EP0693864A3 - Circuit for operating one or more lour pressure discharge lamps - Google Patents
Circuit for operating one or more lour pressure discharge lamps Download PDFInfo
- Publication number
- EP0693864A3 EP0693864A3 EP95110851A EP95110851A EP0693864A3 EP 0693864 A3 EP0693864 A3 EP 0693864A3 EP 95110851 A EP95110851 A EP 95110851A EP 95110851 A EP95110851 A EP 95110851A EP 0693864 A3 EP0693864 A3 EP 0693864A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lour
- operating
- circuit
- pressure discharge
- discharge lamps
- 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
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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4425859A DE4425859A1 (en) | 1994-07-21 | 1994-07-21 | Circuit arrangement for operating one or more low-pressure discharge lamps |
| DE4425859 | 1994-07-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0693864A2 EP0693864A2 (en) | 1996-01-24 |
| EP0693864A3 true EP0693864A3 (en) | 1997-12-03 |
| EP0693864B1 EP0693864B1 (en) | 2002-06-12 |
Family
ID=6523794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95110851A Expired - Lifetime EP0693864B1 (en) | 1994-07-21 | 1995-07-11 | Circuit for operating one or more lour pressure discharge lamps |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5589740A (en) |
| EP (1) | EP0693864B1 (en) |
| JP (1) | JPH0855690A (en) |
| CA (1) | CA2153108C (en) |
| DE (2) | DE4425859A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19612170A1 (en) * | 1996-03-27 | 1997-10-02 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Circuit arrangement for operating electric lamps and operating methods for electric lamps |
| GB2326543B (en) * | 1997-06-19 | 1999-12-08 | Toshiba Lighting & Technology | Lighting apparatus |
| US5973455A (en) * | 1998-05-15 | 1999-10-26 | Energy Savings, Inc. | Electronic ballast with filament cut-out |
| US7592753B2 (en) * | 1999-06-21 | 2009-09-22 | Access Business Group International Llc | Inductively-powered gas discharge lamp circuit |
| EP1198824A2 (en) | 1999-07-02 | 2002-04-24 | Fusion Lighting, Inc. | Lamp, oscillator and lighting apparatus |
| US6674249B1 (en) * | 2000-10-25 | 2004-01-06 | Advanced Lighting Technologies, Inc. | Resistively ballasted gaseous discharge lamp circuit and method |
| DE10100037A1 (en) * | 2001-01-03 | 2002-07-04 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Circuit for operating electric lamps, comprises start circuit for inverter and system for deactivating start circuit |
| DE10108138A1 (en) * | 2001-02-20 | 2002-08-29 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Protection circuit for a fluorescent lamp |
| DE10140723A1 (en) * | 2001-08-27 | 2003-03-20 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Operating circuit for discharge lamp with preheatable electrodes |
| DE60209384T2 (en) * | 2001-11-23 | 2006-10-12 | Koninklijke Philips Electronics N.V. | CIRCUIT ARRANGEMENT FOR OPERATING A LAMP |
| DE10300249B4 (en) * | 2002-02-18 | 2010-09-09 | Tridonicatco Gmbh & Co. Kg | Electronic ballast for several gas discharge lamps |
| DE10235217A1 (en) * | 2002-08-01 | 2004-02-19 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Circuit device for operating lamp, especially low pressure discharge lamp has current limiter that can drive control electrode of at least one transistor switching unit in inverter to limit current |
| DE10252836A1 (en) * | 2002-11-13 | 2004-05-27 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Device for operating discharge lamps |
| DE602005004257T2 (en) * | 2005-03-09 | 2009-02-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Overload protection device for electronic converters, for example for halogen lamps |
| US7821208B2 (en) * | 2007-01-08 | 2010-10-26 | Access Business Group International Llc | Inductively-powered gas discharge lamp circuit |
| US8212489B2 (en) | 2007-01-17 | 2012-07-03 | Osram Ag | Circuit arrangement and method for starting and operating one or more discharge lamps |
| US8232727B1 (en) | 2009-03-05 | 2012-07-31 | Universal Lighting Technologies, Inc. | Ballast circuit for a gas-discharge lamp having a filament drive circuit with monostable control |
| DE102009022072A1 (en) * | 2009-05-20 | 2010-11-25 | Osram Gesellschaft mit beschränkter Haftung | Circuit arrangement for operating a series circuit of at least two low-pressure gas discharge lamps and corresponding method |
