EP0208083A3 - Dimmer circuit for an electronic ballast circuit for a fluorescent lamp - Google Patents
Dimmer circuit for an electronic ballast circuit for a fluorescent lamp Download PDFInfo
- Publication number
- EP0208083A3 EP0208083A3 EP86106303A EP86106303A EP0208083A3 EP 0208083 A3 EP0208083 A3 EP 0208083A3 EP 86106303 A EP86106303 A EP 86106303A EP 86106303 A EP86106303 A EP 86106303A EP 0208083 A3 EP0208083 A3 EP 0208083A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit
- fluorescent lamp
- electronic ballast
- current
- 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.)
- Granted
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
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86106303T ATE59754T1 (en) | 1985-07-11 | 1986-05-07 | DIMMING CIRCUIT FOR AN ELECTRONIC FLUORESCENT LAMP BALLAST. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853524681 DE3524681A1 (en) | 1985-07-11 | 1985-07-11 | DIMMER SWITCH FOR AN ELECTRONIC FLUORESCENT LAMP CONTROLLER |
DE3524681 | 1985-07-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0208083A2 EP0208083A2 (en) | 1987-01-14 |
EP0208083A3 true EP0208083A3 (en) | 1987-03-18 |
EP0208083B1 EP0208083B1 (en) | 1991-01-02 |
Family
ID=6275438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86106303A Expired - Lifetime EP0208083B1 (en) | 1985-07-11 | 1986-05-07 | Dimmer circuit for an electronic ballast circuit for a fluorescent lamp |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0208083B1 (en) |
AT (1) | ATE59754T1 (en) |
DE (2) | DE3524681A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0444635A1 (en) * | 1990-02-28 | 1991-09-04 | Toshiba Lighting & Technology Corporation | Illumination control apparatus |
DE4039161C2 (en) * | 1990-12-07 | 2001-05-31 | Zumtobel Ag Dornbirn | System for controlling the brightness and operating behavior of fluorescent lamps |
FR2681754B1 (en) * | 1991-09-23 | 1993-12-24 | Electricite De France | ELECTRICAL LIGHTING INSTALLATION AND METHOD FOR CONTROLLING AND MONITORING THE SAME. |
FR2684511B1 (en) * | 1991-11-28 | 1994-06-03 | Boudan Jacques | METHOD AND DEVICES CONTRIBUTING TO THE REALIZATION OF A NETWORK OF ELECTRICAL POWER CONVERTERS CONNECTED TO A CENTRAL UNIT. |
DE4401823A1 (en) * | 1994-01-22 | 1995-07-27 | Efmt Entwicklungs Und Forschun | Electric load control device e.g. for fluorescent light device |
DE19530485A1 (en) * | 1995-08-18 | 1997-02-20 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Method and circuit arrangement for operating an electric lamp |
JP3631933B2 (en) | 1999-02-14 | 2005-03-23 | 矢崎総業株式会社 | Switching device |
DE10011306A1 (en) * | 2000-03-10 | 2001-09-13 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Device for controlling light sources with ballast |
US6969955B2 (en) | 2004-01-29 | 2005-11-29 | Axis Technologies, Inc. | Method and apparatus for dimming control of electronic ballasts |
CA2727529A1 (en) | 2008-06-13 | 2009-12-17 | Queen's University At Kingston | Dimmable single stage electronic ballast with high power factor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4039897A (en) * | 1976-03-08 | 1977-08-02 | Dragoset James E | System for controlling power applied to a gas discharge lamp |
FR2408273A1 (en) * | 1977-11-07 | 1979-06-01 | Widmayer Frederick | FLUORESCENT TUBES INSTALLATIONS, ESPECIALLY LIGHTING INSTALLATIONS |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2416617A1 (en) * | 1978-02-07 | 1979-08-31 | Signaux Entr Electriques | CONVERTER FOR THE POWER SUPPLY OF DISCHARGE LAMPS, AND MORE GENERALLY OF ARC LAMPS, AND ITS APPLICATION TO PROJECTORS FOR SUCH LAMPS |
CA1112295A (en) * | 1978-03-31 | 1981-11-10 | Nabil K. Takla | Programmable lighting control system |
DE2942468A1 (en) * | 1979-10-20 | 1981-04-30 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg | Supply circuit for fluorescent lamp - has rectifier and HF DC=AC converter contg. heating circuit |
-
1985
- 1985-07-11 DE DE19853524681 patent/DE3524681A1/en active Granted
-
1986
- 1986-05-07 EP EP86106303A patent/EP0208083B1/en not_active Expired - Lifetime
- 1986-05-07 DE DE8686106303T patent/DE3676363D1/en not_active Expired - Lifetime
- 1986-05-07 AT AT86106303T patent/ATE59754T1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4039897A (en) * | 1976-03-08 | 1977-08-02 | Dragoset James E | System for controlling power applied to a gas discharge lamp |
FR2408273A1 (en) * | 1977-11-07 | 1979-06-01 | Widmayer Frederick | FLUORESCENT TUBES INSTALLATIONS, ESPECIALLY LIGHTING INSTALLATIONS |
Also Published As
Publication number | Publication date |
---|---|
DE3524681C2 (en) | 1988-07-14 |
EP0208083B1 (en) | 1991-01-02 |
DE3676363D1 (en) | 1991-02-07 |
EP0208083A2 (en) | 1987-01-14 |
DE3524681A1 (en) | 1987-01-22 |
ATE59754T1 (en) | 1991-01-15 |
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