GB9901605D0 - Control system for fluorescent lamps - Google Patents

Control system for fluorescent lamps

Info

Publication number
GB9901605D0
GB9901605D0 GBGB9901605.7A GB9901605A GB9901605D0 GB 9901605 D0 GB9901605 D0 GB 9901605D0 GB 9901605 A GB9901605 A GB 9901605A GB 9901605 D0 GB9901605 D0 GB 9901605D0
Authority
GB
United Kingdom
Prior art keywords
control system
fluorescent lamps
lamps
fluorescent
control
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.)
Withdrawn
Application number
GBGB9901605.7A
Other versions
GB2333913A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9901605D0 publication Critical patent/GB9901605D0/en
Publication of GB2333913A publication Critical patent/GB2333913A/en
Withdrawn legal-status Critical Current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
    • H05B41/36—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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • H05B41/245—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency for a plurality of 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
    • H05B41/26—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
GB9901605A 1998-01-28 1999-01-25 Control system for a plurality of fluorescent lamps Withdrawn GB2333913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9801659.5A GB9801659D0 (en) 1998-01-28 1998-01-28 Individually switched fluorescent lamp circuits supplied from a master ballast or inverter

Publications (2)

Publication Number Publication Date
GB9901605D0 true GB9901605D0 (en) 1999-03-17
GB2333913A GB2333913A (en) 1999-08-04

Family

ID=10825933

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9801659.5A Ceased GB9801659D0 (en) 1998-01-28 1998-01-28 Individually switched fluorescent lamp circuits supplied from a master ballast or inverter
GB9901605A Withdrawn GB2333913A (en) 1998-01-28 1999-01-25 Control system for a plurality of fluorescent lamps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9801659.5A Ceased GB9801659D0 (en) 1998-01-28 1998-01-28 Individually switched fluorescent lamp circuits supplied from a master ballast or inverter

Country Status (1)

Country Link
GB (2) GB9801659D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6111369A (en) * 1998-12-18 2000-08-29 Clalight Israel Ltd. Electronic ballast
WO2008075389A1 (en) * 2006-12-21 2008-06-26 Osram Gesellschaft mit beschränkter Haftung A cell arrangement for feeding electrical loads such as light sources, corresponding circuit and design method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896336A (en) * 1973-12-20 1975-07-22 Texas Instruments Inc Solid state fluorescent lamp ballast system
GB2261332B (en) * 1991-11-06 1996-05-08 Horizon Fabrications Ltd Driving circuit for electrical discharge devices
DE4238409A1 (en) * 1992-11-13 1994-05-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Circuit arrangement for operating low-pressure discharge lamps

Also Published As

Publication number Publication date
GB9801659D0 (en) 1998-03-25
GB2333913A (en) 1999-08-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)