ZA871394B - Fluorescent lamp operating circuit - Google Patents
Fluorescent lamp operating circuitInfo
- Publication number
- ZA871394B ZA871394B ZA871394A ZA871394A ZA871394B ZA 871394 B ZA871394 B ZA 871394B ZA 871394 A ZA871394 A ZA 871394A ZA 871394 A ZA871394 A ZA 871394A ZA 871394 B ZA871394 B ZA 871394B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit
- pressure discharge
- thyristor
- resistor
- capacitor
- 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
- H05B41/26—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
-
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Toys (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Radiation (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863608615 DE3608615A1 (de) | 1986-03-14 | 1986-03-14 | Schaltungsanordnung zum betrieb von niederdruckentladungslampen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA871394B true ZA871394B (en) | 1987-09-30 |
Family
ID=6296402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA871394A ZA871394B (en) | 1986-03-14 | 1987-02-26 | Fluorescent lamp operating circuit |
Country Status (7)
Country | Link |
---|---|
US (1) | US4710682A (fr) |
EP (1) | EP0239793B1 (fr) |
AT (1) | ATE65009T1 (fr) |
DE (2) | DE3608615A1 (fr) |
FI (1) | FI870901A (fr) |
SU (1) | SU1574187A3 (fr) |
ZA (1) | ZA871394B (fr) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3623749A1 (de) * | 1986-07-14 | 1988-01-21 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum betrieb von niederdruckentladungslampen |
GB2211038A (en) * | 1987-10-14 | 1989-06-21 | Sum Wing Lau | Protective electronic ballast circuit for fluorescent lamps |
DE3743422A1 (de) * | 1987-12-21 | 1989-06-29 | Zumtobel Ag | Schaltungsanordnung zum betreiben einer oder mehrerer niederdruckentladungslampen |
DE3805510A1 (de) * | 1988-02-22 | 1989-08-31 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum betrieb einer niederdruckentladungslampe |
US4945278A (en) * | 1988-09-20 | 1990-07-31 | Loong-Tun Chang | Fluorescent tube power supply |
DE3841227A1 (de) * | 1988-12-07 | 1990-06-13 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum betrieb einer niederdruckentladungslampe |
NL8803016A (nl) * | 1988-12-08 | 1990-07-02 | Maars Produktie B V | Voedingsketen voor een gasontladingslamp. |
DE68921620D1 (de) * | 1989-01-30 | 1995-04-13 | Flotronic Technology Pte Ltd | Monolithischer, elektronischer ballast. |
US5170099A (en) * | 1989-03-28 | 1992-12-08 | Matsushita Electric Works, Ltd. | Discharge lamp lighting device |
DE69017940T2 (de) * | 1989-04-28 | 1995-11-16 | Philips Electronics Nv | Wechselrichter zum Speisen zweier Gas und / oder Dampfentladungslampen. |
US5089753A (en) * | 1990-07-09 | 1992-02-18 | North American Philips Corporation | Arrangement for predicting failure in fluorescent lamp systems |
JPH0521182A (ja) * | 1990-12-30 | 1993-01-29 | Toshiba Lighting & Technol Corp | 放電灯点灯装置および照明器具 |
US5130611A (en) * | 1991-01-16 | 1992-07-14 | Intent Patents A.G. | Universal electronic ballast system |
US5111114A (en) * | 1991-06-18 | 1992-05-05 | L.P.S. Technology Co., Ltd. | Fluorescent lamp light ballast system |
DE4120269C2 (de) * | 1991-06-19 | 1995-12-07 | Siemens Ag | Wechselrichter zum Zünden und Betreiben einer Entladungslampe mit heizbaren Elektroden |
DE4129430A1 (de) * | 1991-09-04 | 1993-03-11 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum betrieb einer lampe |
DE4136486A1 (de) * | 1991-11-06 | 1993-05-13 | Hella Kg Hueck & Co | Vorschaltgeraet zum starten und betreiben von wechselstrom-hochdruck-gasentladungslampen |
