ZA9811774B - Electronic ballast. - Google Patents
Electronic ballast.Info
- Publication number
- ZA9811774B ZA9811774B ZA9811774A ZA9811774A ZA9811774B ZA 9811774 B ZA9811774 B ZA 9811774B ZA 9811774 A ZA9811774 A ZA 9811774A ZA 9811774 A ZA9811774 A ZA 9811774A ZA 9811774 B ZA9811774 B ZA 9811774B
- Authority
- ZA
- South Africa
- Prior art keywords
- gas
- voltage potential
- discharge lamp
- electronic
- operating
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Organic Insulating Materials (AREA)
- Discharge Heating (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Glass Compositions (AREA)
- Furan Compounds (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19757667 | 1997-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA9811774B true ZA9811774B (en) | 1999-06-29 |
Family
ID=7853257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9811774A ZA9811774B (en) | 1997-12-23 | 1998-12-22 | Electronic ballast. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1048190B1 (xx) |
AT (1) | ATE240030T1 (xx) |
AU (1) | AU1962499A (xx) |
DE (1) | DE59808310D1 (xx) |
ES (1) | ES2195438T3 (xx) |
WO (1) | WO1999034648A1 (xx) |
ZA (1) | ZA9811774B (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10134566A1 (de) * | 2001-07-16 | 2003-02-06 | Tridonicatco Gmbh & Co Kg | Elektronisches Vorschaltgerät mit Vorheizbetrieb |
DE10206731B4 (de) * | 2002-02-18 | 2016-12-22 | Tridonic Gmbh & Co Kg | Lampensensor für ein Vorschaltgerät zum Betrieb einer Gasentladunslampe |
DE102005042527B4 (de) * | 2005-09-07 | 2015-10-29 | Osram Gmbh | Schaltungsanordnung und Verfahren zum Betreiben einer Entladungslampe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1121148B (it) * | 1979-06-26 | 1986-03-26 | Siliani Pier | Circuito d accensione per tubi fluorescenti e simili con riscaldamento preliminare dei filamenti |
US4958108A (en) * | 1989-02-14 | 1990-09-18 | Avtech Corporation | Universal fluorescent lamp ballast |
US5030887A (en) * | 1990-01-29 | 1991-07-09 | Guisinger John E | High frequency fluorescent lamp exciter |
EP0594880B1 (de) * | 1992-10-28 | 1998-01-28 | Knobel Ag Lichttechnische Komponenten | Verfahren und Schaltungsanordnung zum Zünden von Leuchtstofflampen bei vorbestimmter Temperatur der Lampenkathoden |
NL9301694A (nl) * | 1993-10-01 | 1995-05-01 | Cm Personnel Participation Bv | Electronische voorschakelinrichting voor gasontladingsbuizen. |
US5424611A (en) * | 1993-12-22 | 1995-06-13 | At&T Corp. | Method for pre-heating a gas-discharge lamp |
-
1998
- 1998-11-19 AT AT98964410T patent/ATE240030T1/de active
- 1998-11-19 AU AU19624/99A patent/AU1962499A/en not_active Abandoned
- 1998-11-19 DE DE59808310T patent/DE59808310D1/de not_active Expired - Lifetime
- 1998-11-19 ES ES98964410T patent/ES2195438T3/es not_active Expired - Lifetime
- 1998-11-19 WO PCT/EP1998/007426 patent/WO1999034648A1/de active IP Right Grant
- 1998-11-19 EP EP98964410A patent/EP1048190B1/de not_active Expired - Lifetime
- 1998-12-22 ZA ZA9811774A patent/ZA9811774B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP1048190A1 (de) | 2000-11-02 |
ES2195438T3 (es) | 2003-12-01 |
EP1048190B1 (de) | 2003-05-07 |
WO1999034648A1 (de) | 1999-07-08 |
AU1962499A (en) | 1999-07-19 |
ATE240030T1 (de) | 2003-05-15 |
DE59808310D1 (de) | 2003-06-12 |
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