HK1077457A1 - Dimmer circuit with improved inductive load imbalance protection - Google Patents

Dimmer circuit with improved inductive load imbalance protection

Info

Publication number
HK1077457A1
HK1077457A1 HK05109151.1A HK05109151A HK1077457A1 HK 1077457 A1 HK1077457 A1 HK 1077457A1 HK 05109151 A HK05109151 A HK 05109151A HK 1077457 A1 HK1077457 A1 HK 1077457A1
Authority
HK
Hong Kong
Prior art keywords
inductive load
dimmer circuit
load imbalance
improved inductive
imbalance protection
Prior art date
Application number
HK05109151.1A
Other languages
English (en)
Inventor
James Robert Vanderzon
Original Assignee
Clipsal Integrated Systems Pty
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 Clipsal Integrated Systems Pty filed Critical Clipsal Integrated Systems Pty
Publication of HK1077457A1 publication Critical patent/HK1077457A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/081—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters wherein the phase of the control voltage is adjustable with reference to the AC source
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F5/00—Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • H02H3/253—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage for multiphase applications, e.g. phase interruption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/40—Means for preventing magnetic saturation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/2573—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/048—Controlling the light-intensity of the source continuously with reverse phase control
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Power Conversion In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Rectifiers (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Voltage And Current In General (AREA)
HK05109151.1A 2002-03-25 2005-10-17 Dimmer circuit with improved inductive load imbalance protection HK1077457A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPS1312A AUPS131202A0 (en) 2002-03-25 2002-03-25 Circuit arrangement for power control
PCT/AU2003/000366 WO2003081962A1 (en) 2002-03-25 2003-03-25 Dimmer circuit with improved inductive load imbalance protection

Publications (1)

Publication Number Publication Date
HK1077457A1 true HK1077457A1 (en) 2006-02-10

Family

ID=3834908

Family Applications (3)

Application Number Title Priority Date Filing Date
HK05108302A HK1076515A1 (en) 2002-03-25 2005-09-22 Dimmer circuit with improved ripple control
HK05109151.1A HK1077457A1 (en) 2002-03-25 2005-10-17 Dimmer circuit with improved inductive load imbalance protection
HK05109150.2A HK1077456A1 (en) 2002-03-25 2005-10-17 Improved dimmer circuit arrangement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK05108302A HK1076515A1 (en) 2002-03-25 2005-09-22 Dimmer circuit with improved ripple control

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK05109150.2A HK1077456A1 (en) 2002-03-25 2005-10-17 Improved dimmer circuit arrangement

Country Status (14)

