DE69626603T2 - Vorschaltgerät - Google Patents

Vorschaltgerät

Info

Publication number
DE69626603T2
DE69626603T2 DE69626603T DE69626603T DE69626603T2 DE 69626603 T2 DE69626603 T2 DE 69626603T2 DE 69626603 T DE69626603 T DE 69626603T DE 69626603 T DE69626603 T DE 69626603T DE 69626603 T2 DE69626603 T2 DE 69626603T2
Authority
DE
Germany
Prior art keywords
combination
fundamental frequency
serially connected
filament
lamp
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
DE69626603T
Other languages
English (en)
Other versions
DE69626603D1 (de
Inventor
B Mattas
A Erhardt
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
Publication of DE69626603D1 publication Critical patent/DE69626603D1/de
Application granted granted Critical
Publication of DE69626603T2 publication Critical patent/DE69626603T2/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
    • H05B41/26—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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit 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
    • H05B41/282—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
    • H05B41/2825—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 by means of a bridge converter in the final stage
    • H05B41/2828—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 by means of a bridge converter in the final stage using control circuits for the switching elements
    • 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
    • Y10S315/05—Starting and operating circuit for fluorescent lamp

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
DE69626603T 1995-06-02 1996-05-30 Vorschaltgerät Expired - Fee Related DE69626603T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/458,209 US5563473A (en) 1992-08-20 1995-06-02 Electronic ballast for operating lamps in parallel
PCT/IB1996/000519 WO1996039010A1 (en) 1995-06-02 1996-05-30 Ballast circuit

Publications (2)

Publication Number Publication Date
DE69626603D1 DE69626603D1 (de) 2003-04-17
DE69626603T2 true DE69626603T2 (de) 2003-12-18

Family

ID=23819812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626603T Expired - Fee Related DE69626603T2 (de) 1995-06-02 1996-05-30 Vorschaltgerät

Country Status (10)

Country Link
US (1) US5563473A (de)
EP (1) EP0774199B1 (de)
JP (1) JPH10503881A (de)
CN (1) CN1137606C (de)
AT (1) ATE234541T1 (de)
CA (1) CA2196573A1 (de)
DE (1) DE69626603T2 (de)
MX (1) MX9700772A (de)
TW (1) TW351047B (de)
WO (1) WO1996039010A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5545955A (en) * 1994-03-04 1996-08-13 International Rectifier Corporation MOS gate driver for ballast circuits
EP0926928B1 (de) * 1997-04-17 2005-01-05 Toshiba Lighting & Technology Corporation Entladungslampe und beleuchtungsvorrichtung
US6285138B1 (en) 1998-12-09 2001-09-04 Matsushita Electric Industrial Co., Ltd. Apparatus for lighting fluorescent lamp
US6111369A (en) * 1998-12-18 2000-08-29 Clalight Israel Ltd. Electronic ballast
US7592753B2 (en) 1999-06-21 2009-09-22 Access Business Group International Llc Inductively-powered gas discharge lamp circuit
DE10013342A1 (de) * 2000-03-17 2001-09-27 Trilux Lenze Gmbh & Co Kg Verfahren und Schaltungsanordnung zur Erzeugung einer Zündspannung für Leuchtstofflampen
US6281641B1 (en) * 2000-05-01 2001-08-28 Universal Lighting Technologies Electronic ballast for one or more lamps
US6661185B2 (en) * 2001-03-22 2003-12-09 Matsushita Electric Industrial Co., Ltd. Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus
US6597128B2 (en) 2001-10-03 2003-07-22 Hubbell Incorporated Remote discharge lamp ignition circuitry
NL1020276C2 (nl) * 2002-03-28 2003-09-30 Nedap Nv Elektronisch voorschakelapparaat voor gasontladingslampen.
BR0205859A (pt) * 2002-11-13 2004-08-03 Inst De Tecnologia Para O Dese Reator eletrônico para lâmpadas fluorescentes tipo ho
NL1022296C2 (nl) * 2003-01-02 2004-07-05 Nedap Nv Methode om meerdere gasontladingslampen uit één DC-AC-converter te voeden, en een elektronisch voorschakelapparaat, dat gebruik maakt van deze methode.
US7187139B2 (en) 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system
ATE458382T1 (de) 2003-10-06 2010-03-15 Microsemi Corp Stromteilungsschema und einrichtung für mehrfach- ccf-lampenbetrieb
WO2005043592A2 (en) 2003-10-21 2005-05-12 Microsemi Corporation Balancing transformers for lamps driven in parallel
US7265499B2 (en) 2003-12-16 2007-09-04 Microsemi Corporation Current-mode direct-drive inverter
GB0330019D0 (en) * 2003-12-24 2004-01-28 Powell David J Apparatus and method for controlling discharge lights
US7468722B2 (en) 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
US7112929B2 (en) 2004-04-01 2006-09-26 Microsemi Corporation Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
US7250731B2 (en) 2004-04-07 2007-07-31 Microsemi Corporation Primary side current balancing scheme for multiple CCF lamp operation
US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
TWM265641U (en) * 2004-06-09 2005-05-21 Rilite Corportation Double shielded electroluminescent panel
US7173382B2 (en) 2005-03-31 2007-02-06 Microsemi Corporation Nested balancing topology for balancing current among multiple lamps
US7061183B1 (en) 2005-03-31 2006-06-13 Microsemi Corporation Zigzag topology for balancing current among paralleled gas discharge lamps
US7313006B2 (en) * 2005-05-13 2007-12-25 Microsemi Corporation Shoot-through prevention circuit for passive level-shifter
DE102005052969A1 (de) * 2005-11-07 2007-05-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung und Verfahren zum Einstellen eines Farbortes einer Lichtquellenanordnung
KR20080099327A (ko) * 2006-02-14 2008-11-12 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 조명 디바이스, 디스플레이 디바이스, 텔레비전 디바이스, 및 조명 디바이스의 광 강도 제어 방법
WO2007126737A2 (en) * 2006-04-03 2007-11-08 Ceelite Llc Constant brightness control for electro-luminescent lamp
US7569998B2 (en) 2006-07-06 2009-08-04 Microsemi Corporation Striking and open lamp regulation for CCFL controller
US7821208B2 (en) 2007-01-08 2010-10-26 Access Business Group International Llc Inductively-powered gas discharge lamp circuit
TW200939886A (en) 2008-02-05 2009-09-16 Microsemi Corp Balancing arrangement with reduced amount of balancing transformers
US8093839B2 (en) 2008-11-20 2012-01-10 Microsemi Corporation Method and apparatus for driving CCFL at low burst duty cycle rates
CN102334271B (zh) * 2009-02-26 2015-04-29 皇家飞利浦电子股份有限公司 谐振转换器
US8203273B1 (en) 2009-04-13 2012-06-19 Universal Lighting Technologies, Inc. Ballast circuit for a gas discharge lamp that reduces a pre-heat voltage to the lamp filaments during lamp ignition
TWI404460B (zh) * 2009-07-21 2013-08-01 An electronic ballast that senses the brightness of the power line
US8931457B2 (en) * 2009-08-18 2015-01-13 Woodward, Inc. Multiplexing drive circuit for an AC ignition system with current mode control and fault tolerance detection
US8441203B1 (en) 2010-06-17 2013-05-14 Universal Lighting Technologies, Inc. Dimming electronic ballast for true parallel lamp operation
US9030119B2 (en) 2010-07-19 2015-05-12 Microsemi Corporation LED string driver arrangement with non-dissipative current balancer
CN103477712B (zh) 2011-05-03 2015-04-08 美高森美公司 高效led驱动方法
US8754581B2 (en) 2011-05-03 2014-06-17 Microsemi Corporation High efficiency LED driving method for odd number of LED strings
WO2015069203A1 (en) 2013-11-06 2015-05-14 Santa Farma Ilaç Sanayi A.Ş. Capsule comprising rupatadine fumarate and montelukast sodium
US9312750B2 (en) * 2014-01-22 2016-04-12 The University Of Hong Kong Electronic apparatus and control method for high frequency AC to DC conversion

