AU4850099A - Ac powered led circuits for traffic signal displays - Google Patents

Ac powered led circuits for traffic signal displays

Info

Publication number
AU4850099A
AU4850099A AU48500/99A AU4850099A AU4850099A AU 4850099 A AU4850099 A AU 4850099A AU 48500/99 A AU48500/99 A AU 48500/99A AU 4850099 A AU4850099 A AU 4850099A AU 4850099 A AU4850099 A AU 4850099A
Authority
AU
Australia
Prior art keywords
traffic signal
powered led
led circuits
signal displays
displays
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU48500/99A
Inventor
Welles Reymond
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU4850099A publication Critical patent/AU4850099A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • 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
    • H05B45/35—Balancing circuits
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • H05B45/395—Linear regulators
    • 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
    • H05B45/31—Phase-control circuits
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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]
AU48500/99A 1999-06-29 1999-06-29 Ac powered led circuits for traffic signal displays Abandoned AU4850099A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/014876 WO2001001385A1 (en) 1999-06-29 1999-06-29 Ac powered led circuits for traffic signal displays

Publications (1)

Publication Number Publication Date
AU4850099A true AU4850099A (en) 2001-01-31

Family

ID=22273099

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48500/99A Abandoned AU4850099A (en) 1999-06-29 1999-06-29 Ac powered led circuits for traffic signal displays

Country Status (2)

Country Link
AU (1) AU4850099A (en)
WO (1) WO2001001385A1 (en)