Country Link
US (4) US7271550B2 (xx)
EP (3) EP1500310B1 (xx)
JP (3) JP2005521367A (xx)
KR (3) KR20050002893A (xx)
CN (3) CN1650675B (xx)
AU (5) AUPS131202A0 (xx)
BR (3) BR0308841A (xx)
CA (3) CA2480407A1 (xx)
HK (3) HK1076515A1 (xx)
MX (3) MXPA04009304A (xx)
NZ (3) NZ535393A (xx)
RU (3) RU2310295C2 (xx)
WO (3) WO2003081961A1 (xx)
ZA (2) ZA200407718B (xx)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPS131202A0 (en) * 2002-03-25 2002-05-09 Clipsal Integrated Systems Pty Ltd Circuit arrangement for power control
US7190124B2 (en) 2005-05-16 2007-03-13 Lutron Electronics Co., Inc. Two-wire dimmer with power supply and load protection circuit in the event of switch failure
ITVI20050215A1 (it) 2005-07-28 2007-01-29 Gimax Srl Infustatore per filo metallico
DE102006005289A1 (de) 2006-02-06 2007-08-30 Siemens Ag Dimmerschaltung mit Nulldurchgangskorrektur
US7570031B2 (en) * 2006-03-17 2009-08-04 Lutron Electronics Co., Inc. Method and apparatus for preventing multiple attempted firings of a semiconductor switch in a load control device
SE529993C2 (sv) * 2006-09-11 2008-01-29 Abb Ab Metod och anordning för att minska påverkan från en likströmskomponent i en belastningsström vid en asynkron trefasmotor
US7518837B2 (en) * 2006-09-21 2009-04-14 Uan Chung Enterprises Co., Ltd Control device for soft starting and protecting overload of motor
WO2009036517A1 (en) 2007-09-19 2009-03-26 Clipsal Australia Pty Ltd Overcurrent protection in a dimmer circuit
US8207687B1 (en) 2008-02-15 2012-06-26 Cooper Technologies Company Dimmable driver circuits for light emitting diodes
US20100106616A1 (en) * 2008-10-29 2010-04-29 The Go Daddy Group, Inc. Systems for jointly auctioning expiring domain names
EP2384604A1 (en) 2008-12-30 2011-11-09 Koninklijke Philips Electronics N.V. Electronic circuit for driving a fluorescent lamp and lighting application
GB2467591B (en) * 2009-02-09 2013-06-26 Novar Ed & S Ltd Dimmer protection
WO2011061633A1 (en) * 2009-11-19 2011-05-26 Koninklijke Philips Electronics, N.V. Method and apparatus for detecting dimmer phase angle and selectively determining universal input voltage for solid state lighting fixtures
US11870334B2 (en) 2009-11-25 2024-01-09 Lutron Technology Company Llc Load control device for high-efficiency loads
US8664881B2 (en) 2009-11-25 2014-03-04 Lutron Electronics Co., Inc. Two-wire dimmer switch for low-power loads
US8729814B2 (en) * 2009-11-25 2014-05-20 Lutron Electronics Co., Inc. Two-wire analog FET-based dimmer switch
US8957662B2 (en) 2009-11-25 2015-02-17 Lutron Electronics Co., Inc. Load control device for high-efficiency loads
US8988050B2 (en) 2009-11-25 2015-03-24 Lutron Electronics Co., Inc. Load control device for high-efficiency loads
US9160224B2 (en) 2009-11-25 2015-10-13 Lutron Electronics Co., Inc. Load control device for high-efficiency loads
US8698408B2 (en) 2009-11-25 2014-04-15 Lutron Electronics Co., Inc. Two-wire dimmer switch for low-power loads
US8350487B2 (en) 2010-06-01 2013-01-08 Novar Ed&S Limited Switch circuit
US8179058B1 (en) * 2011-05-13 2012-05-15 Lumenpulse Lighting, Inc. Determine a setting of a TRIAC dimmer through induced relaxation oscillation
RU2461954C1 (ru) * 2011-05-20 2012-09-20 Государственное образовательное учреждение высшего профессионального образования "Томский государственный университет систем управления и радиоэлектроники" (ТУСУР) Устройство управления амплитудой мощных гармонических сигналов
KR20120132333A (ko) * 2011-05-25 2012-12-05 페어차일드코리아반도체 주식회사 디밍 앵글 감지 회로 및 그 구동 방법
