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GB2492776B - Electronic ballast for a lamp - Google Patents

Electronic ballast for a lamp

Info

Publication number
GB2492776B
GB2492776B GB1111860.1A GB201111860A GB2492776B GB 2492776 B GB2492776 B GB 2492776B GB 201111860 A GB201111860 A GB 201111860A GB 2492776 B GB2492776 B GB 2492776B
Authority
GB
United Kingdom
Prior art keywords
lamp
electronic ballast
ballast
electronic
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.)
Expired - Fee Related
Application number
GB1111860.1A
Other versions
GB2492776A (en
GB201111860D0 (en
Inventor
Kelly Jamie
Makwana Deepak
Mcdermott Kevin
Dalby Paul
Bell Wayne
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 GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Priority to GB1111860.1A priority Critical patent/GB2492776B/en
Publication of GB201111860D0 publication Critical patent/GB201111860D0/en
Priority to PCT/EP2012/063505 priority patent/WO2013007727A2/en
Priority to EP12743411.6A priority patent/EP2732679B1/en
Publication of GB2492776A publication Critical patent/GB2492776A/en
Application granted granted Critical
Publication of GB2492776B publication Critical patent/GB2492776B/en
Expired - Fee Related 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
    • H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2925—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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
    • 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
    • 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
    • H05B41/36—Controlling
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
GB1111860.1A 2011-07-11 2011-07-11 Electronic ballast for a lamp Expired - Fee Related GB2492776B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1111860.1A GB2492776B (en) 2011-07-11 2011-07-11 Electronic ballast for a lamp
PCT/EP2012/063505 WO2013007727A2 (en) 2011-07-11 2012-07-10 Electronic ballast for a lamp
EP12743411.6A EP2732679B1 (en) 2011-07-11 2012-07-10 Electronic ballast for a lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1111860.1A GB2492776B (en) 2011-07-11 2011-07-11 Electronic ballast for a lamp

Publications (3)

Publication Number Publication Date
GB201111860D0 GB201111860D0 (en) 2011-08-24
GB2492776A GB2492776A (en) 2013-01-16
GB2492776B true GB2492776B (en) 2016-06-22

Family

ID=44544558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1111860.1A Expired - Fee Related GB2492776B (en) 2011-07-11 2011-07-11 Electronic ballast for a lamp

Country Status (3)

Country Link
EP (1) EP2732679B1 (en)
GB (1) GB2492776B (en)
WO (1) WO2013007727A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700113A (en) * 1981-12-28 1987-10-13 North American Philips Corporation Variable high frequency ballast circuit
WO2002060228A1 (en) * 2001-01-24 2002-08-01 Stmicroelectronics S.R.L. Fault management method for electronic ballast
US20080278085A1 (en) * 2007-05-11 2008-11-13 Osram Sylvania, Inc. Program Start Ballast
US20080290809A1 (en) * 2007-05-24 2008-11-27 Stmicroelectronics S.R.L. Control circuit of a driving circuit of a discharge lamp
US20100134029A1 (en) * 2007-03-30 2010-06-03 Osram Gesellschaft Mit Beschraenkter Haftung Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6160362A (en) * 1998-01-07 2000-12-12 Philips Electronics North America Corporation Ignition scheme for a high intensity discharge lamp
DE10013342A1 (en) * 2000-03-17 2001-09-27 Trilux Lenze Gmbh & Co Kg Producing ignition voltage for fluorescent lamps involves applying start voltages of reducing frequency until lamp voltage reaches desired value
DE10204044A1 (en) * 2002-02-01 2003-08-14 Tridonicatco Gmbh & Co Kg Electronic ballast for gas discharge lamp
US7528558B2 (en) * 2007-05-11 2009-05-05 Osram Sylvania, Inc. Ballast with ignition voltage control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700113A (en) * 1981-12-28 1987-10-13 North American Philips Corporation Variable high frequency ballast circuit
WO2002060228A1 (en) * 2001-01-24 2002-08-01 Stmicroelectronics S.R.L. Fault management method for electronic ballast
US20100134029A1 (en) * 2007-03-30 2010-06-03 Osram Gesellschaft Mit Beschraenkter Haftung Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit
US20080278085A1 (en) * 2007-05-11 2008-11-13 Osram Sylvania, Inc. Program Start Ballast
US20080290809A1 (en) * 2007-05-24 2008-11-27 Stmicroelectronics S.R.L. Control circuit of a driving circuit of a discharge lamp

Also Published As

Publication number Publication date
GB2492776A (en) 2013-01-16
WO2013007727A3 (en) 2013-04-04
WO2013007727A2 (en) 2013-01-17
GB201111860D0 (en) 2011-08-24
EP2732679B1 (en) 2017-08-02
EP2732679A2 (en) 2014-05-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180711