IT1306920B1 - Circuito integrato per il controllo di stabilizzatori per lampadea fluorescenza - Google Patents
Circuito integrato per il controllo di stabilizzatori per lampadea fluorescenzaInfo
- Publication number
- IT1306920B1 IT1306920B1 IT1999MI000010A ITMI990010A IT1306920B1 IT 1306920 B1 IT1306920 B1 IT 1306920B1 IT 1999MI000010 A IT1999MI000010 A IT 1999MI000010A IT MI990010 A ITMI990010 A IT MI990010A IT 1306920 B1 IT1306920 B1 IT 1306920B1
- Authority
- IT
- Italy
- Prior art keywords
- stabilizers
- control
- integrated circuit
- fluorescent lamp
- fluorescent
- Prior art date
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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2983—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal power supply conditions
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7049598P | 1998-01-05 | 1998-01-05 | |
US7148298P | 1998-01-13 | 1998-01-13 | |
US7925198P | 1998-03-25 | 1998-03-25 | |
US7925098P | 1998-03-25 | 1998-03-25 | |
US7948798P | 1998-03-26 | 1998-03-26 | |
US7949298P | 1998-03-26 | 1998-03-26 | |
US7949398P | 1998-03-26 | 1998-03-26 | |
US09/095,062 US6331755B1 (en) | 1998-01-13 | 1998-06-10 | Circuit for detecting near or below resonance operation of a fluorescent lamp driven by half-bridge circuit |
US09/122,699 US5973943A (en) | 1998-01-05 | 1998-07-27 | Non zero-voltage switching protection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
ITMI990010A1 ITMI990010A1 (it) | 2000-07-05 |
IT1306920B1 true IT1306920B1 (it) | 2001-10-11 |
Family
ID=27578325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1999MI000010A IT1306920B1 (it) | 1998-01-05 | 1999-01-05 | Circuito integrato per il controllo di stabilizzatori per lampadea fluorescenza |
Country Status (7)
Country | Link |
---|---|
US (1) | US6211623B1 (it) |
JP (2) | JP3504876B2 (it) |
KR (1) | KR100321964B1 (it) |
CN (1) | CN1201639C (it) |
DE (1) | DE19900153A1 (it) |
GB (1) | GB2332993B (it) |
IT (1) | IT1306920B1 (it) |
Families Citing this family (90)
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US6111369A (en) * | 1998-12-18 | 2000-08-29 | Clalight Israel Ltd. | Electronic ballast |
US6577066B1 (en) * | 1999-03-30 | 2003-06-10 | Matsushita Electric Industrial Co., Ltd. | Compact self-ballasted fluorescent lamp |
GB2353150A (en) * | 1999-08-03 | 2001-02-14 | Excil Electronics Ltd | Fluorescent lamp driver unit |
US6316887B1 (en) * | 1999-10-01 | 2001-11-13 | International Rectifier Corporation | Multiple ignition high intensity discharge ballast control circuit |
DE10013342A1 (de) * | 2000-03-17 | 2001-09-27 | Trilux Lenze Gmbh & Co Kg | Verfahren und Schaltungsanordnung zur Erzeugung einer Zündspannung für Leuchtstofflampen |
DE10013041A1 (de) * | 2000-03-17 | 2001-09-27 | Trilux Lenze Gmbh & Co Kg | Verfahren und Vorrichtung zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte |
AU2001251230A1 (en) * | 2000-05-12 | 2001-11-26 | John Chou | Integrated circuit for lamp heating and dimming control |
US6339298B1 (en) * | 2000-05-15 | 2002-01-15 | General Electric Company | Dimming ballast resonant feedback circuit |
US6555971B1 (en) * | 2000-06-13 | 2003-04-29 | Lighttech Group, Inc. | High frequency, high efficiency quick restart lighting system |
KR100454278B1 (ko) * | 2000-06-19 | 2004-10-26 | 인터내쇼널 렉티파이어 코포레이션 | 최소의 내부 및 외부 구성요소를 갖는 밸러스트 제어 ic |