US8278997B1 (en) * 2011-10-03 2012-10-02 Google Inc. Apparatus and methodology for controlling hot swap MOSFETs
US9279835B2 (en) * 2012-01-25 2016-03-08 Control4 Corporation Device for detecting a load type
US8917115B2 (en) * 2012-04-11 2014-12-23 Marvell World Trade Ltd. Zero crossing detector (ZCD) circuit
US9093894B2 (en) * 2012-12-17 2015-07-28 Greenmark Technology Inc. Multiple-level power control system
US9198259B2 (en) 2013-02-27 2015-11-24 Nguyen Hoan Hoang Programmable touchscreen dimmer with interchangeable electronic faceplate
US9601907B2 (en) 2013-04-18 2017-03-21 Abl Ip Holding Llc System and method for thermal protection for a universal load control cabinet
RU2663197C2 (ru) * 2013-06-05 2018-08-02 Филипс Лайтинг Холдинг Б.В. Устройство для управления световым модулем
US9608507B2 (en) 2013-06-14 2017-03-28 Sinope Technologies Inc. Low power and low EMI power stealing circuit for a control device
RU2542672C1 (ru) * 2013-10-29 2015-02-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Томский государственный университет систем управления и радиоэлектроники" (ТУСУР) Способ и устройство фазового регулирования переменного напряжения
WO2015081367A1 (en) * 2013-12-03 2015-06-11 Hendon Semiconductors Pty Ltd A two-wire trailing edge control dimmer arrangement and a method for control dimming thereof
AU2015218173A1 (en) * 2014-02-17 2016-09-29 Hendon Semiconductors Pty Ltd A dimmer power supply arrangement adapted to provide operational current to the dimmer when off and/or in standby mode without illuminating visible light and/or flickering from the lamp under the control of the dimmer
US9277611B2 (en) 2014-03-17 2016-03-01 Terralux, Inc. LED driver with high dimming compatibility without the use of bleeders
WO2015163837A1 (ru) * 2014-04-22 2015-10-29 Алексей Анатольевич МАРЦЕНЮК-КУХАРУК Способ индуктивной передачи цифровых данных paybeam
US10021749B2 (en) 2014-05-22 2018-07-10 Ozuno Holdings Limited Phase control dimmer circuit with short-circuit protection
WO2015176112A1 (en) * 2014-05-22 2015-11-26 Gerard Lighting Pty Ltd A zero-crossing detection circuit for a dimmer circuit
US10531545B2 (en) 2014-08-11 2020-01-07 RAB Lighting Inc. Commissioning a configurable user control device for a lighting control system
US10085328B2 (en) 2014-08-11 2018-09-25 RAB Lighting Inc. Wireless lighting control systems and methods
US10039174B2 (en) 2014-08-11 2018-07-31 RAB Lighting Inc. Systems and methods for acknowledging broadcast messages in a wireless lighting control network
WO2016053222A1 (ru) * 2014-09-29 2016-04-07 Алексей Анатольевич МАРЦЕНЮК-КУХАРУК Способ осуществления бесконтактных платежей paybeam
GB2533290B (en) 2014-12-15 2017-10-18 Novar Ed&S Ltd Doorbell system and doorbell chime
USD772749S1 (en) 2014-12-15 2016-11-29 Novar Ed&S Limited Door chime
WO2016132385A1 (en) * 2015-02-19 2016-08-25 Cubical Laboratories Pvt. Ltd. Method and device for controlling an operation in a dimmer circuit
USD795728S1 (en) 2015-09-16 2017-08-29 Novar Ed&S Limited Door chime
US11133796B2 (en) 2016-03-11 2021-09-28 Ford Global Technologies, Llc Dynamic IGBT gate drive to reduce switching loss
WO2019060252A1 (en) * 2017-09-19 2019-03-28 Wbm, Llc DIMMER
US10483869B1 (en) * 2018-07-13 2019-11-19 Stmicroelectronics Ltd Power conversion circuit having inrush current limiting resistor bypass
US10568185B1 (en) * 2019-07-18 2020-02-18 Leviton Manufacturing Company, Inc. Two-wire dimmer operation
CN113163540B (zh) * 2020-01-22 2023-08-29 立锜科技股份有限公司 调光器接口电路及其中的缓冲级电路
CN113296275B (zh) * 2021-06-01 2022-08-16 佳木斯大学 一种用于影像科的医学影像观察灯箱

