EP 2146551 A3 20130306 - Control of LED lamp, in particular for railway signalisation
Title (en)
Control of LED lamp, in particular for railway signalisation
Title (de)
Ansteuerung für LED-Lichtquelle, insbesondere in der Eisenbahnbeleuchtung
Title (fr)
Contrôle de lampe à LEDs, en particulier pour la signalisation des chemins de fer
Publication
Application
Priority
DE 102008029725 A 20080623
Abstract (en)
[origin: EP2146551A2] The signal transmitter (1) has an light emitting diode driver (6), which is connected with the signal box by an at the input side and is connected with a light emitting diode light source (2) at the output side. The compensation output is applied to a circuit breaker looped in the current path of the light emitting diode driver.
IPC 8 full level
H05B 44/00 (2022.01); B61L 5/18 (2006.01); B61L 7/10 (2006.01); H05B 37/03 (2006.01)
CPC (source: EP US)
B61L 5/1881 (2013.01 - EP US); B61L 7/10 (2013.01 - EP); H05B 45/12 (2020.01 - EP US); H05B 47/20 (2020.01 - EP US); B61L 2207/02 (2013.01 - EP)
Citation (search report)
- [I] WO 2007036509 A1 20070405 - SIEMENS AG [DE], et al
- [A] WO 0139553 A1 20010531 - GELCORE COMPANY [CA], et al
- [A] EP 1787886 A1 20070523 - ALCATEL TRANSP SOLUTION D GMBH [DE]
- [A] EP 1777533 A1 20070425 - ALCATEL TRANSP SOLUTION D GMBH [DE]
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 TR
DOCDB simple family (publication)
EP 2146551 A2 20100120; EP 2146551 A3 20130306; EP 2146551 B1 20190403; DE 102008029725 A1 20100107
DOCDB simple family (application)
EP 09162493 A 20090611; DE 102008029725 A 20080623