DK2445318T3 - LED signal lamp with constant current operation - Google Patents

LED signal lamp with constant current operation

Info

Publication number
DK2445318T3
DK2445318T3 DK10187788.4T DK10187788T DK2445318T3 DK 2445318 T3 DK2445318 T3 DK 2445318T3 DK 10187788 T DK10187788 T DK 10187788T DK 2445318 T3 DK2445318 T3 DK 2445318T3
Authority
DK
Denmark
Prior art keywords
constant current
signal lamp
current operation
led signal
led
Prior art date
Application number
DK10187788.4T
Other languages
Danish (da)
Inventor
Kassen Oldewurtel
Original Assignee
Thales Deutschland Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales Deutschland Gmbh filed Critical Thales Deutschland Gmbh
Application granted granted Critical
Publication of DK2445318T3 publication Critical patent/DK2445318T3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
    • H05B45/3577—Emulating the dimming characteristics, brightness or colour temperature of incandescent lamps
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
DK10187788.4T 2010-10-15 2010-10-15 LED signal lamp with constant current operation DK2445318T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10187788.4A EP2445318B1 (en) 2010-10-15 2010-10-15 LED signal lamp with constant current operation

Publications (1)

Publication Number Publication Date
DK2445318T3 true DK2445318T3 (en) 2013-07-29

Family

ID=43243696

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10187788.4T DK2445318T3 (en) 2010-10-15 2010-10-15 LED signal lamp with constant current operation

Country Status (5)

Country Link
EP (1) EP2445318B1 (en)
DK (1) DK2445318T3 (en)
ES (1) ES2426033T3 (en)
RS (1) RS52884B (en)
SI (1) SI2445318T1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013108689B3 (en) * 2013-08-11 2014-11-13 Pintsch Bamag Antriebs- Und Verkehrstechnik Gmbh Circuit for controlling the power consumption of an LED unit and LED light with such a LED unit
CN107734784B (en) * 2017-09-27 2024-04-23 泉芯电子技术(深圳)有限公司 Control method of LED constant current source system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10164561B4 (en) * 2001-12-14 2004-03-04 Siemens Ag Circuit arrangement for operating an LED signal
AU2005222987B9 (en) * 2004-03-15 2009-10-22 Signify North America Corporation Power control methods and apparatus
DE602005004167T2 (en) * 2005-11-18 2008-12-24 Thales Rail Signalling Solutions Gmbh Electrical circuit for LED signal lamps with a switching threshold for switching between daytime and nighttime operation
CN101316467B (en) * 2008-02-21 2013-09-25 上海铁路局科学技术研究所 Duplexed LED point type light source colour lamp signal machine control circuit

Also Published As

Publication number Publication date
EP2445318A1 (en) 2012-04-25
RS52884B (en) 2014-02-28
ES2426033T8 (en) 2013-11-15
EP2445318B1 (en) 2013-05-29
ES2426033T3 (en) 2013-10-18
SI2445318T1 (en) 2013-10-30

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