EP1343360A3 - Betriebsschaltung für Entladungslampe mit EOL-Früherkennung - Google Patents
Betriebsschaltung für Entladungslampe mit EOL-Früherkennung Download PDFInfo
- Publication number
- EP1343360A3 EP1343360A3 EP03003549A EP03003549A EP1343360A3 EP 1343360 A3 EP1343360 A3 EP 1343360A3 EP 03003549 A EP03003549 A EP 03003549A EP 03003549 A EP03003549 A EP 03003549A EP 1343360 A3 EP1343360 A3 EP 1343360A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge lamp
- recognition
- circuit
- operating
- eol
- 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- Withdrawn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
- 238000005259 measurement Methods 0.000 abstract 2
- 238000001514 detection method Methods 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
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10209619 | 2002-03-05 | ||
| DE10209619A DE10209619A1 (de) | 2002-03-05 | 2002-03-05 | Betriebsschaltung für Entladungslampe mit EOL-Früherkennung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1343360A2 EP1343360A2 (de) | 2003-09-10 |
| EP1343360A3 true EP1343360A3 (de) | 2011-03-09 |
Family
ID=27740639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03003549A Withdrawn EP1343360A3 (de) | 2002-03-05 | 2003-02-17 | Betriebsschaltung für Entladungslampe mit EOL-Früherkennung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6803731B2 (de) |
| EP (1) | EP1343360A3 (de) |
| CN (1) | CN1443031B (de) |
| CA (1) | CA2420841A1 (de) |
| DE (1) | DE10209619A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7002301B2 (en) * | 2003-10-15 | 2006-02-21 | Lutron Electronics Co., Inc. | Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| CN101060737A (zh) * | 2006-04-19 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | 一种探测灯的功能状态的电路和镇流器 |
| US8482213B1 (en) | 2009-06-29 | 2013-07-09 | Panasonic Corporation | Electronic ballast with pulse detection circuit for lamp end of life and output short protection |
| US8947020B1 (en) | 2011-11-17 | 2015-02-03 | Universal Lighting Technologies, Inc. | End of life control for parallel lamp ballast |
| DE102012207002A1 (de) * | 2011-12-23 | 2013-06-27 | Tridonic Gmbh & Co. Kg | Verfahren, Betriebsgerät und Beleuchtungssystem |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5023516A (en) * | 1988-05-10 | 1991-06-11 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp operation apparatus |
| EP0681414A2 (de) * | 1994-05-03 | 1995-11-08 | Osram Sylvania Inc. | Schutzschaltung für Bogenentladungslampen |
| US5493180A (en) * | 1995-03-31 | 1996-02-20 | Energy Savings, Inc., A Delaware Corporation | Lamp protective, electronic ballast |
| EP0735801A1 (de) * | 1995-03-29 | 1996-10-02 | Valeo Electronique | Verbesserungen in Schaltungen zum Betreiben von Entladungslampen in Fahrzeugscheinwerfern |
| WO2002021884A2 (en) * | 2000-09-06 | 2002-03-14 | Matsushita Electric Works, Ltd. | Ballast circuit for operating a discharge lamp |
| EP1233657A2 (de) * | 2001-02-20 | 2002-08-21 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Schutzschaltung für eine Leuchtstofflampe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3521602B2 (ja) * | 1996-03-06 | 2004-04-19 | 株式会社デンソー | 放電灯点灯装置 |
| US5808422A (en) * | 1996-05-10 | 1998-09-15 | Philips Electronics North America | Lamp ballast with lamp rectification detection circuitry |
| EP0926928B1 (de) * | 1997-04-17 | 2005-01-05 | Toshiba Lighting & Technology Corporation | Entladungslampe und beleuchtungsvorrichtung |
| DE19819027A1 (de) * | 1998-04-29 | 1999-11-04 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe |
| US6008592A (en) * | 1998-06-10 | 1999-12-28 | International Rectifier Corporation | End of lamp life or false lamp detection circuit for an electronic ballast |
| DE10209620A1 (de) * | 2002-03-05 | 2003-09-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | EOL-Erkennung mit integrieter Wendelabfrage |
-
2002
- 2002-03-05 DE DE10209619A patent/DE10209619A1/de not_active Withdrawn
-
2003
- 2003-02-17 EP EP03003549A patent/EP1343360A3/de not_active Withdrawn
- 2003-03-04 CA CA002420841A patent/CA2420841A1/en not_active Abandoned
- 2003-03-05 US US10/378,908 patent/US6803731B2/en not_active Expired - Lifetime
- 2003-03-05 CN CN031107214A patent/CN1443031B/zh not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5023516A (en) * | 1988-05-10 | 1991-06-11 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp operation apparatus |
| EP0681414A2 (de) * | 1994-05-03 | 1995-11-08 | Osram Sylvania Inc. | Schutzschaltung für Bogenentladungslampen |
| EP0735801A1 (de) * | 1995-03-29 | 1996-10-02 | Valeo Electronique | Verbesserungen in Schaltungen zum Betreiben von Entladungslampen in Fahrzeugscheinwerfern |
| US5493180A (en) * | 1995-03-31 | 1996-02-20 | Energy Savings, Inc., A Delaware Corporation | Lamp protective, electronic ballast |
| WO2002021884A2 (en) * | 2000-09-06 | 2002-03-14 | Matsushita Electric Works, Ltd. | Ballast circuit for operating a discharge lamp |
| EP1233657A2 (de) * | 2001-02-20 | 2002-08-21 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Schutzschaltung für eine Leuchtstofflampe |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10209619A1 (de) | 2003-09-25 |
| US6803731B2 (en) | 2004-10-12 |
| CN1443031B (zh) | 2010-04-21 |
| EP1343360A2 (de) | 2003-09-10 |
| CN1443031A (zh) | 2003-09-17 |
| US20030168994A1 (en) | 2003-09-11 |
| CA2420841A1 (en) | 2003-09-05 |
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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 |
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| AK | Designated contracting states |
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| AX | Request for extension of the european patent |
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|
| PUAL | Search report despatched |
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| AK | Designated contracting states |
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| AX | Request for extension of the european patent |
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|
| 17P | Request for examination filed |
Effective date: 20110905 |
|
| AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR |
|
| 17Q | First examination report despatched |
Effective date: 20121030 |
|
| 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: 20130311 |