DE59207186D1 (de) * | 1992-03-02 | 1996-10-24 | Siemens Ag | Schaltungsanordnung zum Betreiben mehrerer Leuchtstofflampen mit einem Vorschaltgerät |
DE4210367A1 (de) * | 1992-03-30 | 1993-10-07 | Abb Patent Gmbh | Elektronisches Vorschaltgerät |
DE4210373A1 (de) * | 1992-03-30 | 1993-10-07 | Abb Patent Gmbh | Elektronisches Vorschaltgerät |
US5436529A (en) * | 1993-02-01 | 1995-07-25 | Bobel; Andrzej A. | Control and protection circuit for electronic ballast |
EP0637118B1 (fr) * | 1993-07-27 | 1997-03-12 | Knobel Ag Lichttechnische Komponenten | Circuit pour limiter le courant de démarrage et surtension d'un ballast électronique |
DE9318071U1 (de) * | 1993-11-25 | 1995-03-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Schaltungsanordnung zum Betrieb einer Niederdruckentladungslampe an einer Niedervolt-Spannungsquelle |
US5394062A (en) * | 1993-12-15 | 1995-02-28 | General Electric Company | Lamp ballast circuit with overload detection and ballast operability indication features |
DE4410492A1 (de) * | 1994-03-25 | 1995-09-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betrieb von Niederdruckentladungslampen |
US5777867A (en) * | 1995-09-14 | 1998-07-07 | Suitomo Electric Industries, Ltd. | Electric discharge method and apparatus |
DE19715341C1 (de) * | 1997-04-12 | 1998-10-15 | Vossloh Schwabe Gmbh | Elektronisches Vorschaltgerät mit automatischem Wiederanlauf |
DE19715342C1 (de) * | 1997-04-12 | 1998-12-17 | Vossloh Schwabe Gmbh | Vorschaltgerät für unabhängigen Parallelbetrieb von Niederdruck-Gasentladungslampen |
US6366032B1 (en) | 2000-01-28 | 2002-04-02 | Robertson Worldwide, Inc. | Fluorescent lamp ballast with integrated circuit |
DE10046443A1 (de) * | 2000-09-18 | 2002-03-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektronische Schaltung zur Detektion des Wandelbruchs bei Gasentladungslampen |
US8018173B2 (en) * | 2006-09-03 | 2011-09-13 | Fulham Company Ltd. | Ballasts for fluorescent lamps |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2941822A1 (de) * | 1979-10-16 | 1981-04-30 | Patra Patent Treuhand | Vorschaltanordnung zum betreiben von niederdruckentladungslampen |
US4346332A (en) * | 1980-08-14 | 1982-08-24 | General Electric Company | Frequency shift inverter for variable power control |
US4477748A (en) * | 1980-10-07 | 1984-10-16 | Thomas Industries, Inc. | Solid state ballast |
EP0146683B1 (fr) * | 1981-07-31 | 1987-11-19 | Siemens Aktiengesellschaft | Onduleur |
US4481460A (en) * | 1982-02-08 | 1984-11-06 | Siemens Aktiengesellschaft | Inverter with charging regulator having a variable keying ratio |
-
1986
- 1986-03-14 DE DE19863608615 patent/DE3608615A1/de not_active Withdrawn
-
1987
- 1987-02-26 ZA ZA871394A patent/ZA871394B/xx unknown
- 1987-02-26 AT AT87102736T patent/ATE65009T1/de not_active IP Right Cessation
- 1987-02-26 EP EP87102736A patent/EP0239793B1/fr not_active Expired - Lifetime
- 1987-02-26 DE DE8787102736T patent/DE3771099D1/de not_active Expired - Fee Related
- 1987-03-02 FI FI870901A patent/FI870901A/fi not_active Application Discontinuation
- 1987-03-09 US US07/023,456 patent/US4710682A/en not_active Expired - Fee Related
- 1987-03-13 SU SU874202125A patent/SU1574187A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SU1574187A3 (ru) | 1990-06-23 |
US4710682A (en) | 1987-12-01 |
EP0239793A1 (fr) | 1987-10-07 |
DE3771099D1 (de) | 1991-08-08 |
FI870901A0 (fi) | 1987-03-02 |
FI870901A (fi) | 1987-09-15 |
DE3608615A1 (de) | 1987-09-17 |
EP0239793B1 (fr) | 1991-07-03 |
ATE65009T1 (de) | 1991-07-15 |
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