TW319487U (en) * | 2000-09-27 | 1997-11-01 | Patent Treuhand Ges Fuer Elek Sche Gluhlampen Mbh Co Ltd | Operating device for electrical lamps |
KR100539721B1 (ko) | 2000-10-20 | 2005-12-29 | 인터내쇼널 렉티파이어 코포레이션 | 역률 보정 기능을 갖는 안정기 제어 집적 회로 |
AU2002214332A1 (en) * | 2000-11-22 | 2002-06-03 | Mitsubishi Pharma Corporation | Ophthalmological preparations |
US6377034B1 (en) * | 2000-12-11 | 2002-04-23 | Texas Instruments Incorporated | Method and circuits for inductor current measurement in MOS switching regulators |
US6556053B2 (en) * | 2001-02-06 | 2003-04-29 | Harman International Industries, Incorporated | Half-bridge gate driver optimized for hard-switching |
US6501235B2 (en) * | 2001-02-27 | 2002-12-31 | Stmicroelectronics Inc. | Microcontrolled ballast compatible with different types of gas discharge lamps and associated methods |
US6420838B1 (en) | 2001-03-08 | 2002-07-16 | Peter W. Shackle | Fluorescent lamp ballast with integrated circuit |
AUPR610801A0 (en) * | 2001-07-04 | 2001-07-26 | Briter Electronics | Controlling apparatus |
US6670781B2 (en) * | 2001-07-27 | 2003-12-30 | Visteon Global Technologies, Inc. | Cold cathode fluorescent lamp low dimming antiflicker control circuit |
WO2003032711A1 (fr) | 2001-10-11 | 2003-04-24 | Daikin Industries, Ltd. | Filtre de ventilation pour recipient, recipient et couvercle de recipient pourvu du filtre de ventilation |
CN100454203C (zh) * | 2001-12-03 | 2009-01-21 | 国际整流器公司 | 镇流器控制卡 |
US6867554B2 (en) * | 2001-12-03 | 2005-03-15 | International Rectifier Corporation | Ballast control card |
US20030229472A1 (en) * | 2001-12-06 | 2003-12-11 | Kantzes Christopher P. | Field maintenance tool with improved device description communication and storage |
US7426452B2 (en) * | 2001-12-06 | 2008-09-16 | Fisher-Rosemount Systems. Inc. | Dual protocol handheld field maintenance tool with radio-frequency communication |
US20030204373A1 (en) * | 2001-12-06 | 2003-10-30 | Fisher-Rosemount Systems, Inc. | Wireless communication method between handheld field maintenance tools |
WO2003059017A1 (en) * | 2001-12-31 | 2003-07-17 | International Rectifier Corporation | Basic halogen convertor ic |
US7027952B2 (en) * | 2002-03-12 | 2006-04-11 | Fisher-Rosemount Systems, Inc. | Data transmission method for a multi-protocol handheld field maintenance tool |
US7039744B2 (en) * | 2002-03-12 | 2006-05-02 | Fisher-Rosemount Systems, Inc. | Movable lead access member for handheld field maintenance tool |
DE20206267U1 (de) * | 2002-04-20 | 2003-08-28 | Leybold Vakuum Gmbh | Vakuumpumpe |
KR100518167B1 (ko) * | 2002-06-03 | 2005-10-04 | 쿠쿠전자주식회사 | 자려발진 하프-브릿지 드라이버 집적회로를 이용한 유도가열 조리기 |
US6677719B2 (en) * | 2002-06-03 | 2004-01-13 | Stmicroelectronics, Inc. | Ballast circuit |
US6956336B2 (en) * | 2002-07-22 | 2005-10-18 | International Rectifier Corporation | Single chip ballast control with power factor correction |
WO2004030418A2 (en) * | 2002-09-25 | 2004-04-08 | Lumitronics, Inc. | Circuit for driving cold cathode tubes |
US7053724B2 (en) * | 2002-11-14 | 2006-05-30 | International Rectifier Corporation | Dual slope dual range oscillator |
US10261506B2 (en) * | 2002-12-05 | 2019-04-16 | Fisher-Rosemount Systems, Inc. | Method of adding software to a field maintenance tool |
US6949888B2 (en) * | 2003-01-15 | 2005-09-27 | International Rectifier Corporation | Dimming ballast control IC with flash suppression circuit |
CN100388529C (zh) * | 2003-03-06 | 2008-05-14 | 费希尔-罗斯蒙德系统公司 | 用于电蓄电池的热流动调节盖 |
