EP1705964A3 - Ballast avec gradateur - Google Patents
Ballast avec gradateur Download PDFInfo
- Publication number
- EP1705964A3 EP1705964A3 EP06004878A EP06004878A EP1705964A3 EP 1705964 A3 EP1705964 A3 EP 1705964A3 EP 06004878 A EP06004878 A EP 06004878A EP 06004878 A EP06004878 A EP 06004878A EP 1705964 A3 EP1705964 A3 EP 1705964A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp current
- ballast
- dimmer
- lamp
- undershot
- 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.)
- Granted
Links
- 230000000630 rising effect Effects 0.000 abstract 1
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
-
- 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
-
- 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
-
- 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
- Y10S315/04—Dimming circuit for fluorescent lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005013309A DE102005013309A1 (de) | 2005-03-22 | 2005-03-22 | Vorschaltgerät mit Dimmvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1705964A2 EP1705964A2 (fr) | 2006-09-27 |
EP1705964A3 true EP1705964A3 (fr) | 2010-01-27 |
EP1705964B1 EP1705964B1 (fr) | 2013-11-06 |
Family
ID=36593667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06004878.2A Expired - Fee Related EP1705964B1 (fr) | 2005-03-22 | 2006-03-09 | Ballast avec gradateur |
Country Status (4)
Country | Link |
---|---|
US (1) | US7327099B2 (fr) |
EP (1) | EP1705964B1 (fr) |
CN (1) | CN1849030B (fr) |
DE (1) | DE102005013309A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2482639C2 (ru) | 2007-12-14 | 2013-05-20 | Конинклейке Филипс Электроникс Н.В. | Регулируемое светогенерирующее устройство |
DE102009047289A1 (de) * | 2009-11-30 | 2011-06-22 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Verfahren zur Einstellung eines elektronischen Vorschaltgeräts, elektronisches Vorschaltgerät und Abgleicheinheit |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9000202A (nl) * | 1990-01-29 | 1991-08-16 | Philips Nv | Schakelinrichting. |
GB2277415A (en) * | 1993-04-23 | 1994-10-26 | Matsushita Electric Works Ltd | Dimming discharge lamps |
EP0785702A2 (fr) * | 1996-01-16 | 1997-07-23 | Osram Sylvania Inc. | Méthode et appareil pour alimenter une lampe à décharge |
US6198234B1 (en) * | 1999-06-09 | 2001-03-06 | Linfinity Microelectronics | Dimmable backlight system |
US20020060537A1 (en) * | 2000-09-15 | 2002-05-23 | Sang-Woo Lee | Dual mode electronic dimmer |
WO2002091806A1 (fr) * | 2001-05-08 | 2002-11-14 | Koninklijke Philips Electronics N.V. | Modulation de largeur d'impulsion pour le fonctionnement de lampes haute pression |
JP2002334799A (ja) * | 2001-03-05 | 2002-11-22 | Toshiba Lighting & Technology Corp | 電球形蛍光ランプ |
US20040183472A1 (en) * | 2001-05-25 | 2004-09-23 | Takeshi Kamoi | Electronic ballast for a high intensity discharge lamp |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE58907133D1 (de) | 1989-10-09 | 1994-04-07 | Siemens Ag | Elektronisches Vorschaltgerät. |
DE3943350A1 (de) | 1989-12-29 | 1991-07-04 | Zumtobel Ag | Verfahren und vorschaltgeraet zum dimmen von leuchtstoffroehren |
JP3600976B2 (ja) * | 1998-07-14 | 2004-12-15 | 三菱電機株式会社 | 放電灯点灯装置 |
US6198236B1 (en) * | 1999-07-23 | 2001-03-06 | Linear Technology Corporation | Methods and apparatus for controlling the intensity of a fluorescent lamp |
US6307765B1 (en) * | 2000-06-22 | 2001-10-23 | Linfinity Microelectronics | Method and apparatus for controlling minimum brightness of a fluorescent lamp |
US7116063B2 (en) * | 2003-07-28 | 2006-10-03 | Matsushita Electric Works, Ltd. | Dimmable discharge lamp lighting device |
-
2005
- 2005-03-22 DE DE102005013309A patent/DE102005013309A1/de active Pending
-
2006
- 2006-03-09 EP EP06004878.2A patent/EP1705964B1/fr not_active Expired - Fee Related
- 2006-03-16 US US11/377,113 patent/US7327099B2/en active Active
- 2006-03-22 CN CN200610082054.2A patent/CN1849030B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9000202A (nl) * | 1990-01-29 | 1991-08-16 | Philips Nv | Schakelinrichting. |
GB2277415A (en) * | 1993-04-23 | 1994-10-26 | Matsushita Electric Works Ltd | Dimming discharge lamps |
EP0785702A2 (fr) * | 1996-01-16 | 1997-07-23 | Osram Sylvania Inc. | Méthode et appareil pour alimenter une lampe à décharge |
US6198234B1 (en) * | 1999-06-09 | 2001-03-06 | Linfinity Microelectronics | Dimmable backlight system |
US20020060537A1 (en) * | 2000-09-15 | 2002-05-23 | Sang-Woo Lee | Dual mode electronic dimmer |
JP2002334799A (ja) * | 2001-03-05 | 2002-11-22 | Toshiba Lighting & Technology Corp | 電球形蛍光ランプ |
WO2002091806A1 (fr) * | 2001-05-08 | 2002-11-14 | Koninklijke Philips Electronics N.V. | Modulation de largeur d'impulsion pour le fonctionnement de lampes haute pression |
US20040183472A1 (en) * | 2001-05-25 | 2004-09-23 | Takeshi Kamoi | Electronic ballast for a high intensity discharge lamp |
Also Published As
Publication number | Publication date |
---|---|
EP1705964A2 (fr) | 2006-09-27 |
US7327099B2 (en) | 2008-02-05 |
US20060214605A1 (en) | 2006-09-28 |
DE102005013309A1 (de) | 2006-09-28 |
CN1849030A (zh) | 2006-10-18 |
EP1705964B1 (fr) | 2013-11-06 |
CN1849030B (zh) | 2011-05-25 |
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