AU2001284425A1 - Ballast circuit for operating a discharge lamp - Google Patents
Ballast circuit for operating a discharge lampInfo
- 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
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
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)
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)
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 |
-
2000
- 2000-09-06 JP JP2000270458A patent/JP3797079B2/ja not_active Expired - Fee Related
-
2001
- 2001-09-05 DE DE10196562T patent/DE10196562B4/de not_active Expired - Fee Related
- 2001-09-05 US US10/362,689 patent/US6696798B2/en not_active Expired - Lifetime
- 2001-09-05 WO PCT/JP2001/007680 patent/WO2002021884A2/en active Application Filing
- 2001-09-05 AU AU2001284425A patent/AU2001284425A1/en not_active Abandoned
- 2001-09-05 CN CNB018152120A patent/CN1312964C/zh not_active Expired - Fee Related
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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