DE68920967D1 - Beleuchtungsgerät mit Entladungslampe mit Spannungssteuerung am Schalttransistor während der Zündung. - Google Patents
Beleuchtungsgerät mit Entladungslampe mit Spannungssteuerung am Schalttransistor während der Zündung.Info
- Publication number
- DE68920967D1 DE68920967D1 DE68920967T DE68920967T DE68920967D1 DE 68920967 D1 DE68920967 D1 DE 68920967D1 DE 68920967 T DE68920967 T DE 68920967T DE 68920967 T DE68920967 T DE 68920967T DE 68920967 D1 DE68920967 D1 DE 68920967D1
- Authority
- DE
- Germany
- Prior art keywords
- lighting device
- discharge lamp
- voltage control
- switching transistor
- transistor during
- 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
-
- 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
- H05B41/2825—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 by means of a bridge converter in the final stage
- H05B41/2827—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 by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
-
- 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
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63302393A JPH02192695A (ja) | 1988-11-30 | 1988-11-30 | 放電灯点灯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68920967D1 true DE68920967D1 (de) | 1995-03-16 |
DE68920967T2 DE68920967T2 (de) | 1995-05-24 |
Family
ID=17908372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68920967T Expired - Fee Related DE68920967T2 (de) | 1988-11-30 | 1989-11-28 | Beleuchtungsgerät mit Entladungslampe mit Spannungssteuerung am Schalttransistor während der Zündung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5087862A (de) |
EP (1) | EP0371439B1 (de) |
JP (1) | JPH02192695A (de) |
KR (1) | KR920007751B1 (de) |
DE (1) | DE68920967T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5331534A (en) * | 1991-11-20 | 1994-07-19 | Tokyo Electric Co., Ltd. | Power supply apparatus |
DE4238409A1 (de) * | 1992-11-13 | 1994-05-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betrieb von Niederdruckentladungslampen |
FR2707051B1 (de) * | 1993-06-10 | 1996-03-08 | Matsushita Electric Works Ltd | |
JPH11514146A (ja) * | 1996-08-14 | 1999-11-30 | コーニンクレッカ、フィリップス、エレクトロニクス、エヌ.ヴィ. | 回路装置 |
GB2326543B (en) * | 1997-06-19 | 1999-12-08 | Toshiba Lighting & Technology | Lighting apparatus |
EP1692112A4 (de) * | 2003-12-08 | 2008-09-24 | Cytokinetics Inc | Verbindungen, zusammensetzungen und verfahren |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2934942A1 (de) * | 1979-08-29 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum zuenden und betrieb einer gasentladungsroehre |
US4339695A (en) * | 1980-06-05 | 1982-07-13 | Unicorn Electrical Products | High pressure sodium lamp ballast circuit |
DE3108548C2 (de) * | 1981-03-06 | 1986-07-31 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Zündschaltung für eine Hochdruckmetalldampfentladungslampe |
FR2503954A1 (fr) * | 1981-04-09 | 1982-10-15 | Sefli | Procede de decoupage essentiellement sinusoidal d'une tension continue avec regulation et dispositif pour sa mise en oeuvre |
US4495446A (en) * | 1982-12-27 | 1985-01-22 | General Electric Company | Lighting unit with improved control sequence |
JPS59198699A (ja) * | 1983-04-27 | 1984-11-10 | 株式会社日立製作所 | 高圧放電灯の点灯方法 |
JPS61110996A (ja) * | 1984-11-05 | 1986-05-29 | 株式会社日立製作所 | 高圧放電灯点灯装置 |
GB8625329D0 (en) * | 1986-10-22 | 1986-11-26 | Valor Int Ltd | Control gear for gas discharge lighting |
JPH01160374A (ja) * | 1987-12-17 | 1989-06-23 | Toshiba Electric Equip Corp | インバータ |
-
1988
- 1988-11-30 JP JP63302393A patent/JPH02192695A/ja active Pending
-
1989
- 1989-11-28 EP EP89121897A patent/EP0371439B1/de not_active Expired - Lifetime
- 1989-11-28 DE DE68920967T patent/DE68920967T2/de not_active Expired - Fee Related
- 1989-11-30 US US07/443,491 patent/US5087862A/en not_active Expired - Fee Related
- 1989-11-30 KR KR1019890017643A patent/KR920007751B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5087862A (en) | 1992-02-11 |
EP0371439A3 (de) | 1991-10-30 |
KR920007751B1 (ko) | 1992-09-16 |
KR900008917A (ko) | 1990-06-03 |
JPH02192695A (ja) | 1990-07-30 |
DE68920967T2 (de) | 1995-05-24 |
EP0371439A2 (de) | 1990-06-06 |
EP0371439B1 (de) | 1995-02-01 |
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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 |