DE602004020958D1 - Vorschaltgerät mit Lastanpassbarer Fehlererkennungsschaltung - Google Patents

Vorschaltgerät mit Lastanpassbarer Fehlererkennungsschaltung

Info

Publication number
DE602004020958D1
DE602004020958D1 DE602004020958T DE602004020958T DE602004020958D1 DE 602004020958 D1 DE602004020958 D1 DE 602004020958D1 DE 602004020958 T DE602004020958 T DE 602004020958T DE 602004020958 T DE602004020958 T DE 602004020958T DE 602004020958 D1 DE602004020958 D1 DE 602004020958D1
Authority
DE
Germany
Prior art keywords
ballast
load
detection circuit
fault detection
adjustable fault
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.)
Active
Application number
DE602004020958T
Other languages
English (en)
Inventor
Ayan K Choudhury
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.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania Inc
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 Osram Sylvania Inc filed Critical Osram Sylvania Inc
Publication of DE602004020958D1 publication Critical patent/DE602004020958D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B41/282—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
    • 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
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
DE602004020958T 2003-09-29 2004-08-31 Vorschaltgerät mit Lastanpassbarer Fehlererkennungsschaltung Active DE602004020958D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/674,144 US6856096B1 (en) 2003-09-29 2003-09-29 Ballast with load-adaptable fault detection circuit

Publications (1)

Publication Number Publication Date
DE602004020958D1 true DE602004020958D1 (de) 2009-06-18

Family

ID=34116817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004020958T Active DE602004020958D1 (de) 2003-09-29 2004-08-31 Vorschaltgerät mit Lastanpassbarer Fehlererkennungsschaltung

Country Status (5)

Country Link
US (1) US6856096B1 (de)
EP (1) EP1524886B1 (de)
CN (1) CN1604714B (de)
CA (1) CA2477650C (de)
DE (1) DE602004020958D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005008483A1 (de) * 2005-02-24 2006-08-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH EVG für Hochdruckentladungslampe mit Strommesseinrichtung
TWI283148B (en) * 2005-11-18 2007-06-21 Hon Hai Prec Ind Co Ltd Multi-lamp driving system and abnormality detecting circuit thereof
TWI391029B (zh) * 2007-12-31 2013-03-21 Ampower Technology Co Ltd 放電燈驅動系統
US7528558B2 (en) * 2007-05-11 2009-05-05 Osram Sylvania, Inc. Ballast with ignition voltage control
CA2729233A1 (en) * 2008-06-26 2009-12-30 Osram Sylvania Inc. Ballast with lamp filament detection
CN101959358B (zh) * 2010-11-09 2013-03-20 上海阿卡得电子有限公司 串联谐振瞬时启动型防电弧电子镇流器
CN111894979B (zh) * 2020-07-29 2022-07-26 南京邮电大学 一种具有容错功能的多桥臂开关功放电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893059A (en) * 1986-02-19 1990-01-09 Nilssen Ole K Electronic ballast with safety feature
US4939427A (en) * 1986-10-10 1990-07-03 Nilssen Ole K Ground-fault-protected series-resonant ballast
US5877926A (en) * 1997-10-10 1999-03-02 Moisin; Mihail S. Common mode ground fault signal detection circuit
US6346778B1 (en) * 1998-01-20 2002-02-12 Bytecraft Pty Ltd AC power converter
US5945788A (en) * 1998-03-30 1999-08-31 Motorola Inc. Electronic ballast with inverter control circuit
ATE310373T1 (de) * 1998-12-07 2005-12-15 Systel Dev And Ind Ltd Digitale leistungssteuerung
KR100840933B1 (ko) * 2002-01-31 2008-06-24 삼성전자주식회사 램프 구동 장치 및 이를 갖는 액정 표시 장치

Also Published As

Publication number Publication date
CN1604714B (zh) 2010-06-23
EP1524886B1 (de) 2009-05-06
EP1524886A2 (de) 2005-04-20
CA2477650C (en) 2013-07-16
CA2477650A1 (en) 2005-03-29
US6856096B1 (en) 2005-02-15
CN1604714A (zh) 2005-04-06
EP1524886A3 (de) 2007-10-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition