WO2002082869A1 - Output circuit of an electronic ballast for a fluorescent lamp - Google Patents
Output circuit of an electronic ballast for a fluorescent lamp Download PDFInfo
- Publication number
- WO2002082869A1 WO2002082869A1 PCT/EP2002/003634 EP0203634W WO02082869A1 WO 2002082869 A1 WO2002082869 A1 WO 2002082869A1 EP 0203634 W EP0203634 W EP 0203634W WO 02082869 A1 WO02082869 A1 WO 02082869A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capacitor
- electronic ballast
- output circuit
- lamp tube
- lamp
- 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
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN01112457.1 | 2001-04-03 | ||
CNB011124571A CN1190110C (en) | 2001-04-03 | 2001-04-03 | Output circuit of electronic ballast of fluorescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002082869A1 true WO2002082869A1 (en) | 2002-10-17 |
Family
ID=4659282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/003634 WO2002082869A1 (en) | 2001-04-03 | 2002-04-02 | Output circuit of an electronic ballast for a fluorescent lamp |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN1190110C (en) |
WO (1) | WO2002082869A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014419A1 (en) * | 1980-04-15 | 1981-10-22 | Siemens AG, 1000 Berlin und 8000 München | Discharge lamp auxiliary power supply - has separate oscillator and independently powered regulation circuit providing high stability lamp voltage |
US4647820A (en) * | 1984-03-23 | 1987-03-03 | U.S. Philips Corporation | Discharge lamp ignition and supply circuit having a PTC resistor |
US5502423A (en) * | 1993-04-23 | 1996-03-26 | Matsushita Electric Works, Ltd. | Discharge lamp lighting device |
US5880564A (en) * | 1996-05-15 | 1999-03-09 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | High-frequency operating circuit for a low-pressure discharge lamp with improved electromagnetic compatibility |
-
2001
- 2001-04-03 CN CNB011124571A patent/CN1190110C/en not_active Expired - Fee Related
-
2002
- 2002-04-02 WO PCT/EP2002/003634 patent/WO2002082869A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014419A1 (en) * | 1980-04-15 | 1981-10-22 | Siemens AG, 1000 Berlin und 8000 München | Discharge lamp auxiliary power supply - has separate oscillator and independently powered regulation circuit providing high stability lamp voltage |
US4647820A (en) * | 1984-03-23 | 1987-03-03 | U.S. Philips Corporation | Discharge lamp ignition and supply circuit having a PTC resistor |
US5502423A (en) * | 1993-04-23 | 1996-03-26 | Matsushita Electric Works, Ltd. | Discharge lamp lighting device |
US5880564A (en) * | 1996-05-15 | 1999-03-09 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | High-frequency operating circuit for a low-pressure discharge lamp with improved electromagnetic compatibility |
Also Published As
Publication number | Publication date |
---|---|
CN1378413A (en) | 2002-11-06 |
CN1190110C (en) | 2005-02-16 |
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