FI906032A - Foerfarande och foerkopplingsanordning foer daempning av lysroer. - Google Patents
Foerfarande och foerkopplingsanordning foer daempning av lysroer. Download PDFInfo
- Publication number
- FI906032A FI906032A FI906032A FI906032A FI906032A FI 906032 A FI906032 A FI 906032A FI 906032 A FI906032 A FI 906032A FI 906032 A FI906032 A FI 906032A FI 906032 A FI906032 A FI 906032A
- Authority
- FI
- Finland
- Prior art keywords
- duty ratio
- characteristic curves
- frequency
- lamp
- brightness
- Prior art date
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
- H05B41/285—Arrangements for protecting lamps or circuits 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
- H05B41/26—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
- H05B41/2828—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 control circuits for the switching elements
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Incineration Of Waste (AREA)
- Regulation And Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3943350 | 1989-12-29 | ||
DE3943350A DE3943350A1 (de) | 1989-12-29 | 1989-12-29 | Verfahren und vorschaltgeraet zum dimmen von leuchtstoffroehren |
DE4010112 | 1990-03-29 | ||
DE4010112A DE4010112A1 (de) | 1989-12-29 | 1990-03-29 | Schaltungsanordnung und verfahren zum betreiben (und zuenden) einer gasentladungslampe |
Publications (3)
Publication Number | Publication Date |
---|---|
FI906032A0 FI906032A0 (fi) | 1990-12-05 |
FI906032A true FI906032A (fi) | 1991-06-30 |
FI100759B FI100759B (fi) | 1998-02-13 |
Family
ID=25888633
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI906032A FI100759B (fi) | 1989-12-29 | 1990-12-05 | Menetelmä ja etukytkentälaite loisteputkien himmentämiseksi |
FI906033A FI98876C (fi) | 1989-12-29 | 1990-12-05 | Kytkentälaite ja menetelmä kaasunpurkauslampun käyttämiseksi (ja sytytämiseksi) |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI906033A FI98876C (fi) | 1989-12-29 | 1990-12-05 | Kytkentälaite ja menetelmä kaasunpurkauslampun käyttämiseksi (ja sytytämiseksi) |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0435228B2 (fi) |
AT (2) | ATE107119T1 (fi) |
DE (2) | DE59006225D1 (fi) |
FI (2) | FI100759B (fi) |
NO (2) | NO178910C (fi) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5138234A (en) * | 1991-05-28 | 1992-08-11 | Motorola, Inc. | Circuit for driving a gas discharge lamp load |
DE4210373A1 (de) * | 1992-03-30 | 1993-10-07 | Abb Patent Gmbh | Elektronisches Vorschaltgerät |
US5315214A (en) * | 1992-06-10 | 1994-05-24 | Metcal, Inc. | Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
DE4228641A1 (de) * | 1992-08-28 | 1994-03-03 | Tridonic Bauelemente Gmbh Dorn | Vorschaltgerät für eine Gasentladungslampe mit einem Wechselrichter |
BE1007458A3 (nl) * | 1993-08-23 | 1995-07-04 | Philips Electronics Nv | Schakelinrichting. |
DE69628739T2 (de) * | 1995-12-26 | 2004-04-29 | General Electric Co., Fairfield | Steuerung und überwachung von dimmbaren vorschaltgeräten mit breitem beleuchtungshub |
DE19612170A1 (de) * | 1996-03-27 | 1997-10-02 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betrieb von elektrischen Lampen und Betriebsverfahren für elektrische Lampen |
FR2753333B1 (fr) * | 1996-09-06 | 1998-11-27 | Sgs Thomson Microelectronics | Dispositif d'amorcage et d'alimentation de tube fluorescent |
DE19702653A1 (de) * | 1997-01-25 | 1998-07-30 | Bosch Gmbh Robert | Anordnung zur Leistungsanpassung einer Gasentladungslampe |
IL121819A (en) * | 1997-09-22 | 2003-12-10 | Elop Electrooptics Ind Ltd | Circuit arrangement for igniting gas discharge flash tubes |
JP4597364B2 (ja) | 1998-02-13 | 2010-12-15 | ルトロン・エレクトロニクス・カンパニー・インコーポレイテッド | 電子的に減光する安定器 |
WO2000002423A2 (en) * | 1998-07-01 | 2000-01-13 | Everbrite, Inc. | Power supply for gas discharge lamp |