US7512521B2 (en) * | 2003-04-30 | 2009-03-31 | Fisher-Rosemount Systems, Inc. | Intrinsically safe field maintenance tool with power islands |
US7054695B2 (en) | 2003-05-15 | 2006-05-30 | Fisher-Rosemount Systems, Inc. | Field maintenance tool with enhanced scripts |
US7036386B2 (en) * | 2003-05-16 | 2006-05-02 | Fisher-Rosemount Systems, Inc. | Multipurpose utility mounting assembly for handheld field maintenance tool |
US6925419B2 (en) * | 2003-05-16 | 2005-08-02 | Fisher-Rosemount Systems, Inc. | Intrinsically safe field maintenance tool with removable battery pack |
US8874402B2 (en) * | 2003-05-16 | 2014-10-28 | Fisher-Rosemount Systems, Inc. | Physical memory handling for handheld field maintenance tools |
US7526802B2 (en) * | 2003-05-16 | 2009-04-28 | Fisher-Rosemount Systems, Inc. | Memory authentication for intrinsically safe field maintenance tools |
US7199784B2 (en) * | 2003-05-16 | 2007-04-03 | Fisher Rosemount Systems, Inc. | One-handed operation of a handheld field maintenance tool |
US7154232B2 (en) * | 2003-06-24 | 2006-12-26 | International Rectifier Corporation | Ballast control IC with multi-function feedback sense |
US7015652B2 (en) * | 2003-10-17 | 2006-03-21 | Universal Lighting Technologies, Inc. | Electronic ballast having end of lamp life, overheating, and shut down protections, and reignition and multiple striking capabilities |
US7003421B1 (en) * | 2003-11-03 | 2006-02-21 | Lsi Logic Corporation | VDD over and undervoltage measurement techniques using monitor cells |
JP4186801B2 (ja) * | 2003-11-25 | 2008-11-26 | 松下電工株式会社 | 無電極放電灯点灯装置並びに無電極放電灯装置 |
JP4313658B2 (ja) * | 2003-11-28 | 2009-08-12 | 三菱電機株式会社 | インバータ回路 |
MXPA04012083A (es) * | 2003-12-03 | 2005-07-01 | Universal Lighting Tech Inc | Balastra electronica confiable, de bajo costo y basada en ic, con proteccion de fin de vida de la lampara y multiples intentos de encendido. |
CA2488764A1 (en) * | 2003-12-03 | 2005-06-03 | Universal Lighting Technologies, Inc. | High efficiency 4-lamp instant start ballast |
CA2488995A1 (en) * | 2003-12-03 | 2005-06-03 | Universal Lighting Technologies, Inc. | Electronic ballast with adaptive lamp preheat and ignition |
MXPA04012080A (es) * | 2003-12-03 | 2005-07-01 | Universal Lighting Tech Inc | Circuito sin perdidas para el muestreo del voltaje de lamparas. |
GB0330019D0 (en) * | 2003-12-24 | 2004-01-28 | Powell David J | Apparatus and method for controlling discharge lights |
GB2428526B (en) * | 2004-04-08 | 2007-12-19 | Int Rectifier Corp | Pfc and ballast control ic |
WO2005112523A1 (en) * | 2004-05-11 | 2005-11-24 | Design Rite Llc. | Cicuit for driving cold cathode tubes and external electrode fluorescent lamps |
JP2006252921A (ja) * | 2005-03-10 | 2006-09-21 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US20070103089A1 (en) * | 2005-05-11 | 2007-05-10 | Gilbert Fregoso | Circuit for driving cold cathode tubes and external electrode fluorescent lamps |
CN1905772B (zh) * | 2005-07-28 | 2010-07-14 | 新巨企业股份有限公司 | 反流器的主从控制架构 |
JP2007035497A (ja) * | 2005-07-28 | 2007-02-08 | Sony Corp | 放電灯点灯装置、放電灯の点灯方法、光源装置、表示装置 |
KR100829239B1 (ko) * | 2005-10-12 | 2008-05-14 | 인터내쇼널 렉티파이어 코포레이션 | 8-핀 pfc 및 안정기 제어 ic |
US7436127B2 (en) * | 2005-11-03 | 2008-10-14 | International Rectifier Corporation | Ballast control circuit |
DE102005055831A1 (de) * | 2005-11-23 | 2007-05-31 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektronisches Vorschaltgerät mit Betriebszustandsüberwachung und entsprechendes Verfahren |
