ZA939579B - Ballast device for at least one pair of gas discharge lamps operated in parallel. - Google Patents

Ballast device for at least one pair of gas discharge lamps operated in parallel.

Info

Publication number
ZA939579B
ZA939579B ZA939579A ZA939579A ZA939579B ZA 939579 B ZA939579 B ZA 939579B ZA 939579 A ZA939579 A ZA 939579A ZA 939579 A ZA939579 A ZA 939579A ZA 939579 B ZA939579 B ZA 939579B
Authority
ZA
South Africa
Prior art keywords
pair
parallel
gas discharge
discharge lamps
ballast device
Prior art date
Application number
ZA939579A
Other languages
English (en)
Inventor
Andreas Scholl
Original Assignee
Tridonic Bauelemente
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6476455&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA939579(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tridonic Bauelemente filed Critical Tridonic Bauelemente
Publication of ZA939579B publication Critical patent/ZA939579B/xx

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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
ZA939579A 1992-12-23 1993-12-21 Ballast device for at least one pair of gas discharge lamps operated in parallel. ZA939579B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4243955A DE4243955B4 (de) 1992-12-23 1992-12-23 Vorschaltgerät für mindestens ein parallel betriebenes Gasentladungslampen-Paar

Publications (1)

Publication Number Publication Date
ZA939579B true ZA939579B (en) 1994-08-11

Family

ID=6476455

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA939579A ZA939579B (en) 1992-12-23 1993-12-21 Ballast device for at least one pair of gas discharge lamps operated in parallel.

Country Status (9)

Country Link
EP (1) EP0676121B1 (no)
AT (1) ATE148297T1 (no)
AU (1) AU5371594A (no)
DE (2) DE4243955B4 (no)
ES (1) ES2097550T3 (no)
FI (1) FI111791B (no)
NO (1) NO308690B1 (no)
WO (1) WO1994015444A1 (no)
ZA (1) ZA939579B (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69524593T2 (de) * 1995-09-27 2002-08-08 Koninklijke Philips Electronics N.V., Eindhoven Vorschaltgerät mit Symmetriertransformator für Leuchtstofflampen
US6074738A (en) * 1996-06-25 2000-06-13 Von Fragstein; Rainer Flexible water and oil resistant composites
DE19625389A1 (de) * 1996-06-25 1998-01-02 Gore W L & Ass Gmbh Flexibler Verbundstoff
DE19715342C1 (de) * 1997-04-12 1998-12-17 Vossloh Schwabe Gmbh Vorschaltgerät für unabhängigen Parallelbetrieb von Niederdruck-Gasentladungslampen
DE19715341C1 (de) * 1997-04-12 1998-10-15 Vossloh Schwabe Gmbh Elektronisches Vorschaltgerät mit automatischem Wiederanlauf
US6069455A (en) * 1998-04-15 2000-05-30 Electro-Mag International, Inc. Ballast having a selectively resonant circuit
US6310444B1 (en) * 2000-08-10 2001-10-30 Philips Electronics North America Corporation Multiple lamp LCD backlight driver with coupled magnetic components
DE10049842A1 (de) * 2000-10-09 2002-04-11 Tridonic Bauelemente Schaltungsanordnung zum Betreiben von mehreren Gasentladungslampen
DE10134966A1 (de) * 2001-07-23 2003-02-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Vorschaltgerät zum Betrieb mindestens einer Niederdruckentladungslampe
US7309964B2 (en) 2004-10-01 2007-12-18 Au Optronics Corporation Floating drive circuit for cold cathode fluorescent lamp
DE102007054805A1 (de) * 2007-11-16 2009-05-20 Tridonicatco Schweiz Ag Schaltungsanordnung zum Betreiben von Gasentladungslampen, bspw. HID-Lampen
US9030119B2 (en) 2010-07-19 2015-05-12 Microsemi Corporation LED string driver arrangement with non-dissipative current balancer
DE102010063867A1 (de) * 2010-12-22 2012-06-28 Tridonic Gmbh & Co Kg Zündregelung und Zünderkennung von Gasentladungslampen
CN103477712B (zh) 2011-05-03 2015-04-08 美高森美公司 高效led驱动方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412942C2 (de) * 1984-04-06 1986-02-20 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Elektronisches Vorschaltgerät für mehrere Leuchtstofflampen
DK339586D0 (da) * 1986-07-16 1986-07-16 Silver Gruppen Prod As Elektronisk ballast
US4902942A (en) * 1988-06-02 1990-02-20 General Electric Company Controlled leakage transformer for fluorescent lamp ballast including integral ballasting inductor
JPH03116689A (ja) * 1989-09-29 1991-05-17 Toshiba Lighting & Technol Corp 放電灯点灯装置
US5081401A (en) * 1990-09-10 1992-01-14 Motorola, Inc. Driver circuit for a plurality of gas discharge lamps
DE4039161C2 (de) * 1990-12-07 2001-05-31 Zumtobel Ag Dornbirn System zur Steuerung der Helligkeit und des Betriebsverhaltens von Leuchtstofflampen

Also Published As

Publication number Publication date
NO952517L (no) 1995-06-22
FI952655A0 (fi) 1995-05-31
ES2097550T3 (es) 1997-04-01
DE4243955A1 (de) 1994-06-30
NO308690B1 (no) 2000-10-09
EP0676121A1 (de) 1995-10-11
WO1994015444A1 (de) 1994-07-07
ATE148297T1 (de) 1997-02-15
NO952517D0 (no) 1995-06-22
DE4243955B4 (de) 2010-11-18
AU5371594A (en) 1994-07-19
FI952655A (fi) 1995-05-31
FI111791B (fi) 2003-09-15
EP0676121B1 (de) 1997-01-22
DE59305294D1 (de) 1997-03-06

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