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410351A (en) * 1972-01-11 1975-10-15 Martin D J Controlling the power supplied to a load
US3816794A (en) * 1972-03-28 1974-06-11 Esquire Inc High intensity, gas discharge lamp dimmer system
US3927345A (en) * 1973-08-16 1975-12-16 Lutron Electronics Co Fluorescent dimming circuit with D-C flicker elimination
US3894265A (en) * 1974-02-11 1975-07-08 Esquire Inc High intensity lamp dimming circuit
US4160192A (en) * 1977-06-03 1979-07-03 Mcallise Raymond J Delayed turn-off switching circuit
US4215554A (en) * 1978-05-30 1980-08-05 General Electric Company Frost control system
US4311956A (en) * 1980-06-19 1982-01-19 Pitney Bowes Inc. Zero crossing phase fired controller
US4352045B1 (en) * 1981-07-17 1994-05-31 Flexiwatt Corp Energy conservation system using current control
US4492897A (en) * 1981-10-21 1985-01-08 Hauenkalliontie 6 A 4 Means for limiting and controlling the current of a discharge lamp
US4680536A (en) * 1983-02-17 1987-07-14 Prescolite, Inc. Dimmer circuit with input voltage compensated soft start circuit
US4565958A (en) * 1984-01-24 1986-01-21 Power-Matic, Inc. AC Line voltage regulator with controlled energy dispenser
US4823069A (en) * 1984-08-15 1989-04-18 Michael Callahan Light dimmer for distributed use employing inductorless controlled transition phase control power stage
US4633161A (en) * 1984-08-15 1986-12-30 Michael Callahan Improved inductorless phase control dimmer power stage with semiconductor controlled voltage rise time
CA1332844C (en) * 1986-03-13 1994-11-01 David G. Luchaco Two wire low voltage dimmer
US4876498A (en) * 1986-03-13 1989-10-24 Lutron Electronics Co. Inc. Two wire low voltage dimmer
US4797599A (en) * 1987-04-21 1989-01-10 Lutron Electronics Co., Inc. Power control circuit with phase controlled signal input
NZ224311A (en) 1987-05-26 1989-08-29 Hpm Ind Pty Ltd Filament driver for dimmable fluorescent lamp - passes high frequencies
DE3836128A1 (de) * 1987-12-12 1989-07-20 Insta Elektro Gmbh & Co Kg Helligkeitssteuerschaltung fuer gluehlampen und schaltnetzteile
US5038081A (en) * 1987-12-16 1991-08-06 Lutron Electronics Co., Inc. Reverse phase-controlled dimmer
US5030890A (en) * 1988-05-25 1991-07-09 Johnson Samuel A Two terminal incandescent lamp controller
GB2226898B (en) * 1988-12-20 1992-08-12 Strand Lighting Ltd Electric lighting and power controllers therefor
JPH04141995A (ja) * 1990-09-30 1992-05-15 Toshiba Lighting & Technol Corp 放電灯点灯装置およびこれを用いた照明装置
CN2088770U (zh) * 1991-01-31 1991-11-13 北京市西城亚众计算机应用开发部 灯光渐亮控制器
EP0603333B1 (en) * 1991-09-13 1995-07-19 CUNNINGHAM, David W. Dimming control circuit
US5268631A (en) * 1991-11-06 1993-12-07 Chicago Stage Equipment Co. Power control system with improved phase control
CN1083302A (zh) * 1992-08-11 1994-03-02 陈苏 调光装置
CN2133094Y (zh) * 1992-09-07 1993-05-12 毛友根 便携式双电压挡多功能调压器
DE4401823A1 (de) * 1994-01-22 1995-07-27 Efmt Entwicklungs Und Forschun Stellvorrichtung zur Steuerung von elektrischen Lasten
NO950289L (no) 1994-01-29 1995-07-31 Shenyan Enterprise Internation Styrekrets for automatisk bilfrontlysdemperanordning
US5574335A (en) * 1994-08-02 1996-11-12 Osram Sylvania Inc. Ballast containing protection circuit for detecting rectification of arc discharge lamp
US5550436A (en) * 1994-09-01 1996-08-27 International Rectifier Corporation MOS gate driver integrated circuit for ballast circuits
GB2297441B (en) * 1995-01-25 1999-02-24 Caradon Mk Electric Ltd Power controller
CN2283340Y (zh) * 1995-03-24 1998-06-03 张传溪 调光型电子镇流器
US5559395A (en) * 1995-03-31 1996-09-24 Philips Electronics North America Corporation Electronic ballast with interface circuitry for phase angle dimming control
US5604411A (en) * 1995-03-31 1997-02-18 Philips Electronics North America Corporation Electronic ballast having a triac dimming filter with preconditioner offset control
US5592073A (en) * 1995-05-31 1997-01-07 Sunpower, Inc. Triac control circuit
US5578908A (en) * 1995-06-07 1996-11-26 Nicollet Technologies Corporation Phase control circuit having independent half cycles
FI964021A (fi) * 1996-10-07 1998-04-08 Ahlstroem Oy Parannettu elektroninen tehonsäädin
AUPO691697A0 (en) 1997-05-21 1997-06-12 Trestoto Pty Limited Dimmer circuits for discharge lamps
US6211627B1 (en) * 1997-07-29 2001-04-03 Michael Callahan Lighting systems
US6111368A (en) * 1997-09-26 2000-08-29 Lutron Electronics Co., Inc. System for preventing oscillations in a fluorescent lamp ballast
US6091205A (en) * 1997-10-02 2000-07-18 Lutron Electronics Co., Inc. Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes
DE19821351A1 (de) * 1998-05-13 1999-11-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betreiben elektrischer Lampen
FI110370B (fi) * 1998-07-31 2002-12-31 Lexel Finland Ab Oy Järjestely elektronisen tehonsäätimen radiohäiriöiden eliminoimiseksi
US6002563A (en) * 1998-09-03 1999-12-14 Electronic Theatre Controls, Inc. Plug-in power module incorporating ground-fault detection and reporting
GB2343796A (en) * 1998-10-07 2000-05-17 Steven Appleby Lighting control
AU1333700A (en) 1998-10-30 2000-05-22 Strategic Product Development Monitoring physical and environmental conditions of a person
AUPP944799A0 (en) * 1999-03-25 1999-04-22 H.P.M. Industries Pty Limited Control circuit
EP1089600A4 (en) * 1999-04-16 2006-07-05 Toshiba Lighting & Technology LIGHTING UNIT WITH DISCHARGE LAMP
JP2001052885A (ja) * 1999-08-11 2001-02-23 Matsushita Electric Works Ltd 放電灯点灯装置
TW512376B (en) * 2000-08-17 2002-12-01 Koninkl Philips Electronics Nv Switching device
AUPS131202A0 (en) * 2002-03-25 2002-05-09 Clipsal Integrated Systems Pty Ltd Circuit arrangement for power control

