FI841794A0 - Vaexelriktaranordning foer matning av urladdningslampor. - Google Patents
Vaexelriktaranordning foer matning av urladdningslampor.Info
- Publication number
- FI841794A0 FI841794A0 FI841794A FI841794A FI841794A0 FI 841794 A0 FI841794 A0 FI 841794A0 FI 841794 A FI841794 A FI 841794A FI 841794 A FI841794 A FI 841794A FI 841794 A0 FI841794 A0 FI 841794A0
- Authority
- FI
- Finland
- Prior art keywords
- supplies
- capacitor
- burning voltage
- vaexelriktaranordning
- urladdningslampor
- 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
- H05B41/295—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)
- Ladders (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3319352 | 1983-05-27 | ||
DE19833319352 DE3319352A1 (de) | 1983-05-27 | 1983-05-27 | Wechselrichter zur speisung von entladungslampen |
Publications (4)
Publication Number | Publication Date |
---|---|
FI841794A0 true FI841794A0 (fi) | 1984-05-04 |
FI841794A FI841794A (fi) | 1984-11-28 |
FI76906B FI76906B (fi) | 1988-08-31 |
FI76906C FI76906C (fi) | 1988-12-12 |
Family
ID=6200083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI841794A FI76906C (fi) | 1983-05-27 | 1984-05-04 | Vaexelriktaranordning foer matning av urladdningslampor. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0127101B1 (fi) |
AT (1) | ATE25800T1 (fi) |
DE (2) | DE3319352A1 (fi) |
FI (1) | FI76906C (fi) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3521496A1 (de) * | 1985-04-22 | 1986-10-23 | Sorbios Verfahrenstech | Verfahren und vorrichtung zur mittel- und hochfrequenten hochspannungsversorgung fuer impedanzartige lasten, insbesondere bei gasentladungen |
GB8522778D0 (en) * | 1985-09-14 | 1985-10-16 | Contrology Ltd | Lamp supply circuit |
ZA862614B (en) * | 1986-04-08 | 1986-12-30 | David John Cockram | Controller for gas discharge lamps |
DE3628989A1 (de) * | 1986-08-26 | 1988-03-03 | Ceag Licht & Strom | Elektronisches vorschaltgeraet |
US4933605A (en) * | 1987-06-12 | 1990-06-12 | Etta Industries, Inc. | Fluorescent dimming ballast utilizing a resonant sine wave power converter |
EP0359860A1 (de) * | 1988-09-23 | 1990-03-28 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Betreiben mindestens einer Gasentladungslampe |
GB8829844D0 (en) * | 1988-12-21 | 1989-02-15 | Yazdanian Sirous | Control of fluorescent lights etc |
JPH0766864B2 (ja) * | 1989-07-28 | 1995-07-19 | 東芝ライテック株式会社 | 放電灯点灯装置 |
EP0422255B1 (de) * | 1989-10-09 | 1994-03-02 | Siemens Aktiengesellschaft | Elektronisches Vorschaltgerät |
GB8926112D0 (en) * | 1989-11-18 | 1990-01-10 | Ac Dc Lighting Limited | Inverters and cathode lamp arrangements |
FI98876C (fi) * | 1989-12-29 | 1997-08-25 | Zumtobel Ag | Kytkentälaite ja menetelmä kaasunpurkauslampun käyttämiseksi (ja sytytämiseksi) |
US6037722A (en) | 1994-09-30 | 2000-03-14 | Pacific Scientific | Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp |
US5821699A (en) | 1994-09-30 | 1998-10-13 | Pacific Scientific | Ballast circuit for fluorescent lamps |
US5691606A (en) | 1994-09-30 | 1997-11-25 | Pacific Scientific Company | Ballast circuit for fluorescent lamp |
US5925986A (en) | 1996-05-09 | 1999-07-20 | Pacific Scientific Company | Method and apparatus for controlling power delivered to a fluorescent lamp |
US5866993A (en) | 1996-11-14 | 1999-02-02 | Pacific Scientific Company | Three-way dimming ballast circuit with passive power factor correction |
US5798617A (en) | 1996-12-18 | 1998-08-25 | Pacific Scientific Company | Magnetic feedback ballast circuit for fluorescent lamp |
US6160361A (en) * | 1998-07-29 | 2000-12-12 | Philips Electronics North America Corporation | For improvements in a lamp type recognition scheme |
CA2347470A1 (en) * | 1998-10-16 | 2000-04-27 | Electro-Mag International, Inc. | Ballast circuit |
US6169375B1 (en) | 1998-10-16 | 2001-01-02 | Electro-Mag International, Inc. | Lamp adaptable ballast circuit |
AU732605B1 (en) * | 2000-06-14 | 2001-04-26 | Brenex Electrics Pty Limited | Control circuits for fluorescent tubes |
US6677719B2 (en) * | 2002-06-03 | 2004-01-13 | Stmicroelectronics, Inc. | Ballast circuit |
US20050168171A1 (en) | 2004-01-29 | 2005-08-04 | Poehlman Thomas M. | Method for controlling striations in a lamp powered by an electronic ballast |
DE102008031409A1 (de) * | 2008-07-02 | 2010-01-07 | Tridonicatco Gmbh & Co. Kg | Erkennung des Typs einer an einem Betriebsgerät angeschlossenen Gasentladungslampe |
DE102008047440A1 (de) * | 2008-09-16 | 2010-03-25 | Tridonicatco Gmbh & Co. Kg | Bestimmung des Typs eines Leuchtmittels oder der Topologie mehrerer Leuchtmittel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060752A (en) * | 1976-03-01 | 1977-11-29 | General Electric Company | Discharge lamp auxiliary circuit with dI/dt switching control |
DE2924331A1 (de) * | 1979-06-15 | 1980-12-18 | Siemens Ag | Anordnung zum betrieb einer entladungslampe |
DE2928490A1 (de) * | 1979-07-14 | 1981-01-29 | Frei Hans Joachim | Elektrische schaltung zum betreiben von niederdruckentladungslampen |
GB2095930A (en) * | 1981-03-27 | 1982-10-06 | Stevens Carlile R | Constant power ballast |
-
1983
- 1983-05-27 DE DE19833319352 patent/DE3319352A1/de not_active Withdrawn
-
1984
- 1984-05-04 FI FI841794A patent/FI76906C/fi not_active IP Right Cessation
- 1984-05-21 EP EP84105786A patent/EP0127101B1/de not_active Expired
- 1984-05-21 DE DE8484105786T patent/DE3462574D1/de not_active Expired
- 1984-05-21 AT AT84105786T patent/ATE25800T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3319352A1 (de) | 1984-11-29 |
FI76906C (fi) | 1988-12-12 |
EP0127101B1 (de) | 1987-03-04 |
DE3462574D1 (en) | 1987-04-09 |
EP0127101A1 (de) | 1984-12-05 |
FI841794A (fi) | 1984-11-28 |
FI76906B (fi) | 1988-08-31 |
ATE25800T1 (de) | 1987-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |