EP0198632A3 - Elektronisches Vorschaltgerät für Leuchtstofflampen - Google Patents

Elektronisches Vorschaltgerät für Leuchtstofflampen Download PDF

Info

Publication number
EP0198632A3
EP0198632A3 EP86302471A EP86302471A EP0198632A3 EP 0198632 A3 EP0198632 A3 EP 0198632A3 EP 86302471 A EP86302471 A EP 86302471A EP 86302471 A EP86302471 A EP 86302471A EP 0198632 A3 EP0198632 A3 EP 0198632A3
Authority
EP
European Patent Office
Prior art keywords
transistor
lamp
ballast
voltage
transformer
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.)
Withdrawn
Application number
EP86302471A
Other languages
English (en)
French (fr)
Other versions
EP0198632A2 (de
Inventor
Chwee Tor Lee
Chwee Hock Lee
Chuie Puak Lee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0198632A2 publication Critical patent/EP0198632A2/de
Publication of EP0198632A3 publication Critical patent/EP0198632A3/de
Withdrawn legal-status Critical Current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
    • H05B41/295—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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
EP86302471A 1985-04-04 1986-04-03 Elektronisches Vorschaltgerät für Leuchtstofflampen Withdrawn EP0198632A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8508913 1985-04-04
GB858508913A GB8508913D0 (en) 1985-04-04 1985-04-04 Electronic ballast

Publications (2)

Publication Number Publication Date
EP0198632A2 EP0198632A2 (de) 1986-10-22
EP0198632A3 true EP0198632A3 (de) 1987-03-25

Family

ID=10577241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86302471A Withdrawn EP0198632A3 (de) 1985-04-04 1986-04-03 Elektronisches Vorschaltgerät für Leuchtstofflampen

Country Status (2)

Country Link
EP (1) EP0198632A3 (de)
GB (1) GB8508913D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601840A1 (fr) * 1986-07-15 1988-01-22 Kneider Francois Dispositif electronique d'alimentation de lampes, lampes a decharge, tubes a decharge, etc.
DE3805510A1 (de) * 1988-02-22 1989-08-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer niederdruckentladungslampe
JPH0389493A (ja) * 1989-08-31 1991-04-15 Toshiba Lighting & Technol Corp 放電灯点灯装置
EP0620700A1 (de) * 1993-04-15 1994-10-19 Heinrich Korte Vorschaltgerät
FR2719734B1 (fr) * 1994-05-06 1996-07-26 Valeo Vision Dispositif d'alimentation de lampe à décharge, notamment pour l'éclairage intérieur ou la signalisation de véhicule.
US5767631A (en) * 1996-12-20 1998-06-16 Motorola Inc. Power supply and electronic ballast with low-cost inverter bootstrap power source
DE19805314A1 (de) 1998-02-10 1999-08-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb mindestens einer elektrodenlosen Entladungslampe
RU2147680C1 (ru) * 1998-09-28 2000-04-20 Самарский государственный технический университет Способ выявления расположения древних водонефтяных контактов в продуктивных карбонатных пластах
US6555974B1 (en) * 2000-11-21 2003-04-29 General Electric Company Wiring geometry for multiple integral lamps

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005335A (en) * 1975-07-15 1977-01-25 Iota Engineering Inc. High frequency power source for fluorescent lamps and the like
US4150323A (en) * 1975-10-01 1979-04-17 Sonca Industries Ltd. Intensity control of fluorescent lamps

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005335A (en) * 1975-07-15 1977-01-25 Iota Engineering Inc. High frequency power source for fluorescent lamps and the like
US4150323A (en) * 1975-10-01 1979-04-17 Sonca Industries Ltd. Intensity control of fluorescent lamps

Also Published As

Publication number Publication date
GB8508913D0 (en) 1985-05-09
EP0198632A2 (de) 1986-10-22

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