ZA9811768B - Electronic ballast. - Google Patents

Electronic ballast.

Info

Publication number
ZA9811768B
ZA9811768B ZA9811768A ZA9811768A ZA9811768B ZA 9811768 B ZA9811768 B ZA 9811768B ZA 9811768 A ZA9811768 A ZA 9811768A ZA 9811768 A ZA9811768 A ZA 9811768A ZA 9811768 B ZA9811768 B ZA 9811768B
Authority
ZA
South Africa
Prior art keywords
status
lamp ballast
control circuit
operating
electronic lamp
Prior art date
Application number
ZA9811768A
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 ZA9811768B publication Critical patent/ZA9811768B/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)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Glass Compositions (AREA)
  • Furan Compounds (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Organic Insulating Materials (AREA)
  • Discharge Heating (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
ZA9811768A 1997-12-23 1998-12-22 Electronic ballast. ZA9811768B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757600 1997-12-23

Publications (1)

Publication Number Publication Date
ZA9811768B true ZA9811768B (en) 1999-06-29

Family

ID=7853220

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811768A ZA9811768B (en) 1997-12-23 1998-12-22 Electronic ballast.

Country Status (6)

Country Link
EP (1) EP1040733B1 (xx)
AT (1) ATE220849T1 (xx)
AU (1) AU1755699A (xx)
DE (1) DE59804841D1 (xx)
WO (1) WO1999034650A1 (xx)
ZA (1) ZA9811768B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50104942D1 (de) 2000-09-15 2005-02-03 Tridonicatco Gmbh & Co Kg Elektronisches Vorschaltgerät mit Zwischenkreisregelung
DE50111720D1 (de) * 2000-09-15 2007-02-08 Tridonicatco Gmbh & Co Kg Elektronisches Vorschaltgerät mit digitaler Steuereinheit
DE10225880A1 (de) * 2002-06-11 2003-12-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampenbetriebsschaltung mit einer Stromregelschaltung und einer Schaltung zur Detektion der Nähe zu einem kapazitiven Betrieb
DE10225881A1 (de) * 2002-06-11 2004-01-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Entladungslampenbetriebsschaltung mit Schaltung zur Detektion der Nähe zu einem kapazitiven Betrieb
US7728528B2 (en) 2004-11-29 2010-06-01 Century Concept Ltd Electronic ballast with preheating and dimming control
DE102006014062B4 (de) * 2006-03-27 2018-05-17 Tridonic Gmbh & Co Kg Betriebsgerät für Leuchtmittel

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477748A (en) * 1980-10-07 1984-10-16 Thomas Industries, Inc. Solid state ballast
GB8822195D0 (en) * 1988-09-21 1988-10-26 W J Parry Nottm Ltd Improvements in/related to electronic ballast circuits
US5173643A (en) * 1990-06-25 1992-12-22 Lutron Electronics Co., Inc. Circuit for dimming compact fluorescent lamps
GB2269279A (en) * 1992-08-01 1994-02-02 Coolite Ltd Fluorescent Tube Starting and Operating Circuit
US5424611A (en) * 1993-12-22 1995-06-13 At&T Corp. Method for pre-heating a gas-discharge lamp
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
US5636111A (en) * 1996-03-26 1997-06-03 The Genlyte Group Incorporated Ballast shut-down circuit responsive to an unbalanced load condition in a single lamp ballast or in either lamp of a two-lamp ballast
US5696431A (en) * 1996-05-03 1997-12-09 Philips Electronics North America Corporation Inverter driving scheme for capacitive mode protection
US5739645A (en) * 1996-05-10 1998-04-14 Philips Electronics North America Corporation Electronic ballast with lamp flash protection circuit
US5729096A (en) * 1996-07-24 1998-03-17 Motorola Inc. Inverter protection method and protection circuit for fluorescent lamp preheat ballasts

Also Published As

Publication number Publication date
DE59804841D1 (de) 2002-08-22
WO1999034650A1 (de) 1999-07-08
EP1040733B1 (de) 2002-07-17
EP1040733A1 (de) 2000-10-04
AU1755699A (en) 1999-07-19
ATE220849T1 (de) 2002-08-15

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