Method and device for driving a metal halide lamp

A gas discharge lamp (2) is operated with an alternating current. A positive lamp current (Ip) is generated with a positive current intisity (Ip) for a positive duration ( p). A negative lamp current (IN) is genrated with a negative current intensity (IN) for a negative duration ( N). A duty cycle (...

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Bibliographische Detailangaben
1. Verfasser:	HENDRIX, JOHAN LEOPOLD VICTORINA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A gas discharge lamp (2) is operated with an alternating current. A positive lamp current (Ip) is generated with a positive current intisity (Ip) for a positive duration ( p). A negative lamp current (IN) is genrated with a negative current intensity (IN) for a negative duration ( N). A duty cycle (D= p/( p + N)) differs from 50%. A current ratio (R=Ip/IN) differs from 1.