Global Patent Index - EP 1665905 B8

EP 1665905 B8 2009-02-18 - CIRCUIT ARRANGEMENT AND METHOD OF OPERATING A GAS DISCHARGE LAMP

Title (en)

CIRCUIT ARRANGEMENT AND METHOD OF OPERATING A GAS DISCHARGE LAMP

Title (de)

SCHALTUNGSANORDNUNG UND VERFAHREN ZUM BETRIEB EINER GASENTLADUNGSLAMPE

Title (fr)

AGENCEMENT DE CIRCUIT ET PROCEDE DE COMMANDE D'UNE LAMPE A DECHARGE DANS UN GAZ

Publication

EP 1665905 B8 (EN)

Application

EP 04769952 A

Priority

  • IB 2004051702 W
  • EP 03103434 A
  • EP 04769952 A

Abstract (en)

[origin: WO2005027592A1] The invention relates to a circuit arrangement for operating a gas discharge lamp with a current. According to the invention, the current comprises a high-frequency AC component and a low-frequency AC component.

IPC 8 full level (invention and additional information)

H05B 41/38 (2006.01); H05B 41/292 (2006.01)

CPC (invention and additional information)

H05B 41/2928 (2013.01); H05B 41/38 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family

WO 2005027592 A1 20050324; AT 406786 T 20080915; CN 1853450 A 20061025; DE 602004016184 D1 20081009; EP 1665905 A1 20060607; EP 1665905 B1 20080827; EP 1665905 B8 20090218; JP 2007506240 A 20070315; US 2007024208 A1 20070201