DE69903000T2 - Vorschaltgerät - Google Patents

Vorschaltgerät

Info

Publication number
DE69903000T2
DE69903000T2 DE69903000T DE69903000T DE69903000T2 DE 69903000 T2 DE69903000 T2 DE 69903000T2 DE 69903000 T DE69903000 T DE 69903000T DE 69903000 T DE69903000 T DE 69903000T DE 69903000 T2 DE69903000 T2 DE 69903000T2
Authority
DE
Germany
Prior art keywords
ballast
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.)
Expired - Fee Related
Application number
DE69903000T
Other languages
English (en)
Other versions
DE69903000D1 (de
Inventor
J Giannopoulos
T Wacyk
Sreeraman Venkitasubrahmanian
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69903000D1 publication Critical patent/DE69903000D1/de
Publication of DE69903000T2 publication Critical patent/DE69903000T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
DE69903000T 1998-12-28 1999-12-15 Vorschaltgerät Expired - Fee Related DE69903000T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/221,957 US6100647A (en) 1998-12-28 1998-12-28 Lamp ballast for accurate control of lamp intensity
PCT/EP1999/010222 WO2000040062A1 (en) 1998-12-28 1999-12-15 Lamp ballast

Publications (2)

Publication Number Publication Date
DE69903000D1 DE69903000D1 (de) 2002-10-24
DE69903000T2 true DE69903000T2 (de) 2003-06-18

Family

ID=22830151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69903000T Expired - Fee Related DE69903000T2 (de) 1998-12-28 1999-12-15 Vorschaltgerät

Country Status (6)

Country Link
US (1) US6100647A (de)
EP (1) EP1057381B1 (de)
JP (1) JP2002534767A (de)
CN (1) CN1178559C (de)
DE (1) DE69903000T2 (de)
WO (1) WO2000040062A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009040284A1 (de) * 2009-09-04 2011-03-17 Tridonic Gmbh & Co Kg Cosinus(Φ)-Korrektur bei strom- oder leistungsgeregelten Betriebsgeräten für Leuchtmittel

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315151B2 (en) * 1995-01-11 2008-01-01 Microplanet Inc. Method and apparatus for electronic power control
US6339298B1 (en) * 2000-05-15 2002-01-15 General Electric Company Dimming ballast resonant feedback circuit
TW319487U (en) * 2000-09-27 1997-11-01 Patent Treuhand Ges Fuer Elek Sche Gluhlampen Mbh Co Ltd Operating device for electrical lamps
US6856519B2 (en) 2002-05-06 2005-02-15 O2Micro International Limited Inverter controller
US7262981B2 (en) * 2004-05-25 2007-08-28 General Electric Company System and method for regulating resonant inverters
US7067989B2 (en) * 2004-08-26 2006-06-27 Lien Chang Electronic Enterprise Co., Ltd. Modularized inverter control circuit
JP4446476B2 (ja) * 2004-10-18 2010-04-07 スミダコーポレーション株式会社 冷陰極管駆動装置
TW200711537A (en) * 2005-07-07 2007-03-16 Koninkl Philips Electronics Nv Parasitic capacitance compensations system and method
CN101018439B (zh) * 2006-02-10 2010-08-04 鸿富锦精密工业（深圳）有限公司 放电灯驱动装置
US7242149B1 (en) * 2006-08-09 2007-07-10 Cheng-Lung Ku Lamp driving circuit with floating power supply driver
US7990076B2 (en) * 2006-09-07 2011-08-02 Koninklijke Philips Electronics N.V. Lamp driver circuit and method for driving a discharge lamp
DE102008058819A1 (de) * 2007-11-28 2009-06-25 Toshiba Lighting & Technology Corp. Entladungslampenzündvorrichtung
US8067902B2 (en) * 2008-09-05 2011-11-29 Lutron Electronics Co., Inc. Electronic ballast having a symmetric topology
US8049432B2 (en) * 2008-09-05 2011-11-01 Lutron Electronics Co., Inc. Measurement circuit for an electronic ballast
US8049430B2 (en) * 2008-09-05 2011-11-01 Lutron Electronics Co., Inc. Electronic ballast having a partially self-oscillating inverter circuit
US9167641B2 (en) * 2008-11-28 2015-10-20 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof
US8203276B2 (en) * 2008-11-28 2012-06-19 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6918243A (de) * 1968-12-11 1970-06-15
US4952849A (en) * 1988-07-15 1990-08-28 North American Philips Corporation Fluorescent lamp controllers
US5559395A (en) * 1995-03-31 1996-09-24 Philips Electronics North America Corporation Electronic ballast with interface circuitry for phase angle dimming control
DE19613257A1 (de) * 1996-01-26 1997-07-31 Tridonic Bauelemente Verfahren und elektronische Steuerschaltung zum Regeln des Betriebsverhaltens von Gasentladungslampen
US5742134A (en) * 1996-05-03 1998-04-21 Philips Electronics North America Corp. Inverter driving scheme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009040284A1 (de) * 2009-09-04 2011-03-17 Tridonic Gmbh & Co Kg Cosinus(Φ)-Korrektur bei strom- oder leistungsgeregelten Betriebsgeräten für Leuchtmittel

Also Published As

Publication number Publication date
US6100647A (en) 2000-08-08
JP2002534767A (ja) 2002-10-15
CN1291419A (zh) 2001-04-11
WO2000040062A1 (en) 2000-07-06
EP1057381A1 (de) 2000-12-06
CN1178559C (zh) 2004-12-01
DE69903000D1 (de) 2002-10-24
EP1057381B1 (de) 2002-09-18

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee