GB2464497B - Fluorescent light electronic ballast circuit - Google Patents

Fluorescent light electronic ballast circuit

Info

Publication number
GB2464497B
GB2464497B GB0819014.2A GB0819014A GB2464497B GB 2464497 B GB2464497 B GB 2464497B GB 0819014 A GB0819014 A GB 0819014A GB 2464497 B GB2464497 B GB 2464497B
Authority
GB
United Kingdom
Prior art keywords
fluorescent light
electronic ballast
ballast circuit
light electronic
circuit
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
GB0819014.2A
Other versions
GB0819014D0 (en
GB2464497A (en
Inventor
Wen-Hsin Chao
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.)
Kaoyi Electronic Co Ltd
Original Assignee
Kaoyi Electronic Co Ltd
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 Kaoyi Electronic Co Ltd filed Critical Kaoyi Electronic Co Ltd
Priority to GB0819014.2A priority Critical patent/GB2464497B/en
Publication of GB0819014D0 publication Critical patent/GB0819014D0/en
Publication of GB2464497A publication Critical patent/GB2464497A/en
Application granted granted Critical
Publication of GB2464497B publication Critical patent/GB2464497B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B41/295—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
    • 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
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4266—Arrangements for improving power factor of AC input using passive elements
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB0819014.2A 2008-10-17 2008-10-17 Fluorescent light electronic ballast circuit Expired - Fee Related GB2464497B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0819014.2A GB2464497B (en) 2008-10-17 2008-10-17 Fluorescent light electronic ballast circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0819014.2A GB2464497B (en) 2008-10-17 2008-10-17 Fluorescent light electronic ballast circuit

Publications (3)

Publication Number Publication Date
GB0819014D0 GB0819014D0 (en) 2008-11-26
GB2464497A GB2464497A (en) 2010-04-21
GB2464497B true GB2464497B (en) 2013-07-31

Family

ID=40097553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0819014.2A Expired - Fee Related GB2464497B (en) 2008-10-17 2008-10-17 Fluorescent light electronic ballast circuit

Country Status (1)

Country Link
GB (1) GB2464497B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914558A (en) * 1989-03-06 1990-04-03 Jon Flickinger Series resonant inverter and method of lamp starting
EP0621743A1 (en) * 1993-04-23 1994-10-26 Koninklijke Philips Electronics N.V. Power factor correcting circuit
JPH08149846A (en) * 1994-11-25 1996-06-07 Matsushita Electric Works Ltd Power supply
DE19702655A1 (en) * 1997-01-25 1998-07-30 Schiederwerk Guenter Schmidt G Rectifier device for power pack e.g. for supplying discharge lamps
US5939837A (en) * 1997-07-15 1999-08-17 Magnetek, Inc. Electronic ballast circuit for independently increasing the power factor and decreasing the crest factor
EP1146627A2 (en) * 2000-04-10 2001-10-17 Speedy-Tech Electronics (S) Pte Ltd. Apparatus for shaping input waveform
EP1345311A2 (en) * 2002-03-15 2003-09-17 VLM S.p.A. High power-factor electronic reactor for discharge lamps

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914558A (en) * 1989-03-06 1990-04-03 Jon Flickinger Series resonant inverter and method of lamp starting
EP0621743A1 (en) * 1993-04-23 1994-10-26 Koninklijke Philips Electronics N.V. Power factor correcting circuit
JPH08149846A (en) * 1994-11-25 1996-06-07 Matsushita Electric Works Ltd Power supply
DE19702655A1 (en) * 1997-01-25 1998-07-30 Schiederwerk Guenter Schmidt G Rectifier device for power pack e.g. for supplying discharge lamps
US5939837A (en) * 1997-07-15 1999-08-17 Magnetek, Inc. Electronic ballast circuit for independently increasing the power factor and decreasing the crest factor
EP1146627A2 (en) * 2000-04-10 2001-10-17 Speedy-Tech Electronics (S) Pte Ltd. Apparatus for shaping input waveform
EP1345311A2 (en) * 2002-03-15 2003-09-17 VLM S.p.A. High power-factor electronic reactor for discharge lamps

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Peter N. Wood: Fluorescent Ballast Design Using Passive P.F.C. and Crest Factor Control, available at http://www.irf.com/technical-info/designtp/temp004.pdf *

Also Published As

Publication number Publication date
GB0819014D0 (en) 2008-11-26
GB2464497A (en) 2010-04-21

Similar Documents

Publication Publication Date Title
EP2345310A4 (en) Dimmable single stage electronic ballast with high power factor
EP2380407A4 (en) Ballast/line detection circuit for fluorescent replacement lamps
ZA201203773B (en) Electronic ballast circuit for lamps
EP2286639A4 (en) Multi-lamps instant start electronic ballast
EP2430888A4 (en) Electronic circuit for dc conversion of fluorescent lighting ballast
EP2302662A4 (en) Fluorescent lamp
ZA201000936B (en) An led lamp
EP2379671A4 (en) Electronic devices having long lifetime
TWI320674B (en) Multi-lamp driving circuit
IL207862A0 (en) Complimentary application specific integrated circuit for compact fluorescent lamps
ZA200901582B (en) Electronic ballast with improved inverter startup circuit
EP2294900A4 (en) Dimming fluorescent ballast system with shutdown control circuit
TWM373705U (en) Improved circuit board structure for religious lighting
HK1115992A2 (en) Electronic dimming methods for solid state electronic ballasts
GB2464497B (en) Fluorescent light electronic ballast circuit
EP2329515A4 (en) Mercury-free discharge lamp
SE0802526L (en) Fluorescent lamp
GB0801567D0 (en) Housing for electronic ballast
EP2560465A4 (en) Preheating circuit applied to fluorescent lamp electronic ballast
HK1086446A1 (en) Dimming fluorescent lamp
GB0712875D0 (en) Fluorescent lamp
HU0900604D0 (en) Electronic circuit for igniting and driving fluorescent lamps
EP2378842A4 (en) Electronic device for switching on a fluorescent lamp and fluorescent lamp which comprises said device
EP2281422A4 (en) Planar circuit for driving gas discharge lamps
HU0900624D0 (en) Electronic switching for fluorescent lamp and fluorescent lamp

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131031