GB2499020B - Lamp ballast - Google Patents

Lamp ballast

Info

Publication number
GB2499020B
GB2499020B GB1201919.6A GB201201919A GB2499020B GB 2499020 B GB2499020 B GB 2499020B GB 201201919 A GB201201919 A GB 201201919A GB 2499020 B GB2499020 B GB 2499020B
Authority
GB
United Kingdom
Prior art keywords
lamp ballast
ballast
lamp
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
GB1201919.6A
Other versions
GB2499020A (en
GB201201919D0 (en
Inventor
Jamie Kelly
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 GB1201919.6A priority Critical patent/GB2499020B/en
Publication of GB201201919D0 publication Critical patent/GB201201919D0/en
Priority to PCT/EP2013/051939 priority patent/WO2013113836A1/en
Publication of GB2499020A publication Critical patent/GB2499020A/en
Application granted granted Critical
Publication of GB2499020B publication Critical patent/GB2499020B/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
    • H05B41/282—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
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit 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
    • 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
GB1201919.6A 2012-02-03 2012-02-03 Lamp ballast Expired - Fee Related GB2499020B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1201919.6A GB2499020B (en) 2012-02-03 2012-02-03 Lamp ballast
PCT/EP2013/051939 WO2013113836A1 (en) 2012-02-03 2013-01-31 Lamp ballast having switched charge pump having overload protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1201919.6A GB2499020B (en) 2012-02-03 2012-02-03 Lamp ballast

Publications (3)

Publication Number Publication Date
GB201201919D0 GB201201919D0 (en) 2012-03-21
GB2499020A GB2499020A (en) 2013-08-07
GB2499020B true GB2499020B (en) 2016-04-20

Family

ID=45896606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1201919.6A Expired - Fee Related GB2499020B (en) 2012-02-03 2012-02-03 Lamp ballast

Country Status (2)

Country Link
GB (1) GB2499020B (en)
WO (1) WO2013113836A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115461974A (en) 2020-05-29 2022-12-09 赤多尼科两合股份有限公司 Apparatus and method for controlling charge pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090128057A1 (en) * 2007-09-15 2009-05-21 Frank Alexander Valdez Fluorescent lamp and ballast with balanced energy recovery pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5396153A (en) * 1993-12-09 1995-03-07 Motorola Lighting, Inc. Protection circuit for electronic ballasts which use charge pump power factor correction
DE10220471A1 (en) * 2002-05-07 2003-11-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Circuit arrangement for operating discharge lamps
DE10303276A1 (en) * 2003-01-28 2004-07-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Starter circuit for electrical discharge lamp uses a limit setting switch to provide inputs of controller to set inverter frequency
US7977927B2 (en) * 2007-08-08 2011-07-12 Advanced Analogic Technologies, Inc. Step-up DC/DC voltage converter with improved transient current capability
DE102009020834A1 (en) * 2009-05-11 2011-02-03 Austriamicrosystems Ag Voltage transformer and voltage conversion method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090128057A1 (en) * 2007-09-15 2009-05-21 Frank Alexander Valdez Fluorescent lamp and ballast with balanced energy recovery pump

Also Published As

Publication number Publication date
WO2013113836A1 (en) 2013-08-08
GB2499020A (en) 2013-08-07
GB201201919D0 (en) 2012-03-21

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Legal Events

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

Effective date: 20230203