Global Patent Index - EP 2380408 A1

EP 2380408 A1 20111026 - DETECTOR CIRCUIT AND METHOD FOR CONTROLLING A FLUORESCENT LAMP

Title (en)

DETECTOR CIRCUIT AND METHOD FOR CONTROLLING A FLUORESCENT LAMP

Title (de)

DETEKTORSCHALTUNG UND VERFAHREN ZUR ANSTEUERUNG EINER LEUCHTSTOFFLAMPE

Title (fr)

CIRCUIT DE DÉTECTION ET PROCÉDÉ POUR COMMANDER UN TUBE FLUORESCENT

Publication

EP 2380408 A1 20111026 (DE)

Application

EP 09752360 A 20091113

Priority

  • EP 2009065085 W 20091113
  • DE 102009004851 A 20090116

Abstract (en)

[origin: WO2010081570A1] The invention relates to a detector circuit for controlling a fluorescent lamp, wherein an inactive fluorescent lamp can be detected if a first signal is present at a first input and/or a second signal is present at a second input in a detection interval after a start-up phase. The invention further relates to a ballast and to a method for actuating the at least one fluorescent lamp.

IPC 8 full level

H05B 41/298 (2006.01)

CPC (source: EP KR US)

H05B 41/298 (2013.01 - KR); H05B 41/2985 (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 MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

WO 2010081570 A1 20100722; CN 102282914 A 20111214; CN 102282914 B 20150415; DE 102009004851 A1 20100729; EP 2380408 A1 20111026; EP 2380408 B1 20130227; KR 20110107854 A 20111004; US 2012019146 A1 20120126; US 8736188 B2 20140527

DOCDB simple family (application)

EP 2009065085 W 20091113; CN 200980154679 A 20091113; DE 102009004851 A 20090116; EP 09752360 A 20091113; KR 20117019010 A 20091113; US 200913144535 A 20091113