| DE202010013926U1 (en) * | 2010-10-06 | 2012-01-11 | Bag Engineering Gmbh | Electronic ballast and lighting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924069A1 (en) * | 1979-06-15 | 1980-12-18 | Philips Patentverwaltung | CIRCUIT ARRANGEMENT FOR IGNITING AND OPERATING A GAS AND / OR VAPOR DISCHARGE LAMP |
| DE3022773A1 (en) * | 1979-06-26 | 1981-01-15 | Siliani Pier | SUPPLY AND IGNITION CIRCUIT FOR FLUORESCENT TUBES AND THE LIKE WITH HEATING THREADS FOR THE IGNITION |
| DE3401653A1 (en) * | 1983-01-20 | 1984-07-26 | Zumtobel Ag, Dornbirn | Invertor circuit for operating gas-discharge lamps |
| EP0378992A1 (en) * | 1989-01-16 | 1990-07-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Circuitry for driving discharge lamps |
| DE4100349A1 (en) * | 1990-01-31 | 1991-08-01 | Siemens Ag | Ballast circuit for fluorescent lamp - uses isolated gate bipolar transistor as low-loss switch for capacitors in resonant circuit |
| DE4328306A1 (en) * | 1993-08-23 | 1994-03-17 | Spindler Bernhard Dipl Ing | Circuit for HF operation for low presence discharge lamps - has rectifier and inverter and several opto-couplers, with controlled load circuit |
| EP0589081A1 (en) * | 1992-09-24 | 1994-03-30 | Knobel Ag Lichttechnische Komponenten | Circuit for operating a fluorescent lamp with a current measuring circuit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251752A (en) * | 1979-05-07 | 1981-02-17 | Synergetics, Inc. | Solid state electronic ballast system for fluorescent lamps |
| DE3623749A1 (en) * | 1986-07-14 | 1988-01-21 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | CIRCUIT ARRANGEMENT FOR OPERATING LOW-PRESSURE DISCHARGE LAMPS |
| DE3700421A1 (en) * | 1987-01-08 | 1988-07-21 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | CIRCUIT ARRANGEMENT FOR OPERATING A LOW-PRESSURE DISCHARGE LAMP |
| DE4140557A1 (en) | 1991-12-09 | 1993-06-17 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | CIRCUIT ARRANGEMENT FOR OPERATING ONE OR MORE LOW-PRESSURE DISCHARGE LAMPS |
| US5434477A (en) * | 1993-03-22 | 1995-07-18 | Motorola Lighting, Inc. | Circuit for powering a fluorescent lamp having a transistor common to both inverter and the boost converter and method for operating such a circuit |
-
1994
- 1994-07-21 DE DE4425859A patent/DE4425859A1/en not_active Withdrawn
-
1995
- 1995-06-27 US US08/495,803 patent/US5589740A/en not_active Expired - Lifetime
- 1995-06-30 CA CA002153108A patent/CA2153108C/en not_active Expired - Fee Related
- 1995-07-11 EP EP95110851A patent/EP0693864B1/en not_active Expired - Lifetime
- 1995-07-11 DE DE59510237T patent/DE59510237D1/en not_active Expired - Lifetime
- 1995-07-17 JP JP7202907A patent/JPH0855690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924069A1 (en) * | 1979-06-15 | 1980-12-18 | Philips Patentverwaltung | CIRCUIT ARRANGEMENT FOR IGNITING AND OPERATING A GAS AND / OR VAPOR DISCHARGE LAMP |
| DE3022773A1 (en) * | 1979-06-26 | 1981-01-15 | Siliani Pier | SUPPLY AND IGNITION CIRCUIT FOR FLUORESCENT TUBES AND THE LIKE WITH HEATING THREADS FOR THE IGNITION |
| DE3401653A1 (en) * | 1983-01-20 | 1984-07-26 | Zumtobel Ag, Dornbirn | Invertor circuit for operating gas-discharge lamps |
| EP0378992A1 (en) * | 1989-01-16 | 1990-07-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Circuitry for driving discharge lamps |
| DE4100349A1 (en) * | 1990-01-31 | 1991-08-01 | Siemens Ag | Ballast circuit for fluorescent lamp - uses isolated gate bipolar transistor as low-loss switch for capacitors in resonant circuit |
| EP0589081A1 (en) * | 1992-09-24 | 1994-03-30 | Knobel Ag Lichttechnische Komponenten | Circuit for operating a fluorescent lamp with a current measuring circuit |
| DE4328306A1 (en) * | 1993-08-23 | 1994-03-17 | Spindler Bernhard Dipl Ing | Circuit for HF operation for low presence discharge lamps - has rectifier and inverter and several opto-couplers, with controlled load circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2153108A1 (en) | 1996-01-22 |
| US5589740A (en) | 1996-12-31 |
| CA2153108C (en) | 2003-06-17 |
| DE59510237D1 (en) | 2002-07-18 |
| JPH0855690A (en) | 1996-02-27 |
| EP0693864A2 (en) | 1996-01-24 |
| EP0693864B1 (en) | 2002-06-12 |
| DE4425859A1 (en) | 1996-01-25 |
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