KR101197512B1 (ko) | 2005-12-02 | 2012-11-09 | 페어차일드코리아반도체 주식회사 | 안정기 집적회로 |
JP4899486B2 (ja) * | 2006-01-13 | 2012-03-21 | パナソニック電工株式会社 | 放電灯点灯装置並びに照明器具 |
KR100771780B1 (ko) * | 2006-04-24 | 2007-10-30 | 삼성전기주식회사 | 과전압 보호 및 듀티 제어 기능을 갖는 led 구동장치 |
EP2030443A4 (en) * | 2006-06-20 | 2010-10-13 | Nielsen Co Us Llc | METHOD AND DEVICE FOR DETECTING MEDIA SOURCES ON SCREEN |
US8019162B2 (en) | 2006-06-20 | 2011-09-13 | The Nielsen Company (Us), Llc | Methods and apparatus for detecting on-screen media sources |
CN101094551B (zh) * | 2006-06-23 | 2012-07-04 | 电灯专利信托有限公司 | 检测电子镇流器中的bjt关断信号的方法和电子镇流器 |
CN101321424B (zh) * | 2007-06-05 | 2011-11-02 | 天钰信息科技(上海)有限公司 | 热阴极荧光灯灯丝电流控制电路 |
CN101336035A (zh) * | 2007-06-29 | 2008-12-31 | 电灯专利信托有限公司 | 分步调光选择的检测方法 |
CN101472376B (zh) * | 2007-12-29 | 2013-03-27 | 上海贝岭股份有限公司 | 电子镇流器及其点火电流限流的控制方法 |
CN101262730B (zh) * | 2008-04-28 | 2011-09-21 | 佛山市美博照明有限公司 | 高压气体放电灯电子镇流器的自适应滑频触发点火方法 |
US8063588B1 (en) * | 2008-08-14 | 2011-11-22 | International Rectifier Corporation | Single-input control circuit for programming electronic ballast parameters |
KR100966991B1 (ko) * | 2008-12-08 | 2010-06-30 | 삼성전기주식회사 | 인버터 구동 집적회로 |
US20110084793A1 (en) * | 2009-10-09 | 2011-04-14 | Monster Cable Products, Inc. | Tri-Mode Over-Voltage Protection and Disconnect Circuit Apparatus and Method |
US8183791B1 (en) | 2009-10-23 | 2012-05-22 | Universal Lighting Technologies, Inc. | System and method for preventing low dimming current startup flash |
MX2012005123A (es) | 2009-11-02 | 2012-11-29 | Genesys Systems Llc | Circuito de balastro electronico para lamparas. |
DE102009047289A1 (de) * | 2009-11-30 | 2011-06-22 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Verfahren zur Einstellung eines elektronischen Vorschaltgeräts, elektronisches Vorschaltgerät und Abgleicheinheit |
DE102009047572A1 (de) | 2009-12-07 | 2011-06-09 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung zum Betreiben mindestens einer Entladungslampe |
US10009989B2 (en) | 2009-12-15 | 2018-06-26 | Philips Lighting Holding B.V. | Electronic ballast with power thermal cutback |
US8378579B1 (en) | 2010-02-18 | 2013-02-19 | Universal Lighting Technologies, Inc. | Ballast circuit for a gas discharge lamp with a control loop to reduce filament heating voltage below a maximum heating level |
US8779678B2 (en) | 2011-08-23 | 2014-07-15 | Dudley Allan ROBERTS | Segmented electronic arc lamp ballast |
CN102832810B (zh) * | 2012-08-30 | 2015-04-08 | 成都芯源系统有限公司 | 自举电压刷新控制电路、电压转换电路及相关控制方法 |
JP2014063605A (ja) * | 2012-09-20 | 2014-04-10 | Toshiba Lighting & Technology Corp | 照明用電源装置及び照明装置 |
US9520742B2 (en) | 2014-07-03 | 2016-12-13 | Hubbell Incorporated | Monitoring system and method |
US9825527B2 (en) * | 2014-08-12 | 2017-11-21 | Continental Automotive Systems, Inc. | PWM generation for DC/DC converters with frequency switching |
US10090663B2 (en) * | 2016-01-11 | 2018-10-02 | Semiconductor Components Industries, Llc | Over-current protection circuit and method for voltage regulators |
EP3611485B1 (en) | 2018-08-14 | 2023-06-14 | NXP USA, Inc. | Temperature sensor system for radar device |
CN111638746B (zh) * | 2020-06-19 | 2021-08-24 | 西安微电子技术研究所 | 一种电压电流控制模式自动切换电路及方法 |
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---|---|---|---|---|