Also Published As

Publication number Publication date
CN1650674B (zh) 2012-03-14
BR0308841A (pt) 2005-02-09
AU2003212114A1 (en) 2003-10-08
EP1500310A4 (en) 2008-09-03
KR20050013100A (ko) 2005-02-02
WO2003081961A1 (en) 2003-10-02
US20050168896A1 (en) 2005-08-04
HK1077456A1 (en) 2006-02-10
US20050174070A1 (en) 2005-08-11
US7339331B2 (en) 2008-03-04
ZA200407716B (en) 2006-07-26
AU2003212113B2 (en) 2007-03-15
RU2004128386A (ru) 2005-06-27
WO2003081364A1 (en) 2003-10-02
RU2004128385A (ru) 2005-07-10
AU2009200970B2 (en) 2011-11-10
NZ535394A (en) 2006-10-27
EP1500310B1 (en) 2018-04-25
RU2319194C2 (ru) 2008-03-10
KR20050004824A (ko) 2005-01-12
BR0308840A (pt) 2005-02-09
AU2009200970A1 (en) 2009-04-02
MXPA04009301A (es) 2005-06-08
BR0308839A (pt) 2005-02-22
MXPA04009304A (es) 2005-07-26
WO2003081962A1 (en) 2003-10-02
AU2003212115A1 (en) 2003-10-08
CA2480391A1 (en) 2003-10-02
RU2004128387A (ru) 2005-07-10
HK1076515A1 (en) 2006-01-20
EP1499935A4 (en) 2008-09-10
EP1499935A1 (en) 2005-01-26
CN1650242A (zh) 2005-08-03
CN1650675A (zh) 2005-08-03
CN100394347C (zh) 2008-06-11
AU2003212114B2 (en) 2008-01-10
NZ535393A (en) 2006-06-30
NZ535415A (en) 2006-03-31
EP1502482A1 (en) 2005-02-02
KR20050002893A (ko) 2005-01-10
JP2005521377A (ja) 2005-07-14
EP1502482A4 (en) 2008-08-06
CN1650675B (zh) 2011-11-30
CA2480413A1 (en) 2003-10-02
CN1650674A (zh) 2005-08-03
MXPA04009305A (es) 2005-07-26
US20050168200A1 (en) 2005-08-04
JP2005521367A (ja) 2005-07-14
AU2003212113A1 (en) 2003-10-08
EP1500310A1 (en) 2005-01-26
JP2005521376A (ja) 2005-07-14
CA2480407A1 (en) 2003-10-02
RU2308821C2 (ru) 2007-10-20
US20130208382A1 (en) 2013-08-15
RU2310295C2 (ru) 2007-11-10
US7271550B2 (en) 2007-09-18
ZA200407718B (en) 2006-07-26
AUPS131202A0 (en) 2002-05-09

Similar Documents

Publication Publication Date Title
HK1077457A1 (en) Dimmer circuit with improved inductive load imbalance protection
AU2003217689A8 (en) Circuit breaker lockout
AU2003251306A8 (en) Ultracapacitor balancing circuit
GB2381388B (en) Balanced quench protection circuit
AU2003245328A8 (en) Electric load management center
GB2413436B (en) Camouflaged circuit structure
GB2384632B (en) Current limiting protection circuit
AU2003296325A8 (en) Induction dryer
GB0219764D0 (en) Load carrier
HK1083934A1 (en) Low-voltage circuit breaker
GB2404367B (en) Load protector
AU2003230664A8 (en) On-chip ac coupled circuit
GB2405531B (en) Integrated circuit with reverse engineering protection
HK1063107A1 (en) Charging circuit
GB0216175D0 (en) Load assembly
GB0304668D0 (en) Circuit breaker
GB0130366D0 (en) Load attachment
AU2003238141A8 (en) Security document with integrated circuit
PL113647U1 (en) Equipment for load safeguarding
GB2388296B (en) Combination pants
AU2003216675A8 (en) Overcurrent detection circuit
CA94622S (en) Circuit breaker
GB0317832D0 (en) Load protector
GB0106557D0 (en) Electroluminescent devices
GB0106556D0 (en) Electroluminescent devices

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20190327