DE9100552U1 - - Google Patents
Info
- Publication number
- DE9100552U1 DE9100552U1 DE9100552U DE9100552U DE9100552U1 DE 9100552 U1 DE9100552 U1 DE 9100552U1 DE 9100552 U DE9100552 U DE 9100552U DE 9100552 U DE9100552 U DE 9100552U DE 9100552 U1 DE9100552 U1 DE 9100552U1
- Authority
- DE
- Germany
- 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 - Lifetime
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
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9100552U DE9100552U1 (en) | 1990-04-28 | 1991-01-18 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904013697 DE4013697A1 (en) | 1990-04-28 | 1990-04-28 | Fluorescent lamp starter with constant-current dimmer switch - ensures electrode heating by current regulated independently of ratio of discharge current to total lamp current |
DE9100552U DE9100552U1 (en) | 1990-04-28 | 1991-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9100552U1 true DE9100552U1 (en) | 1991-04-11 |
Family
ID=25892667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9100552U Expired - Lifetime DE9100552U1 (en) | 1990-04-28 | 1991-01-18 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9100552U1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4217822A1 (en) * | 1991-10-18 | 1993-04-22 | Heinrich Korte | Switching circuit for HF low pressure discharge lamp - uses series oscillator resonated at characteristic frequency for lamp ignition |
DE4220291C1 (en) * | 1992-06-20 | 1993-06-17 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg, De | Ballast circuit for fluorescent lamp with dimmer - includes source supplying brightness signal for control stage for transistor switch bridging lamp electrodes |
DE4219958C1 (en) * | 1992-06-18 | 1993-06-24 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg, De | Ballast circuit for discharge lamp - uses phase gate control to short out electrodes for interval in each half cycle, depending on brightness |
US5493182A (en) * | 1994-02-24 | 1996-02-20 | Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh | Fluorescent lamp operating circuit, permitting dimming of the lamp |
WO1997011580A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Preheating and starting circuit and method for a fluorescent lamp |
WO1997011586A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply |
WO1997011585A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Resonant voltage-multiplication, current-regulating and ignition circuit for a fluorescent lamp |
US5652481A (en) * | 1994-06-10 | 1997-07-29 | Beacon Light Products, Inc. | Automatic state tranition controller for a fluorescent lamp |
US5955847A (en) * | 1994-06-10 | 1999-09-21 | Beacon Light Products, Inc. | Method for dimming a fluorescent lamp |
-
1991
- 1991-01-18 DE DE9100552U patent/DE9100552U1/de not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4217822A1 (en) * | 1991-10-18 | 1993-04-22 | Heinrich Korte | Switching circuit for HF low pressure discharge lamp - uses series oscillator resonated at characteristic frequency for lamp ignition |
DE4219958C1 (en) * | 1992-06-18 | 1993-06-24 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg, De | Ballast circuit for discharge lamp - uses phase gate control to short out electrodes for interval in each half cycle, depending on brightness |
DE4220291C1 (en) * | 1992-06-20 | 1993-06-17 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg, De | Ballast circuit for fluorescent lamp with dimmer - includes source supplying brightness signal for control stage for transistor switch bridging lamp electrodes |
US5493182A (en) * | 1994-02-24 | 1996-02-20 | Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh | Fluorescent lamp operating circuit, permitting dimming of the lamp |
US5652481A (en) * | 1994-06-10 | 1997-07-29 | Beacon Light Products, Inc. | Automatic state tranition controller for a fluorescent lamp |
US5955847A (en) * | 1994-06-10 | 1999-09-21 | Beacon Light Products, Inc. | Method for dimming a fluorescent lamp |
WO1997011580A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Preheating and starting circuit and method for a fluorescent lamp |
WO1997011586A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply |
WO1997011585A1 (en) * | 1995-09-19 | 1997-03-27 | Beacon Light Products, Inc. | Resonant voltage-multiplication, current-regulating and ignition circuit for a fluorescent lamp |
US5736817A (en) * | 1995-09-19 | 1998-04-07 | Beacon Light Products, Inc. | Preheating and starting circuit and method for a fluorescent lamp |