGE LAMP
Document Type and Number:
WIPO Patent Application WO/2012/037973
Kind Code:
A3
Abstract:
The invention relates to a method for starting a high-pressure discharge lamp by means of a starter having a starting capacitor, a starting switch and a starting transformer, said method comprising the following temporally successive steps: - charging the starting capacitor to a predetermined voltage, - closing the starting switch, - opening the starting switch before the current through the starting switch, in terms of the fundamental of said current, reaches zero for the first time. The starting switch is actively switched off in the process under current, which results in a high starting voltage.
Inventors:
MUEHLSCHLEGEL JOACHIM (DE)
Application Number:
PCT/EP2010/063954
Publication Date:
May 24, 2012
Filing Date:
September 22, 2010
Export Citation:
Assignee:
OSRAM AG (DE)
MUEHLSCHLEGEL JOACHIM (DE)
MUEHLSCHLEGEL JOACHIM (DE)
International Classes:
H05B41/288
Domestic Patent References:
| WO2006011097A1 | 2006-02-02 | |||
| WO1999005892A1 | 1999-02-04 | |||
| WO2004098244A1 | 2004-11-11 |
Foreign References:
| EP0390699A1 | 1990-10-03 | |||
| EP1686837A1 | 2006-08-02 | |||
| DE19923263A1 | 2000-11-23 | |||
| DE102004045834A1 | 2006-03-23 |
Attorney, Agent or Firm:
OSRAM AG (Postfach 22 13 17, München, DE)
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