DE59506476D1 - Schaltungsanordnung zum Überwachen des Lampenbetriebs mindestens zweier Leuchtstofflampen - Google Patents
Schaltungsanordnung zum Überwachen des Lampenbetriebs mindestens zweier LeuchtstofflampenInfo
- Publication number
- DE59506476D1 DE59506476D1 DE59506476T DE59506476T DE59506476D1 DE 59506476 D1 DE59506476 D1 DE 59506476D1 DE 59506476 T DE59506476 T DE 59506476T DE 59506476 T DE59506476 T DE 59506476T DE 59506476 D1 DE59506476 D1 DE 59506476D1
- Authority
- DE
- Germany
- Prior art keywords
- fluorescent lamps
- monitoring
- circuit arrangement
- lamp operation
- control circuit
- 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.)
- Expired - Fee Related
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
- H05B41/282—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
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95108385A EP0746185B1 (fr) | 1995-05-31 | 1995-05-31 | Circuit de surveillance de l'état de functionnement d'un système à deux lampes |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59506476D1 true DE59506476D1 (de) | 1999-09-02 |
Family
ID=8219321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59506476T Expired - Fee Related DE59506476D1 (de) | 1995-05-31 | 1995-05-31 | Schaltungsanordnung zum Überwachen des Lampenbetriebs mindestens zweier Leuchtstofflampen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0746185B1 (fr) |
AT (1) | ATE182737T1 (fr) |
DE (1) | DE59506476D1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0146683B1 (fr) | 1981-07-31 | 1987-11-19 | Siemens Aktiengesellschaft | Onduleur |
DE3938677A1 (de) * | 1989-11-22 | 1991-05-23 | Trilux Lenze Gmbh & Co Kg | Leuchtstofflampen-vorschaltgeraet |
US5089753A (en) * | 1990-07-09 | 1992-02-18 | North American Philips Corporation | Arrangement for predicting failure in fluorescent lamp systems |
DE59207186D1 (de) | 1992-03-02 | 1996-10-24 | Siemens Ag | Schaltungsanordnung zum Betreiben mehrerer Leuchtstofflampen mit einem Vorschaltgerät |
-
1995
- 1995-05-31 DE DE59506476T patent/DE59506476D1/de not_active Expired - Fee Related
- 1995-05-31 AT AT95108385T patent/ATE182737T1/de not_active IP Right Cessation
- 1995-05-31 EP EP95108385A patent/EP0746185B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0746185A1 (fr) | 1996-12-04 |
ATE182737T1 (de) | 1999-08-15 |
EP0746185B1 (fr) | 1999-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |