FR2627342B1 - Dispositif d'alimentation de tube luminescent - Google Patents
Dispositif d'alimentation de tube luminescentInfo
- Publication number
- FR2627342B1 FR2627342B1 FR8801798A FR8801798A FR2627342B1 FR 2627342 B1 FR2627342 B1 FR 2627342B1 FR 8801798 A FR8801798 A FR 8801798A FR 8801798 A FR8801798 A FR 8801798A FR 2627342 B1 FR2627342 B1 FR 2627342B1
- Authority
- FR
- France
- Prior art keywords
- feeding device
- tube feeding
- luminescent tube
- luminescent
- tube
- 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
- 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
- H05B41/26—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
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp 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
- H05B41/26—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
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2858—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
-
- 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
- H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801798A FR2627342B1 (fr) | 1988-02-16 | 1988-02-16 | Dispositif d'alimentation de tube luminescent |
EP89400338A EP0340049A1 (fr) | 1988-02-16 | 1989-02-07 | Dispositif d'alimentation de tube luminescent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801798A FR2627342B1 (fr) | 1988-02-16 | 1988-02-16 | Dispositif d'alimentation de tube luminescent |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2627342A1 FR2627342A1 (fr) | 1989-08-18 |
FR2627342B1 true FR2627342B1 (fr) | 1990-07-20 |
Family
ID=9363285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8801798A Expired - Fee Related FR2627342B1 (fr) | 1988-02-16 | 1988-02-16 | Dispositif d'alimentation de tube luminescent |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0340049A1 (fr) |
FR (1) | FR2627342B1 (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5140224A (en) * | 1989-03-27 | 1992-08-18 | Toshiba Lighting And Technology Corporation | Apparatus for operating discharge lamp |
JPH0389493A (ja) * | 1989-08-31 | 1991-04-15 | Toshiba Lighting & Technol Corp | 放電灯点灯装置 |
GB8926112D0 (en) * | 1989-11-18 | 1990-01-10 | Ac Dc Lighting Limited | Inverters and cathode lamp arrangements |
US5172033A (en) * | 1990-09-14 | 1992-12-15 | U. S. Philips Corporation | Discharge lamp operating inverter circuit with electric dimmer utilizing frequency control of the inverter |
US5287040A (en) * | 1992-07-06 | 1994-02-15 | Lestician Ballast, Inc. | Variable control, current sensing ballast |
EP0580255B1 (fr) * | 1992-07-20 | 1997-12-17 | Koninklijke Philips Electronics N.V. | Onduleur avec circuit de protection, pour alimenter une lampe à décharge |
DE4436465A1 (de) * | 1994-10-12 | 1996-04-18 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betreiben von Glühlampen |
US5965985A (en) * | 1996-09-06 | 1999-10-12 | General Electric Company | Dimmable ballast with complementary converter switches |
US5761056A (en) * | 1997-02-20 | 1998-06-02 | Boam R & D Co., Ltd. | Circuit for protecting fluorescent lamp from overload |
WO2000024233A2 (fr) * | 1998-10-16 | 2000-04-27 | Electro-Mag International, Inc. | Circuit regulateur |
US6169375B1 (en) | 1998-10-16 | 2001-01-02 | Electro-Mag International, Inc. | Lamp adaptable ballast circuit |
US6072710A (en) * | 1998-12-28 | 2000-06-06 | Philips Electronics North America Corporation | Regulated self-oscillating resonant converter with current feedback |
US6111363A (en) * | 1999-07-21 | 2000-08-29 | General Electric Company | Ballast shutdown circuit for a gas discharge lamp |
KR200167044Y1 (ko) * | 1999-07-26 | 2000-02-15 | 이청우 | 방전등용 안정기 |
EP1707256B1 (fr) | 2003-03-21 | 2016-10-19 | Kemira Oyj | Appareil et procédé pour la production en continue d'émulsions ou de dispersions |
US7733028B2 (en) | 2007-11-05 | 2010-06-08 | General Electric Company | Method and system for eliminating DC bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast |
US7816872B2 (en) * | 2008-02-29 | 2010-10-19 | General Electric Company | Dimmable instant start ballast |
US8212498B2 (en) | 2009-02-23 | 2012-07-03 | General Electric Company | Fluorescent dimming ballast |
US7990070B2 (en) | 2009-06-05 | 2011-08-02 | Louis Robert Nerone | LED power source and DC-DC converter |
GB2478992B (en) * | 2010-03-26 | 2014-11-19 | Russell Jacques | Regulating controller for controlled self-oscillating converters using bipolar junction transistors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU555174B2 (en) * | 1981-09-18 | 1986-09-18 | Oy Helvar | Electronic ballast for a discharge lamp |
FI65524C (fi) * | 1982-04-21 | 1984-05-10 | Helvar Oy | Foerfarande och anordning foer matning av hoegfrekvent vaexelstroem till en fluorescenslampa |
CA1333408C (fr) * | 1984-10-16 | 1994-12-06 | Calvin E. Grubbs | Regulateur electronique pour lampes fluorescentes |
US4727470A (en) * | 1986-10-10 | 1988-02-23 | Nilssen Ole K | Resonant inverter having crest factor control |
-
1988
- 1988-02-16 FR FR8801798A patent/FR2627342B1/fr not_active Expired - Fee Related
-
1989
- 1989-02-07 EP EP89400338A patent/EP0340049A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0340049A1 (fr) | 1989-11-02 |
FR2627342A1 (fr) | 1989-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |