Global Patent Index - EP 2289289 B1

EP 2289289 B1 20130814 - CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING A LIGHT SOURCE

Title (en)

CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING A LIGHT SOURCE

Title (de)

SCHALTUNGSANORDNUNG UND VERFAHREN ZUM BETREIBEN EINER LICHTQUELLE

Title (fr)

CIRCUIT ET PROCÉDÉ POUR FAIRE FONCTIONNER UNE SOURCE DE LUMIÈRE

Publication

EP 2289289 B1 20130814 (DE)

Application

EP 08760995 A 20080613

Priority

EP 2008057466 W 20080613

Abstract (en)

[origin: WO2009149763A1] The invention relates to a method for operating at least one light source, wherein the input voltage is converted into an alternative output voltage, the alternative output voltage operating at least one light source and the frequency of the output voltage being modulated with a triangular modulation signal when the input voltage is a DC voltage.

IPC 8 full level

H05B 41/295 (2006.01)

CPC (source: EP US)

H05B 41/2928 (2013.01 - EP US); H05B 41/2988 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2009149763 A1 20091217; CN 102067735 A 20110518; CN 102067735 B 20150930; EP 2289289 A1 20110302; EP 2289289 B1 20130814; US 2011163692 A1 20110707

DOCDB simple family (application)

EP 2008057466 W 20080613; CN 200880129812 A 20080613; EP 08760995 A 20080613; US 99786508 A 20080613