JP2004501499A (ja) * | 2000-06-20 | 2004-01-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 回路装置 |
DE10146030A1 (de) * | 2001-09-18 | 2003-04-03 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Vorschaltgerät für mindestens eine elektrische Glühlampe |
US20050168171A1 (en) | 2004-01-29 | 2005-08-04 | Poehlman Thomas M. | Method for controlling striations in a lamp powered by an electronic ballast |
WO2009069052A1 (en) * | 2007-11-29 | 2009-06-04 | Koninklijke Philips Electronics N.V. | Method and device for driving a gas discharge lamp |
DE102018207430B4 (de) | 2018-05-14 | 2020-02-06 | Laird Dabendorf Gmbh | Antenneneinheit, Sendesystem und Verfahren zum Betreiben einer Antenneneinheit |
DE102018211033A1 (de) * | 2018-07-04 | 2020-01-09 | Laird Dabendorf Gmbh | Verfahren zum Betrieb einer Schaltung zur Erzeugung eines elektromagnetischen Felds und Schaltung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079969B1 (en) * | 1981-05-28 | 1988-11-02 | Mitsubishi Denki Kabushiki Kaisha | Low pressure mercury vapor discharge lamp unit |
US4415839A (en) * | 1981-11-23 | 1983-11-15 | Lesea Ronald A | Electronic ballast for gaseous discharge lamps |
AT380373B (de) * | 1983-05-17 | 1986-05-12 | Zumtobel Ag | Umschwingwechselrichter zur speisung von leuchtstofflampen |
DE3319352A1 (de) * | 1983-05-27 | 1984-11-29 | Siemens AG, 1000 Berlin und 8000 München | Wechselrichter zur speisung von entladungslampen |
DE3338464C2 (de) * | 1983-10-22 | 1987-03-05 | Plankenhorn Kapitalverwaltungs-KG, 7208 Spaichingen | Schaltungsanordnung zum Betrieb mindestens einer Leuchtstofflampe mit einstellbarer Helligkeit an einem selbstschwingenden Wechselrichter |
US4904905A (en) * | 1988-08-05 | 1990-02-27 | American Sterilizer Company | Dual resonant frequency arc lamp power supply |
GB8822781D0 (en) * | 1988-09-28 | 1988-11-02 | Marconi Electronic Devices | Power circuit |
US4914558A (en) * | 1989-03-06 | 1990-04-03 | Jon Flickinger | Series resonant inverter and method of lamp starting |
US5063490A (en) * | 1989-04-25 | 1991-11-05 | Matsushita Electric Works Ltd. | Regulated chopper and inverter with shared switches |
-
1990
- 1990-12-05 FI FI906032A patent/FI100759B/fi not_active IP Right Cessation
- 1990-12-05 FI FI906033A patent/FI98876C/fi not_active IP Right Cessation
- 1990-12-21 DE DE59006225T patent/DE59006225D1/de not_active Expired - Fee Related
- 1990-12-21 EP EP90125292A patent/EP0435228B2/de not_active Expired - Lifetime
- 1990-12-21 AT AT90125292T patent/ATE107119T1/de not_active IP Right Cessation
- 1990-12-21 EP EP90125304A patent/EP0435231B1/de not_active Expired - Lifetime
- 1990-12-21 AT AT90125304T patent/ATE107833T1/de not_active IP Right Cessation
- 1990-12-21 DE DE59006046T patent/DE59006046D1/de not_active Expired - Fee Related
- 1990-12-28 NO NO905618A patent/NO178910C/no not_active IP Right Cessation
- 1990-12-28 NO NO905615A patent/NO178780C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO905615D0 (no) | 1990-12-28 |
DE59006046D1 (de) | 1994-07-14 |
EP0435231A1 (de) | 1991-07-03 |
ATE107119T1 (de) | 1994-06-15 |
FI906033A0 (fi) | 1990-12-05 |
FI906032A0 (fi) | 1990-12-05 |
EP0435228B1 (de) | 1994-06-08 |
NO905615L (no) | 1991-07-01 |
EP0435228A3 (en) | 1992-07-08 |
NO905618D0 (no) | 1990-12-28 |
DE59006225D1 (de) | 1994-07-28 |
NO178780C (no) | 1996-05-29 |
FI98876C (fi) | 1997-08-25 |
NO178910B (no) | 1996-03-18 |
FI906033A (fi) | 1991-06-30 |
NO905618L (no) | 1991-07-01 |
FI98876B (fi) | 1997-05-15 |
EP0435231B1 (de) | 1994-06-22 |
NO178780B (no) | 1996-02-19 |
NO178910C (no) | 1996-06-26 |
EP0435228B2 (de) | 1997-01-22 |
ATE107833T1 (de) | 1994-07-15 |
FI100759B (fi) | 1998-02-13 |
EP0435228A2 (de) | 1991-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: ZUMTOBEL AG |