SG64392A1 - Supply circuit for discharge lamps with means for pre-heating the electrodes - Google Patents

Supply circuit for discharge lamps with means for pre-heating the electrodes

Info

Publication number
SG64392A1
SG64392A1 SG1996010209A SG1996010209A SG64392A1 SG 64392 A1 SG64392 A1 SG 64392A1 SG 1996010209 A SG1996010209 A SG 1996010209A SG 1996010209 A SG1996010209 A SG 1996010209A SG 64392 A1 SG64392 A1 SG 64392A1
Authority
SG
Singapore
Prior art keywords
electrodes
heating
supply circuit
discharge lamps
lamp
Prior art date
Application number
SG1996010209A
Other languages
English (en)
Inventor
Antonio Canova
Original Assignee
Magnetek Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Magnetek Spa filed Critical Magnetek Spa
Publication of SG64392A1 publication Critical patent/SG64392A1/en

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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
SG1996010209A 1995-07-05 1996-07-03 Supply circuit for discharge lamps with means for pre-heating the electrodes SG64392A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95830286A EP0752804B1 (fr) 1995-07-05 1995-07-05 Circuit d'alimentation de lampes à décharge avec des moyens de préchauffage des électrodes

Publications (1)

Publication Number Publication Date
SG64392A1 true SG64392A1 (en) 1999-04-27

Family

ID=8221964

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010209A SG64392A1 (en) 1995-07-05 1996-07-03 Supply circuit for discharge lamps with means for pre-heating the electrodes

Country Status (8)

Country Link
US (1) US5801491A (fr)
EP (1) EP0752804B1 (fr)
AT (1) ATE187295T1 (fr)
CA (1) CA2180310C (fr)
DE (1) DE69513646T2 (fr)
DK (1) DK0752804T3 (fr)
ES (1) ES2140645T3 (fr)
SG (1) SG64392A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0984670B1 (fr) * 1998-06-13 2009-12-09 Greenwood Soar IP Limited Ballast pour lampe à forte décharge
US6495971B1 (en) 1998-06-13 2002-12-17 Hatch Transformers, Inc. High intensity discharge lamp ballast
FI107009B (fi) 1999-03-31 2001-05-15 Teknoware Oy Loistelampun liitäntälaite
JP2003510793A (ja) * 1999-09-30 2003-03-18 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 高圧ガス放電ランプに用いられる回路装置
JP2003510794A (ja) * 1999-09-30 2003-03-18 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 高圧放電ランプを動作させる回路装置
DE10159675A1 (de) * 2001-12-05 2003-06-26 Schneider Elektrotechnik Gmbh Schaltungsanordnung zur Erzeugung einer Hochspannung, insbesondere zum Betrieb eines Plasmas
DE102004025774A1 (de) * 2004-05-26 2005-12-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Vorschaltgerät für Entladungslampe mit Dauerbetriebs-Regelschaltung
US7728528B2 (en) 2004-11-29 2010-06-01 Century Concept Ltd Electronic ballast with preheating and dimming control
US7589480B2 (en) * 2006-05-26 2009-09-15 Greenwood Soar Ip Ltd. High intensity discharge lamp ballast
US8203273B1 (en) * 2009-04-13 2012-06-19 Universal Lighting Technologies, Inc. Ballast circuit for a gas discharge lamp that reduces a pre-heat voltage to the lamp filaments during lamp ignition
CN102413622A (zh) * 2011-07-27 2012-04-11 台达电子企业管理（上海）有限公司 照明装置、其中的电子式安定器及其保护方法
CA2857527A1 (fr) * 2011-11-10 2013-05-16 General Electric Company Dispositif pour protection contre les defaillances dans des dispositifs d'eclairage ayant des diodes electroluminescentes

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2231999A (en) 1938-04-23 1941-02-18 Westinghouse Electric & Mfg Co Discharge lamp and circuit
US4079292A (en) * 1975-01-09 1978-03-14 New Nippon Electric Company, Ltd. Arc discharge sustaining circuit system for a discharge lamp
US4307334A (en) * 1978-12-14 1981-12-22 General Electric Company Transformer for use in a static inverter
US4443740A (en) * 1982-04-09 1984-04-17 Goralnik Charles D Dimmer switch for a fluorescent lamp
US4701671A (en) * 1982-05-27 1987-10-20 North American Philips Corporation High-frequency oscillator-inverter ballast circuit for discharge lamps
GB2124042B (en) 1982-06-01 1986-10-01 Control Logic Reduction of harmonics in gas discharge lamp ballasts
DE3246454A1 (de) 1982-12-15 1984-06-20 Siemens AG, 1000 Berlin und 8000 München Wechselrichter mit einem einen reihenresonanzkreis und eine entladungslampe enthaltenden lastkreis
JPS59167999A (ja) * 1983-03-14 1984-09-21 三菱電機株式会社 放電灯点灯装置
DE3441992A1 (de) 1984-11-16 1986-05-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Schaltungsanordnung zur zuendung einer niederdruckentladungslampe
US4730147A (en) * 1986-08-19 1988-03-08 Siemens Aktiengesellschaft Method and arrangement for the operation of a gas discharge lamp
DE4100349C2 (de) * 1990-01-31 1994-04-28 Siemens Ag Elektronisches Vorschaltgerät
CA2056010C (fr) 1990-11-27 1997-05-27 Minoru Maehara Convertisseur pour alimentation en courant avec facteur de puissance eleve
US5142202A (en) * 1991-08-26 1992-08-25 Gte Products Corporation Starting and operating circuit for arc discharge lamp
DE69313094T2 (de) 1993-01-29 1998-02-05 Magnetek Spa Umrichter zum Betreiben von Entladungslampen mit Heizwendeln durch einen Resonanzkreis
DE4328306A1 (de) * 1993-08-23 1994-03-17 Spindler Bernhard Dipl Ing Schaltungsanordnung zur Einstellung und Regelung des Betriebszustandes von Niederdruckentladungslampen im Hochfrequenz- und Niederfrequenzbetrieb
ATE167019T1 (de) * 1994-02-11 1998-06-15 Magnetek Spa Elektronisches vorschaltgerät für entladungslampen mit einem resonanzkreis zur begrenzung des formfaktors und zur verbesserung des leistungsfaktors

Also Published As

Publication number Publication date
CA2180310A1 (fr) 1997-01-06
DK0752804T3 (da) 2000-05-15
ES2140645T3 (es) 2000-03-01
EP0752804A1 (fr) 1997-01-08
CA2180310C (fr) 2005-08-30
ATE187295T1 (de) 1999-12-15
EP0752804B1 (fr) 1999-12-01
DE69513646D1 (de) 2000-01-05
US5801491A (en) 1998-09-01
DE69513646T2 (de) 2000-06-08

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