ZA9811776B - Lamp exchange recognition process and electronic ballast for the operation of gas discharge lamps with the aid of such a lamp exchange recognition process. - Google Patents

Lamp exchange recognition process and electronic ballast for the operation of gas discharge lamps with the aid of such a lamp exchange recognition process.

Info

Publication number
ZA9811776B
ZA9811776B ZA9811776A ZA9811776A ZA9811776B ZA 9811776 B ZA9811776 B ZA 9811776B ZA 9811776 A ZA9811776 A ZA 9811776A ZA 9811776 A ZA9811776 A ZA 9811776A ZA 9811776 B ZA9811776 B ZA 9811776B
Authority
ZA
South Africa
Prior art keywords
recognition process
lamp exchange
lamp
discharge lamps
exchange recognition
Prior art date
Application number
ZA9811776A
Other languages
English (en)
Inventor
Norbert Primisser
Reinhard Bockle
Stefan Koch
Stefan Rhyner
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
Application filed by Tridonic Bauelemente filed Critical Tridonic Bauelemente
Publication of ZA9811776B publication Critical patent/ZA9811776B/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
    • H05B41/295—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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Telephone Set Structure (AREA)
ZA9811776A 1997-12-23 1998-12-22 Lamp exchange recognition process and electronic ballast for the operation of gas discharge lamps with the aid of such a lamp exchange recognition process. ZA9811776B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757668 1997-12-23

Publications (1)

Publication Number Publication Date
ZA9811776B true ZA9811776B (en) 1999-07-08

Family

ID=7853258

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811776A ZA9811776B (en) 1997-12-23 1998-12-22 Lamp exchange recognition process and electronic ballast for the operation of gas discharge lamps with the aid of such a lamp exchange recognition process.

Country Status (7)

Country Link
EP (1) EP1040732B1 (de)
AT (1) ATE205359T1 (de)
AU (1) AU1755599A (de)
DE (1) DE59801412D1 (de)
ES (1) ES2163903T3 (de)
WO (1) WO1999034649A1 (de)
ZA (1) ZA9811776B (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH663508A5 (de) * 1983-09-06 1987-12-15 Knobel Elektro App Elektronisches vorschaltgeraet fuer fluoreszenzlampen sowie verfahren zu dessen betrieb.
DE3805510A1 (de) * 1988-02-22 1989-08-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer niederdruckentladungslampe
US5495149A (en) * 1993-05-20 1996-02-27 Matsushita Electric Works, Ltd. Power supply
EP0677981B1 (de) * 1994-04-15 2000-07-12 Knobel Ag Lichttechnische Komponenten Vorschaltgerät mit Lampenwechselerkennung für Entladungslampen
TW266383B (en) * 1994-07-19 1995-12-21 Siemens Ag Method of starting at least one fluorescent lamp by an electronic ballast and the electronic ballast used therefor
US5650694A (en) * 1995-03-31 1997-07-22 Philips Electronics North America Corporation Lamp controller with lamp status detection and safety circuitry

Also Published As

Publication number Publication date
DE59801412D1 (de) 2001-10-11
ATE205359T1 (de) 2001-09-15
EP1040732B1 (de) 2001-09-05
AU1755599A (en) 1999-07-19
EP1040732A1 (de) 2000-10-04
ES2163903T3 (es) 2002-02-01
WO1999034649A1 (de) 1999-07-08

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