EP 1202612 B1 20050629 - Lighting system with improved preheating of discharge lamps
Title (en)
Lighting system with improved preheating of discharge lamps
Title (de)
Beleuchtungssystem mit schonender Vorheizung von Gasentladungslampen
Title (fr)
Dispositif d'éclairage à préchauffage amélioré pour lampes à décharge
Publication
Application
Priority
DE 10053803 A 20001030
Abstract (en)
[origin: EP1202612A2] The system has an electronic operating device and a gas discharge lamp with coils. Each coil has a terminal connected to an impedance network whose impedance function has a null point at a frequency close to a frequency that the electronic operating device produces before ignition of the gas discharge lamp.
IPC 1-7
IPC 8 full level
H05B 41/295 (2006.01)
CPC (source: EP US)
H05B 41/295 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1202612 A2 20020502; EP 1202612 A3 20031119; EP 1202612 B1 20050629; AT E298970 T1 20050715; CA 2360052 A1 20020430; DE 10053803 A1 20020508; DE 50106617 D1 20050804; US 2002050797 A1 20020502; US 6788001 B2 20040907
DOCDB simple family (application)
EP 01123438 A 20010928; AT 01123438 T 20010928; CA 2360052 A 20011029; DE 10053803 A 20001030; DE 50106617 T 20010928; US 98371501 A 20011025