ZA201004263B - An led driver method for traffic lanterns - Google Patents

An led driver method for traffic lanterns

Info

Publication number
ZA201004263B
ZA201004263B ZA2010/04263A ZA201004263A ZA201004263B ZA 201004263 B ZA201004263 B ZA 201004263B ZA 2010/04263 A ZA2010/04263 A ZA 2010/04263A ZA 201004263 A ZA201004263 A ZA 201004263A ZA 201004263 B ZA201004263 B ZA 201004263B
Authority
ZA
South Africa
Prior art keywords
led driver
driver method
lanterns
traffic
traffic lanterns
Prior art date
Application number
ZA2010/04263A
Inventor
Malcolm Young
Original Assignee
Aldridge Traffic Systems Pty Ltd
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
Priority claimed from AU2007906653A external-priority patent/AU2007906653A0/en
Application filed by Aldridge Traffic Systems Pty Ltd filed Critical Aldridge Traffic Systems Pty Ltd
Publication of ZA201004263B publication Critical patent/ZA201004263B/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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • 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
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/24—Circuit arrangements for protecting against overvoltage
ZA2010/04263A 2007-12-03 2010-06-15 An led driver method for traffic lanterns ZA201004263B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2007906653A AU2007906653A0 (en) 2007-12-03 An LED driver method for traffic lanterns
PCT/AU2008/001778 WO2009070828A1 (en) 2007-12-03 2008-12-03 An led driver method for traffic lanterns

Publications (1)

Publication Number Publication Date
ZA201004263B true ZA201004263B (en) 2011-04-28

Family

ID=40717186

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2010/04263A ZA201004263B (en) 2007-12-03 2010-06-15 An led driver method for traffic lanterns

Country Status (6)

Country Link
EP (1) EP2229667A1 (en)
CN (1) CN101896951A (en)
AU (1) AU2008331420B2 (en)
NZ (1) NZ586130A (en)
WO (1) WO2009070828A1 (en)
ZA (1) ZA201004263B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102024340B (en) * 2010-12-30 2013-06-26 广东大榕树信息科技有限公司 Traffic light monitoring device and monitoring method thereof
US9524641B2 (en) 2011-03-22 2016-12-20 GE Lighting Solutions, LLC LED traffic signal fault logging system and method
CN102956110B (en) * 2011-08-19 2014-12-10 中国长城计算机深圳股份有限公司 LED traffic signal lamp and drive circuit thereof
CN106304462A (en) * 2016-07-26 2017-01-04 合肥联信电源有限公司 A kind of emergency lighting lamp fault protection circuit
CN107633696A (en) * 2017-09-18 2018-01-26 南昌金科交通科技股份有限公司 A kind of system of Contrast tuned imaging traffic lights
CN112085957A (en) * 2019-05-27 2020-12-15 云南金隆伟业电子有限公司 Multifunctional traffic signal lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2724749A1 (en) * 1994-09-15 1996-03-22 Sofrela Sa LED lamps with integral controller for road traffic control signals
GB9708861D0 (en) * 1997-04-30 1997-06-25 Signal House Limited Traffic signals
US6583731B2 (en) * 2001-04-19 2003-06-24 Singapore Technologies Electronics Ltd. Fault detection for traffic light systems using electronic lighting elements

Also Published As

Publication number Publication date
EP2229667A1 (en) 2010-09-22
AU2008331420A1 (en) 2009-06-11
WO2009070828A9 (en) 2010-11-25
WO2009070828A1 (en) 2009-06-11
NZ586130A (en) 2013-10-25
CN101896951A (en) 2010-11-24
AU2008331420B2 (en) 2013-10-24

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