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DE10140331C2 (en) 2001-08-16 2003-11-06 Siemens Ag Traffic control light signals and method for monitoring the function of such a sign
US6853150B2 (en) * 2001-12-28 2005-02-08 Koninklijke Philips Electronics N.V. Light emitting diode driver
EP1520263B1 (en) * 2002-06-27 2007-08-15 Jose Monzo Light emitting device, in particular traffic signal light emitting device, which is composed of light emitting diodes
DE10235811B4 (en) * 2002-06-27 2004-05-19 Jose Monzo Light emission device, in particular traffic signal light emission device, which is constructed with light-emitting diodes
US20040212309A1 (en) * 2003-01-23 2004-10-28 St-Germain Nicolas Intelligent LED traffic signals modules
JP2007527047A (en) * 2003-06-30 2007-09-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Single LED drive device for traffic lights
US10575376B2 (en) 2004-02-25 2020-02-25 Lynk Labs, Inc. AC light emitting diode and AC LED drive methods and apparatus
US10499465B2 (en) 2004-02-25 2019-12-03 Lynk Labs, Inc. High frequency multi-voltage and multi-brightness LED lighting devices and systems and methods of using same
WO2011143510A1 (en) 2010-05-12 2011-11-17 Lynk Labs, Inc. Led lighting system
EP1752022A1 (en) * 2004-05-19 2007-02-14 Polybrite International, Inc. Dimming circuit for led lighting device with means for holding triac in conduction
CN100551180C (en) 2004-06-03 2009-10-14 皇家飞利浦电子股份有限公司 AC driven light-emitting diodes
GB2421633B (en) * 2004-12-21 2007-02-14 Richard Peter James Barton Lamp assembly for pulse operation
DE102005023502B3 (en) * 2005-05-18 2006-12-21 Siemens Ag Circuit arrangement for current supply of light emitting diodes and/or light emitting diode chains, has inductor connected with light emitting diodes and/or light emitting diode chains that are antiparallelly switched
FR2891106A1 (en) * 2005-09-20 2007-03-23 Patrick Courteix LEDs supplying and connecting method for producing lamp e.g. automobile lamp, involves connecting LEDs in series and associating Zener diode in parallel on each LED, where diode presents Zener voltage value greater than LED voltage
DE102006024607A1 (en) * 2006-05-26 2007-11-29 Bayerische Motoren Werke Ag Light system for motor vehicle, has two branches, where one branch is parallelly connected or adjustable to other branch, where bridge section is provided for adjustably connecting of two branches
US11297705B2 (en) 2007-10-06 2022-04-05 Lynk Labs, Inc. Multi-voltage and multi-brightness LED lighting devices and methods of using same
US11317495B2 (en) 2007-10-06 2022-04-26 Lynk Labs, Inc. LED circuits and assemblies
CN101489333A (en) * 2008-01-14 2009-07-22 杨泰和 Uni-directional light emitting diode drive circuit in pulsed power non-resonance
US8063587B2 (en) * 2008-01-14 2011-11-22 Tai-Her Yang Bi-directional light emitting diode drive circuit in bi-directional power parallel resonance
CN101489339B (en) * 2008-01-14 2014-07-02 杨泰和 Bi-directional light emitting diode drive circuit in bi-directional divided power impedance
US20090224688A1 (en) * 2008-03-07 2009-09-10 Tai-Her Yang Unipolar (dis)charging led drive method and circuit thereof
TWI508630B (en) * 2008-03-07 2015-11-11 Tai Her Yang Bipolar (dis)charging led drive circuit
US8237590B2 (en) 2008-04-28 2012-08-07 GE Lighting Solutions, LLC Apparatus and method for reducing failures in traffic signals
EP2289142B1 (en) 2008-06-17 2014-03-12 Philips Intellectual Property & Standards GmbH Harmonic compensation circuit and method for an led light unit
US8174212B2 (en) 2008-11-30 2012-05-08 Microsemi Corp.—Analog Mixed Signal Group Ltd. LED string driver with light intensity responsive to input voltage
BRPI1009712A8 (en) 2009-06-17 2017-12-05 Koninklijke Philips Electronics Nv LIGHTING DEVICE THAT ALLOWS VARIATION OF LED INTENSITY
DE112009005089A5 (en) * 2009-07-21 2013-04-11 Ralf Hitzing illuminant
US20110260636A1 (en) * 2009-10-09 2011-10-27 Samoilenko Iurii N Led lamp
US8686668B2 (en) 2009-10-26 2014-04-01 Koninklijke Philips N.V. Current offset circuits for phase-cut power control
US8283875B2 (en) 2009-10-26 2012-10-09 Light-Based Technologies Incorporated Holding current circuits for phase-cut power control
CN102163602B (en) 2010-02-16 2015-01-14 东芝照明技术株式会社 Light-emitting device and lighting apparatus provided with the same
EP2588123A2 (en) 2010-06-30 2013-05-08 Compugen Ltd. C1orf32 for the treatment of multiple sclerosis, rheumatoid arthritis and other autoimmune disorders
DE102010033640B4 (en) 2010-08-06 2018-07-12 Austriamicrosystems Ag Circuit arrangement and method for operating light-emitting diodes and illumination arrangement
ES2536284T3 (en) 2010-10-19 2015-05-22 Koninklijke Philips N.V. LED retrofit lamp
WO2013026053A1 (en) 2011-08-18 2013-02-21 Lynk Labs, Inc. Devices and systems having ac led circuits and methods of driving the same
US9247597B2 (en) 2011-12-02 2016-01-26 Lynk Labs, Inc. Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same
US10230307B2 (en) * 2012-03-15 2019-03-12 Philips Lighting Holding B.V. Shunt device in lighting control system without neutral wire
US9306387B2 (en) 2012-09-28 2016-04-05 Marvell World Trade Ltd. Current limiting circuit and method for LED driver
DE102013102312B3 (en) * 2013-03-08 2014-07-03 Vossloh-Schwabe Deutschland Gmbh Operating circuit for operating light-emitting module at power source, has protective circuit that is switched only into conductive state by control signal, if applied voltage on current limiting circuit exceeds threshold level
CN103198791A (en) * 2013-03-22 2013-07-10 深圳市天微电子有限公司 Light-emitting diode (LED) display device
EP2814302A1 (en) * 2013-06-10 2014-12-17 OSRAM GmbH Lighting module and corresponding lighting system
GB2517455B (en) * 2013-08-20 2016-11-02 Harvard Eng Plc Lighting Apparatus
WO2017173453A1 (en) 2016-04-01 2017-10-05 The Brigham And Women's Hospital, Inc. Stimuli-responsive nanoparticles for biomedical applications
DE102016206316A1 (en) * 2016-04-14 2017-10-19 Ledvance Gmbh Illuminant with at least one LED
CN106102234A (en) * 2016-07-04 2016-11-09 芯海科技（深圳）股份有限公司 A kind of LED drive circuit
CN106686832B (en) * 2017-02-24 2019-04-02 杰华特微电子（杭州）有限公司 A kind of diode control circuit and switching power circuit
US11079077B2 (en) 2017-08-31 2021-08-03 Lynk Labs, Inc. LED lighting system and installation methods
TWI633806B (en) * 2017-10-16 2018-08-21 鈺瀚科技股份有限公司 Led driving circuit using high voltage

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US4321598A (en) * 1980-07-21 1982-03-23 The Singer Company Double density display drive system
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US5187377A (en) * 1988-07-15 1993-02-16 Sharp Kabushiki Kaisha LED array for emitting light of multiple wavelengths
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Also Published As

Publication number Publication date
WO2001001385A1 (en) 2001-01-04

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase