AU2001284425A1 - Ballast circuit for operating a discharge lamp - Google Patents

Ballast circuit for operating a discharge lamp

Info

Publication number
AU2001284425A1
AU2001284425A1 AU2001284425A AU8442501A AU2001284425A1 AU 2001284425 A1 AU2001284425 A1 AU 2001284425A1 AU 2001284425 A AU2001284425 A AU 2001284425A AU 8442501 A AU8442501 A AU 8442501A AU 2001284425 A1 AU2001284425 A1 AU 2001284425A1
Authority
AU
Australia
Prior art keywords
operating
discharge lamp
ballast circuit
ballast
circuit
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
AU2001284425A
Other languages
English (en)
Inventor
Katsunobu Hamamoto
Hiromitsu Mizukawa
Kazuhiro Nishimoto
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of AU2001284425A1 publication Critical patent/AU2001284425A1/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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • 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
    • H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps
AU2001284425A 2000-09-06 2001-09-05 Ballast circuit for operating a discharge lamp Abandoned AU2001284425A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000270458A JP3797079B2 (ja) 2000-09-06 2000-09-06 放電灯点灯装置
JP2000-270458 2000-09-06
PCT/JP2001/007680 WO2002021884A2 (en) 2000-09-06 2001-09-05 Ballast circuit for operating a discharge lamp

Publications (1)

Publication Number Publication Date
AU2001284425A1 true AU2001284425A1 (en) 2002-03-22

Family

ID=18756893

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284425A Abandoned AU2001284425A1 (en) 2000-09-06 2001-09-05 Ballast circuit for operating a discharge lamp

Country Status (6)

Country Link
US (1) US6696798B2 (ja)
JP (1) JP3797079B2 (ja)
CN (1) CN1312964C (ja)
AU (1) AU2001284425A1 (ja)
DE (1) DE10196562B4 (ja)
WO (1) WO2002021884A2 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209619A1 (de) * 2002-03-05 2003-09-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Betriebsschaltung für Entladungslampe mit EOL-Früherkennung
US7116063B2 (en) * 2003-07-28 2006-10-03 Matsushita Electric Works, Ltd. Dimmable discharge lamp lighting device
CA2488764A1 (en) * 2003-12-03 2005-06-03 Universal Lighting Technologies, Inc. High efficiency 4-lamp instant start ballast
JP4244893B2 (ja) * 2004-09-14 2009-03-25 セイコーエプソン株式会社 周波数制御による放電ランプの点灯
JP4665480B2 (ja) * 2004-10-26 2011-04-06 パナソニック電工株式会社 放電灯点灯装置、照明器具、および照明システム
US7102297B2 (en) * 2005-03-31 2006-09-05 Osram Sylvania, Inc. Ballast with end-of-lamp-life protection circuit
DE202005013675U1 (de) * 2005-08-30 2005-12-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH EVG für Entladungslampen mit EoL Überwachungsschaltung
US20070281571A1 (en) * 2006-05-31 2007-12-06 Zippy Technology Corp. Control method for pre-warning an aging electric discharge lamp
JP4608470B2 (ja) * 2006-08-31 2011-01-12 パナソニック電工株式会社 放電灯点灯装置、及び照明装置
JP4925886B2 (ja) * 2007-03-26 2012-05-09 三菱電機株式会社 放電灯点灯装置及び照明器具
US7560871B2 (en) * 2007-04-12 2009-07-14 Osram Sylvania, Inc. Ballast with socket-to-fixture voltage limiting
US8018700B2 (en) * 2007-08-27 2011-09-13 General Electric Company Risk of shock protection circuit
JP5152970B2 (ja) * 2007-12-19 2013-02-27 パナソニック株式会社 照明装置
JP5081078B2 (ja) * 2008-06-25 2012-11-21 パナソニック株式会社 放電灯点灯装置およびそれを用いた照明器具
DE102009004851A1 (de) 2009-01-16 2010-07-29 Osram Gesellschaft mit beschränkter Haftung Detektorschaltung und Verfahren zur Ansteuerung einer Leuchtstofflampe
DE102009004852A1 (de) * 2009-01-16 2010-07-29 Osram Gesellschaft mit beschränkter Haftung Detektorschaltung und Verfahren zur Ansteuerung einer Leuchtstofflampe
US8482213B1 (en) 2009-06-29 2013-07-09 Panasonic Corporation Electronic ballast with pulse detection circuit for lamp end of life and output short protection
MX2012005123A (es) 2009-11-02 2012-11-29 Genesys Systems Llc Circuito de balastro electronico para lamparas.
US8310161B2 (en) * 2010-08-27 2012-11-13 Osram Sylvania Inc. End of life indicator for lamps
US8384310B2 (en) 2010-10-08 2013-02-26 General Electric Company End-of-life circuit for fluorescent lamp ballasts
US8564216B1 (en) 2011-02-02 2013-10-22 Universal Lighting Technologies, Inc. Asymmetric end-of-life protection circuit for fluorescent lamp ballasts
US8947020B1 (en) 2011-11-17 2015-02-03 Universal Lighting Technologies, Inc. End of life control for parallel lamp ballast
CN112219333B (zh) * 2019-03-27 2022-12-30 华为技术有限公司 无线充电发射装置、发射方法及无线充电系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396536B (de) 1983-01-20 1993-10-25 Zumtobel Ag Schutzschaltung für eine wechselrichterschaltung zum betrieb von gasentladungslampen
US5475284A (en) * 1994-05-03 1995-12-12 Osram Sylvania Inc. Ballast containing circuit for measuring increase in DC voltage component
US5493180A (en) * 1995-03-31 1996-02-20 Energy Savings, Inc., A Delaware Corporation Lamp protective, electronic ballast
US5982113A (en) * 1997-06-20 1999-11-09 Energy Savings, Inc. Electronic ballast producing voltage having trapezoidal envelope for instant start lamps
JPH1131594A (ja) 1997-07-10 1999-02-02 Toshiba Lighting & Technol Corp 放電灯点灯装置および照明装置
US5883473A (en) * 1997-12-03 1999-03-16 Motorola Inc. Electronic Ballast with inverter protection circuit
US5925990A (en) * 1997-12-19 1999-07-20 Energy Savings, Inc. Microprocessor controlled electronic ballast
WO1999034647A1 (de) 1997-12-23 1999-07-08 Tridonic Bauelemente Gmbh Verfahren und vorrichtung zum erfassen des in einer gasentladungslampe auftretenden gleichrichteffekts
JP3603643B2 (ja) * 1999-02-15 2004-12-22 松下電工株式会社 放電灯点灯装置

Also Published As

Publication number Publication date
WO2002021884A2 (en) 2002-03-14
JP2002083699A (ja) 2002-03-22
US20030168997A1 (en) 2003-09-11
JP3797079B2 (ja) 2006-07-12
US6696798B2 (en) 2004-02-24
CN1312964C (zh) 2007-04-25
DE10196562T1 (de) 2003-08-07
CN1483301A (zh) 2004-03-17
WO2002021884A3 (en) 2002-05-10
DE10196562B4 (de) 2010-09-09

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