EP0804052A3 - Circuit de commande pour une lampe à décharge - Google Patents
Circuit de commande pour une lampe à décharge Download PDFInfo
- Publication number
- EP0804052A3 EP0804052A3 EP97106831A EP97106831A EP0804052A3 EP 0804052 A3 EP0804052 A3 EP 0804052A3 EP 97106831 A EP97106831 A EP 97106831A EP 97106831 A EP97106831 A EP 97106831A EP 0804052 A3 EP0804052 A3 EP 0804052A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- luminance
- temperature
- cold cathode
- pulse packet
- 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.)
- Withdrawn
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
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
-
- 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
- H05B41/36—Controlling
-
- 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
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT743/96 | 1996-04-24 | ||
AT74396A AT407461B (de) | 1996-04-24 | 1996-04-24 | Ansteuerung für entladungslampe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0804052A2 EP0804052A2 (fr) | 1997-10-29 |
EP0804052A3 true EP0804052A3 (fr) | 1999-04-07 |
Family
ID=3498638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106831A Withdrawn EP0804052A3 (fr) | 1996-04-24 | 1997-04-24 | Circuit de commande pour une lampe à décharge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0804052A3 (fr) |
AT (1) | AT407461B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10013041A1 (de) * | 2000-03-17 | 2001-09-27 | Trilux Lenze Gmbh & Co Kg | Verfahren und Vorrichtung zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte |
DE202004005184U1 (de) * | 2004-03-30 | 2005-08-18 | Ruppel, Stefan | Lampe mit einer Kaltkathodenröhre |
DE102005014856B4 (de) | 2004-03-30 | 2010-07-08 | Stefan Ruppel | Leuchte mit einer Kaltkathodenröhre |
DE202005021520U1 (de) | 2004-03-30 | 2008-08-14 | Ruppel, Stefan | Lampe, insbesondere zum Einbau in oder zum Anbau an ein Möbel oder eine Vitrine, mit einer Kaltkathodenröhre |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887122A (en) * | 1987-11-04 | 1989-12-12 | Minolta Camera Kabushiki Kaisha | Copying machine |
EP0406116A1 (fr) * | 1989-06-30 | 1991-01-02 | Thomson-Csf | Procédé et dispositif de gradation de lumière pour lampe fluorescente d'éclairage arrière d'écran à cristaux liquides |
EP0477922A1 (fr) * | 1990-09-25 | 1992-04-01 | Toshiba Lighting & Technology Corporation | Appareil pour le fonctionnement d'une lampe à décharge |
EP0572207A2 (fr) * | 1992-05-26 | 1993-12-01 | Compaq Computer Corporation | Système de régulation de l'intensité lumineuse d'un éclairage arrière d'affichage à cristaux liquides |
WO1995012964A1 (fr) * | 1993-11-03 | 1995-05-11 | Science Applications International Corporation | Systeme d'illumination uv par l'arriere a haute efficacite pour dispositifs d'affichage electroniques |
US5428265A (en) * | 1994-02-28 | 1995-06-27 | Honeywell, Inc. | Processor controlled fluorescent lamp dimmer for aircraft liquid crystal display instruments |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087722A (en) * | 1975-05-01 | 1978-05-02 | American Ionetics, Inc. | Apparatus and method for supplying power to gas discharge lamp systems |
DE2927837C2 (de) * | 1979-07-10 | 1982-09-16 | Peter 7750 Konstanz Kreutzer | Transistorwechselrichterschaltung |
JPS57129177A (en) * | 1981-02-04 | 1982-08-11 | Toshiba Electric Equip Corp | Transistor inverter |
US4356432A (en) * | 1981-02-25 | 1982-10-26 | Exxon Research And Engineering Co. | Solid state power switch for gas discharge lamps |
US4463284A (en) * | 1981-07-28 | 1984-07-31 | Konishiroku Photo Industry Co., Ltd. | Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus |
FR2614748A1 (fr) * | 1987-04-29 | 1988-11-04 | Omega Electronics Sa | Dispositif d'alimentation d'une lampe a decharge |
US4920474A (en) * | 1989-03-23 | 1990-04-24 | North American Philips Corporation | High frequency high voltage power supply with controlled output power |
US5105125A (en) * | 1990-08-06 | 1992-04-14 | Yang Tai Her | Device for alternating bulb polarities of a DC lighting system |
JP2587718B2 (ja) * | 1990-10-01 | 1997-03-05 | 株式会社小糸製作所 | 車輌用放電灯の点灯回路 |
JP3030579B2 (ja) * | 1991-07-30 | 2000-04-10 | 株式会社キジマ | プッシュプルインバ−タ |
US5315214A (en) * | 1992-06-10 | 1994-05-24 | Metcal, Inc. | Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
DE4301276A1 (de) * | 1993-01-19 | 1994-07-21 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Verfahren und Stromversorgungseinheit zum stabilisierten Betrieb einer Natrium-Hochdruckentladungslampe |
JP3606909B2 (ja) * | 1994-07-12 | 2005-01-05 | 三菱電機株式会社 | 交流放電灯点灯装置 |
-
1996
- 1996-04-24 AT AT74396A patent/AT407461B/de not_active IP Right Cessation
-
1997
- 1997-04-24 EP EP97106831A patent/EP0804052A3/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887122A (en) * | 1987-11-04 | 1989-12-12 | Minolta Camera Kabushiki Kaisha | Copying machine |
EP0406116A1 (fr) * | 1989-06-30 | 1991-01-02 | Thomson-Csf | Procédé et dispositif de gradation de lumière pour lampe fluorescente d'éclairage arrière d'écran à cristaux liquides |
EP0477922A1 (fr) * | 1990-09-25 | 1992-04-01 | Toshiba Lighting & Technology Corporation | Appareil pour le fonctionnement d'une lampe à décharge |
EP0572207A2 (fr) * | 1992-05-26 | 1993-12-01 | Compaq Computer Corporation | Système de régulation de l'intensité lumineuse d'un éclairage arrière d'affichage à cristaux liquides |
WO1995012964A1 (fr) * | 1993-11-03 | 1995-05-11 | Science Applications International Corporation | Systeme d'illumination uv par l'arriere a haute efficacite pour dispositifs d'affichage electroniques |
US5428265A (en) * | 1994-02-28 | 1995-06-27 | Honeywell, Inc. | Processor controlled fluorescent lamp dimmer for aircraft liquid crystal display instruments |
Also Published As
Publication number | Publication date |
---|---|
AT407461B (de) | 2001-03-26 |
ATA74396A (de) | 2000-07-15 |
EP0804052A2 (fr) | 1997-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE CH DE FR GB IT LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE CH DE FR GB IT LI NL |
|
17P | Request for examination filed |
Effective date: 19990706 |
|
17Q | First examination report despatched |
Effective date: 20020221 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20020704 |