HK1092002A1 - System and method for reducing flicker of compact gas discharge lamps at low lamp light output level - Google Patents

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Info

Publication number
HK1092002A1
HK1092002A1 HK06108127.3A HK06108127A HK1092002A1 HK 1092002 A1 HK1092002 A1 HK 1092002A1 HK 06108127 A HK06108127 A HK 06108127A HK 1092002 A1 HK1092002 A1 HK 1092002A1
Authority
HK
Hong Kong
Prior art keywords
gas discharge
lamp
light output
output level
clamp
Prior art date
Application number
HK06108127.3A
Other languages
English (en)
Inventor
Venkatesh Chitta
Original Assignee
Lutron Electronics Co
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 Lutron Electronics Co filed Critical Lutron Electronics Co
Publication of HK1092002A1 publication Critical patent/HK1092002A1/xx

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
HK06108127.3A 2003-07-30 2006-07-20 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level HK1092002A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/630,995 US7061191B2 (en) 2003-07-30 2003-07-30 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level
PCT/US2004/021009 WO2005015961A1 (en) 2003-07-30 2004-06-30 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Publications (1)

Publication Number Publication Date
HK1092002A1 true HK1092002A1 (en) 2007-01-26

Family

ID=34103956

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06108127.3A HK1092002A1 (en) 2003-07-30 2006-07-20 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Country Status (10)

Country Link
US (3) US7061191B2 (de)
EP (1) EP1652413B1 (de)
JP (1) JP2007500425A (de)
CN (1) CN1846464B (de)
AT (1) ATE417491T1 (de)
CA (1) CA2534052C (de)
DE (1) DE602004018322D1 (de)
ES (1) ES2318310T3 (de)
HK (1) HK1092002A1 (de)
WO (1) WO2005015961A1 (de)

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US7480534B2 (en) * 2005-05-17 2009-01-20 The Watt Stopper Computer assisted lighting control system
EP1732363A3 (de) * 2005-06-09 2014-04-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungssystem und verfahren zum Betreiben eines derartigen Beleuchtungssystems
TW200813119A (en) * 2006-08-02 2008-03-16 Mitsubishi Chem Corp Polyester resin particle and method for producing the same
KR101517355B1 (ko) * 2007-07-16 2015-05-04 코닌클리케 필립스 엔.브이. 광원 구동
US8810142B2 (en) * 2008-03-31 2014-08-19 Nxp B.V. Waveform detection and combined step and linear dim control
US7932682B2 (en) * 2008-06-30 2011-04-26 Osram Sylvania, Inc. Internal power supply for a ballast
US8008866B2 (en) * 2008-09-05 2011-08-30 Lutron Electronics Co., Inc. Hybrid light source
US8049432B2 (en) * 2008-09-05 2011-11-01 Lutron Electronics Co., Inc. Measurement circuit for an electronic ballast
US8228002B2 (en) * 2008-09-05 2012-07-24 Lutron Electronics Co., Inc. Hybrid light source
US8067902B2 (en) * 2008-09-05 2011-11-29 Lutron Electronics Co., Inc. Electronic ballast having a symmetric topology
US8049430B2 (en) 2008-09-05 2011-11-01 Lutron Electronics Co., Inc. Electronic ballast having a partially self-oscillating inverter circuit
US9204518B2 (en) * 2008-10-30 2015-12-01 The Invention Science Fund I Llc LED-based secondary general illumination lighting color slaved to alternate general illumination lighting
US8193713B2 (en) 2008-10-30 2012-06-05 The Invention Science Fund I, Llc Apparatus and a method comprising illumination lighting fixture and sensor
US8487537B2 (en) * 2009-01-20 2013-07-16 The Sloan Company, Inc LED drive circuit
DE102009032028A1 (de) * 2009-07-07 2011-01-13 Tridonicatco Gmbh & Co. Kg Verfahren zum Betrieb von Gasentladungslampen bei niedrigen Außentemperaturen und dafür ausgelegtes Betriebsgerät
US8773037B2 (en) * 2010-02-01 2014-07-08 Empower Electronics, Inc. Ballast configured to compensate for lamp characteristic changes
US8466631B1 (en) * 2010-05-24 2013-06-18 Cooper Technologies Company Lamp driver with triac dimmer compensation
US20110316429A1 (en) * 2010-06-26 2011-12-29 Chia Chieh Liu TRIAC-based light dimmer
DE102010036444B4 (de) * 2010-07-16 2012-03-22 Vossloh-Schwabe Deutschland Gmbh Verfahren und Vorrichtung zum Dimmen eines Leuchtmittels mithilfe eines Mikrocontrollers
JP5043213B2 (ja) * 2010-08-23 2012-10-10 シャープ株式会社 Ｌｅｄ駆動回路及びこれを用いたｌｅｄ照明灯具
US8659232B2 (en) 2010-09-14 2014-02-25 Crs Electronics Variable-impedance load for LED lamps
US8653759B2 (en) 2010-10-29 2014-02-18 General Electric Company Lighting system electronic ballast or driver with shunt control for lighting control quiescent current
US8803432B2 (en) 2011-05-10 2014-08-12 Lutron Electronics Co., Inc. Method and apparatus for determining a target light intensity from a phase-control signal
US9232574B2 (en) 2012-07-06 2016-01-05 Lutron Electronics Co., Inc. Forward converter having a primary-side current sense circuit
CN102933008A (zh) * 2012-11-13 2013-02-13 成都东旭节能科技有限公司 智能电子镇流器
CN203027583U (zh) * 2012-11-23 2013-06-26 珠海格林赛威科技有限公司 一种带自诊断和远程监控功能的hid电子镇流器
CN108671267B (zh) * 2012-11-30 2022-02-18 H·戴维·迪恩 用于高精度医学植入物的吸收剂和反射性生物相容性染料
US9462660B2 (en) 2013-02-26 2016-10-04 Lutron Electronics Co., Inc. Controlling an electronic dimming ballast during low temperature or low mercury conditions
US9386641B2 (en) * 2013-04-23 2016-07-05 Magnitude Holdings Ltd. A Bermuda Exempt Company Limited By Shares Lighting dimmer synchronous load device
US20150318787A1 (en) 2013-11-08 2015-11-05 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source
US9565731B2 (en) 2015-05-01 2017-02-07 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source
CN109315036B (zh) 2015-06-19 2021-04-27 路创技术有限责任公司 用于发光二极管光源的负载控制装置
CN105163434B (zh) * 2015-08-29 2017-12-22 魏其萃 抗抖动相控调光器无频闪控制方法
US10098196B2 (en) 2016-09-16 2018-10-09 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source having different operating modes

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Also Published As

Publication number Publication date
US7061191B2 (en) 2006-06-13
ATE417491T1 (de) 2008-12-15
EP1652413B1 (de) 2008-12-10
CA2534052A1 (en) 2005-02-17
CA2534052C (en) 2013-08-13
CN1846464A (zh) 2006-10-11
US20050023997A1 (en) 2005-02-03
US20060197471A1 (en) 2006-09-07
US7321202B2 (en) 2008-01-22
CN1846464B (zh) 2012-11-07
EP1652413A1 (de) 2006-05-03
US20080048584A1 (en) 2008-02-28
ES2318310T3 (es) 2009-05-01
DE602004018322D1 (de) 2009-01-22
US7830093B2 (en) 2010-11-09
WO2005015961A1 (en) 2005-02-17
JP2007500425A (ja) 2007-01-11

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