US4933798A (en) * | 1987-10-22 | 1990-06-12 | Widmayer R&D Ventures | Self protecting and automatic resetting capacitor synchronous switch apparatus for control of AC power to inductive loads |
EP0359860A1 (de) | 1988-09-23 | 1990-03-28 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Betreiben mindestens einer Gasentladungslampe |
US5003230A (en) | 1989-05-26 | 1991-03-26 | North American Philips Corporation | Fluorescent lamp controllers with dimming control |
US5315214A (en) * | 1992-06-10 | 1994-05-24 | Metcal, Inc. | Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
US5373435A (en) * | 1993-05-07 | 1994-12-13 | Philips Electronics North America Corporation | High voltage integrated circuit driver for half-bridge circuit employing a bootstrap diode emulator |
KR960010713B1 (ko) * | 1993-08-17 | 1996-08-07 | 삼성전자 주식회사 | 공진형 컨버터의 영전압 스위칭 제어장치 및 이를 이용한 전자식 안정기 |
EP0677981B1 (de) * | 1994-04-15 | 2000-07-12 | Knobel Ag Lichttechnische Komponenten | Vorschaltgerät mit Lampenwechselerkennung für Entladungslampen |
TW266383B (en) * | 1994-07-19 | 1995-12-21 | Siemens Ag | Method of starting at least one fluorescent lamp by an electronic ballast and the electronic ballast used therefor |
US5739645A (en) * | 1996-05-10 | 1998-04-14 | Philips Electronics North America Corporation | Electronic ballast with lamp flash protection circuit |
US5811941A (en) * | 1997-03-01 | 1998-09-22 | Barton; Bina M. | High frequency electronic ballast for a high intensity discharge lamp |
US6020689A (en) * | 1997-04-10 | 2000-02-01 | Philips Electronics North America Corporation | Anti-flicker scheme for a fluorescent lamp ballast driver |
US5982110A (en) * | 1997-04-10 | 1999-11-09 | Philips Electronics North America Corporation | Compact fluorescent lamp with overcurrent protection |
-
1999
- 1999-01-05 CN CNB991004302A patent/CN1201639C/zh not_active Expired - Fee Related
- 1999-01-05 IT IT1999MI000010A patent/IT1306920B1/it active
- 1999-01-05 KR KR1019990000076A patent/KR100321964B1/ko not_active IP Right Cessation
- 1999-01-05 JP JP00075499A patent/JP3504876B2/ja not_active Expired - Fee Related
- 1999-01-05 GB GB9900144A patent/GB2332993B/en not_active Expired - Fee Related
- 1999-01-05 US US09/225,635 patent/US6211623B1/en not_active Expired - Lifetime
- 1999-01-05 DE DE19900153A patent/DE19900153A1/de not_active Withdrawn
-
2003
- 2003-10-06 JP JP2003347511A patent/JP2004071581A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ITMI990010A1 (it) | 2000-07-05 |
JPH11260583A (ja) | 1999-09-24 |
GB9900144D0 (en) | 1999-02-24 |
JP2004071581A (ja) | 2004-03-04 |
KR100321964B1 (ko) | 2002-02-02 |
GB2332993A (en) | 1999-07-07 |
GB2332993B (en) | 2002-03-13 |
KR19990067728A (ko) | 1999-08-25 |
JP3504876B2 (ja) | 2004-03-08 |
CN1201639C (zh) | 2005-05-11 |
DE19900153A1 (de) | 1999-07-15 |
US6211623B1 (en) | 2001-04-03 |
CN1228671A (zh) | 1999-09-15 |
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ATA88098A (de) | Leuchte | |
DE29722905U1 (de) | Lampen-Steuerschaltung | |
IT1308038B1 (it) | Circuito di illuminazione per un veicolo | |
KR950010496U (ko) | 형광등용 안정기 조립체 | |
KR950028987U (ko) | 형광등용 안정기의 고정구 | |
DE29807368U1 (de) | Beidseitiger Lichterbogen | |
DE29820849U1 (de) | Wandleuchte | |
DE29722904U1 (de) | Lampen-Dimmerschaltung | |
KR950034338U (ko) | 전구식 형광등 | |
DE29805825U1 (de) | Leuchte | |
DE29806500U1 (de) | Leuchte | |
TW375242U (en) | Improved structure for the foot mount of the fluorescent lamp |