ATE442027T1 - Sichere opto-elektronische ausfallerkennung für hochleistungsleuchtdioden - Google Patents

Sichere opto-elektronische ausfallerkennung für hochleistungsleuchtdioden

Info

Publication number
ATE442027T1
ATE442027T1 AT06291643T AT06291643T ATE442027T1 AT E442027 T1 ATE442027 T1 AT E442027T1 AT 06291643 T AT06291643 T AT 06291643T AT 06291643 T AT06291643 T AT 06291643T AT E442027 T1 ATE442027 T1 AT E442027T1
Authority
AT
Austria
Prior art keywords
transistor
led
light
unit
photo detection
Prior art date
Application number
AT06291643T
Other languages
English (en)
Inventor
Heinz Telefont
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE442027T1 publication Critical patent/ATE442027T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Semiconductor Lasers (AREA)
AT06291643T 2006-10-23 2006-10-23 Sichere opto-elektronische ausfallerkennung für hochleistungsleuchtdioden ATE442027T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06291643A EP1916879B1 (de) 2006-10-23 2006-10-23 Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden

Publications (1)

Publication Number Publication Date
ATE442027T1 true ATE442027T1 (de) 2009-09-15

Family

ID=37857154

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06291643T ATE442027T1 (de) 2006-10-23 2006-10-23 Sichere opto-elektronische ausfallerkennung für hochleistungsleuchtdioden

Country Status (3)

Country Link
EP (1) EP1916879B1 (de)
AT (1) ATE442027T1 (de)
DE (1) DE602006008961D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2084687B1 (de) * 2006-07-21 2019-09-04 McDermott, Vernon C. Sr. Lampen- oder led-ausfallüberwachungssystem
EP2237644B1 (de) 2009-04-01 2011-06-08 Thales Security Solutions & Services GmbH Überwachungseinheit für eine Hochleistungs-LED und Signalisierungsvorrichtung
EP2580942A1 (de) * 2010-06-08 2013-04-17 Koninklijke Philips Electronics N.V. Ausfallsicheres beleuchtungssystem
CN105554967A (zh) * 2016-02-26 2016-05-04 周芸 公园游园接近延时型半亮全亮led路灯
CN108601182B (zh) * 2018-06-14 2020-08-25 中车株洲电力机车有限公司 一种机车外部照明控制装置
EP3939855A1 (de) * 2020-07-13 2022-01-19 ALSTOM Transport Technologies System und verfahren zur hinweisen von fahrzeugen oder fussgängern auf die anwesenheit eines schienenfahrzeugs entlang einer strecke
CN113630936A (zh) * 2021-09-15 2021-11-09 北京德嘉共创科技有限公司 一种新型铁路信号led点灯电路及其工作方法
CN119414209A (zh) * 2024-11-14 2025-02-11 精电(河源)显示技术有限公司 显示器电路的故障检测装置、方法、显示器及电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3209938B2 (ja) * 1997-01-10 2001-09-17 富士通株式会社 発光素子の保護装置及び発光素子の保護方法
GB9708861D0 (en) * 1997-04-30 1997-06-25 Signal House Limited Traffic signals
ATA9882002A (de) * 2002-07-02 2005-07-15 Siemens Ag Oesterreich Schaltung zur überwachung der ströme in einer mehrzahl von stromzweigen eines netzwerkes
NL1023460C2 (nl) * 2003-05-19 2006-06-13 Etap Nv Verlichtingstoestel.
DE10358993B4 (de) * 2003-12-16 2008-09-25 Signalbau Huber Gmbh Lichtsignalgeber und Lichtsignalanlage mit einem Lichtsignalgeber
JP4771354B2 (ja) * 2004-09-17 2011-09-14 株式会社小糸製作所 車両用灯具の点灯制御回路

Also Published As

Publication number Publication date
DE602006008961D1 (de) 2009-10-15
EP1916879A1 (de) 2008-04-30
EP1916879B1 (de) 2009-09-02

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