AU1755699A - Electronic lamp ballast - Google Patents

Electronic lamp ballast

Info

Publication number
AU1755699A
AU1755699A AU17556/99A AU1755699A AU1755699A AU 1755699 A AU1755699 A AU 1755699A AU 17556/99 A AU17556/99 A AU 17556/99A AU 1755699 A AU1755699 A AU 1755699A AU 1755699 A AU1755699 A AU 1755699A
Authority
AU
Australia
Prior art keywords
lamp ballast
electronic lamp
status
control circuit
operating
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU17556/99A
Inventor
Reinhard Bockle
Stefan Koch
Norbert Primisser
Stefan Rhyner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic Bauelemente GmbH
Original Assignee
Tridonic Bauelemente GmbH
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 GmbH filed Critical Tridonic Bauelemente GmbH
Publication of AU1755699A publication Critical patent/AU1755699A/en
Abandoned legal-status Critical Current

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Organic Insulating Materials (AREA)
  • Discharge Heating (AREA)

Abstract

The invention relates to an electronic lamp ballast for operating gas-discharge lamps (G1, G2), where the electronic lamp ballast is controlled by means of a control circuit (IC2). The control circuit (IC2) controls the operation of the electronic lamp ballast in accordance with certain predetermined operating states (I - VIII) in which the control circuit (IC2) monitors certain status variables of the electronic lamp ballast or of a gas-discharge lamp (G1, G2) in accordance with the operating status. It changes from one operating status to a new operating status only if the status variables being monitored meet a condition assigned to the current operating status.
AU17556/99A 1997-12-23 1998-11-19 Electronic lamp ballast Abandoned AU1755699A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19757600 1997-12-23
DE19757600 1997-12-23
PCT/EP1998/007429 WO1999034650A1 (en) 1997-12-23 1998-11-19 Electronic lamp ballast

Publications (1)

Publication Number Publication Date
AU1755699A true AU1755699A (en) 1999-07-19

Family

ID=7853220

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17556/99A Abandoned AU1755699A (en) 1997-12-23 1998-11-19 Electronic lamp ballast

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50111720D1 (en) * 2000-09-15 2007-02-08 Tridonicatco Gmbh & Co Kg Electronic ballast with digital control unit
ATE286347T1 (en) 2000-09-15 2005-01-15 Tridonicatco Gmbh & Co Kg ELECTRONIC BALLAST WITH DC-LINK CONTROL
DE10225881A1 (en) * 2002-06-11 2004-01-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Discharge lamp operating circuit with circuit for detecting proximity to a capacitive operation
DE10225880A1 (en) * 2002-06-11 2003-12-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp operating circuit with a current control circuit and a circuit for detecting proximity to a capacitive operation
WO2006056143A1 (en) 2004-11-29 2006-06-01 Century Concept Ltd. Electronic ballast with preheating and dimming control
DE102006014062B4 (en) * 2006-03-27 2018-05-17 Tridonic Gmbh & Co Kg Operating device for bulbs

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
ATE194749T1 (en) * 1994-04-15 2000-07-15 Knobel Lichttech BALLAST WITH LAMP CHANGE DETECTION FOR DISCHARGE LAMPS
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
ATE220849T1 (en) 2002-08-15
DE59804841D1 (en) 2002-08-22
EP1040733A1 (en) 2000-10-04
EP1040733B1 (en) 2002-07-17
ZA9811768B (en) 1999-06-29
WO1999034650A1 (en) 1999-07-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase