EP 2208403 A1 20100721 - OPERATING DEVICE FOR CONTROLLING THE WARM-UP TIME OF A LAMP
Title (en)
OPERATING DEVICE FOR CONTROLLING THE WARM-UP TIME OF A LAMP
Title (de)
BETRIEBSGERÄT ZUM STEUERN DES EINBRENNVORGANGES EINER LAMPE
Title (fr)
APPAREIL DE COMMANDE POUR COMMANDER LE PROCESSUS D'AMORÇAGE D'UNE LAMPE
Publication
Application
Priority
- EP 2008008319 W 20081001
- DE 102007047141 A 20071002
Abstract (en)
[origin: WO2009046914A1] The invention relates to an operating device (12) for operating at least one lamp (10), said device comprising at least one input (16a, 16b, 17a, 17b) for receiving brightness control information (21, 22) and an output (23) for controlling a power supply circuit (2) for feeding the lamp (10), wherein the control of the power supply circuit (2) is carried out as a function of the received brightness control information (21, 22), except for during a warm-up time of the lamp (10) during which the power supply circuit (2) is controlled such that the brightness of the lamp (10) does not fall below a minimum permissible brightness level.
IPC 8 full level
H05B 41/392 (2006.01)
CPC (source: EP)
H05B 41/3921 (2013.01)
Citation (search report)
See references of WO 2009046914A1
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
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DE 102007047141 A1 20090409; CN 101816220 A 20100825; CN 101816220 B 20141029; EP 2208403 A1 20100721; EP 2208403 B1 20130717; WO 2009046914 A1 20090416
DOCDB simple family (application)
DE 102007047141 A 20071002; CN 200880110096 A 20081001; EP 08802735 A 20081001; EP 2008008319 W 20081001