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214356A (en) * 1978-12-28 1993-05-25 Nilssen Ole K Dimmable fluorescent lamp ballast
DE2941822A1 (de) * 1979-10-16 1981-04-30 Patra Patent Treuhand Vorschaltanordnung zum betreiben von niederdruckentladungslampen
US4388562A (en) * 1980-11-06 1983-06-14 Astec Components, Ltd. Electronic ballast circuit
US4396866A (en) * 1980-12-29 1983-08-02 Gte Products Corporation Lamp filament drive scheme providing for control of filament voltages by use of lamp current in solid state ballasts
EP0146683B1 (de) * 1981-07-31 1987-11-19 Siemens Aktiengesellschaft Wechselrichter
US4641061A (en) * 1985-04-22 1987-02-03 Emerson Electric Co. Solid state ballast for gaseous discharge lamps
US5013974A (en) * 1987-08-24 1991-05-07 Nilssen Ole K Electronic ballast with improved lamp current crest factor
JPH0389493A (ja) * 1989-08-31 1991-04-15 Toshiba Lighting & Technol Corp 放電灯点灯装置
US5172034A (en) * 1990-03-30 1992-12-15 The Softube Corporation Wide range dimmable fluorescent lamp ballast system
US5175470A (en) * 1990-12-19 1992-12-29 North American Philips Corporation Fluorescent lamp electrode disconnect arrangement
ATE147925T1 (de) * 1992-08-20 1997-02-15 Philips Electronics Nv Verschaltgerät für eine lampe

Also Published As

Publication number Publication date
CN1137606C (zh) 2004-02-04
ATE234541T1 (de) 2003-03-15
DE69626603D1 (de) 2003-04-17
EP0774199B1 (de) 2003-03-12
US5563473A (en) 1996-10-08
CA2196573A1 (en) 1996-12-05
MX9700772A (es) 1997-05-31
JPH10503881A (ja) 1998-04-07
TW351047B (en) 1999-01-21
CN1159279A (zh) 1997-09-10
EP0774199A1 (de) 1997-05-21
WO1996039010A1 (en) 1996-12-05

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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