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GB9326349D0 - Electronic ballast for fluorescent lamps - Google Patents

Electronic ballast for fluorescent lamps

Info

Publication number
GB9326349D0
GB9326349D0 GB939326349A GB9326349A GB9326349D0 GB 9326349 D0 GB9326349 D0 GB 9326349D0 GB 939326349 A GB939326349 A GB 939326349A GB 9326349 A GB9326349 A GB 9326349A GB 9326349 D0 GB9326349 D0 GB 9326349D0
Authority
GB
United Kingdom
Prior art keywords
fluorescent lamps
electronic ballast
ballast
electronic
lamps
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Withdrawn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
GB939326349A
Other versions
GB2274220A (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.)
LUMINAIRE SYSTEMS Ltd
Original Assignee
LUMINAIRE SYSTEMS Ltd
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
Priority claimed from GB929226992A external-priority patent/GB9226992D0/en
Application filed by LUMINAIRE SYSTEMS Ltd filed Critical LUMINAIRE SYSTEMS Ltd
Publication of GB9326349D0 publication Critical patent/GB9326349D0/en
Publication of GB2274220A publication Critical patent/GB2274220A/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Withdrawn legal-status Critical Current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
    • H05B41/02—Details
    • 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
    • H05B41/2825—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 by means of a bridge converter in the final stage
GB9326349A 1992-12-24 1993-12-23 Electronic ballast for fluorescent lamps Withdrawn GB2274220A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929226992A GB9226992D0 (en) 1992-12-24 1992-12-24 Ballast for fluorescent lamps
GB939317840A GB9317840D0 (en) 1992-12-24 1993-08-27 Electronic ballast for fluorescent lamps

Publications (2)

Publication Number Publication Date
GB9326349D0 true GB9326349D0 (en) 1994-02-23
GB2274220A GB2274220A (en) 1994-07-13

Family

ID=26302233

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9326349A Withdrawn GB2274220A (en) 1992-12-24 1993-12-23 Electronic ballast for fluorescent lamps

Country Status (1)

Country Link
GB (1) GB2274220A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039186A (en) * 1978-12-28 1980-07-30 Nilssen O K Selfoscillating inverter
DE3112577A1 (en) * 1981-03-30 1982-10-14 Patra Patent Treuhand Ballast arrangement for operating low-pressure discharge lamps
US4682082A (en) * 1985-05-16 1987-07-21 The Scott & Fetzer Company Gas discharge lamp energization circuit
WO1987000719A1 (en) * 1985-07-23 1987-01-29 Wolf, Karl Circuit for starting and operating at least one low-pressure or high-pressure gas discharge lamp with high-frequnency oscillations
US4952849A (en) * 1988-07-15 1990-08-28 North American Philips Corporation Fluorescent lamp controllers
JPH0389493A (en) * 1989-08-31 1991-04-15 Toshiba Lighting & Technol Corp discharge lamp lighting device
US5138236B1 (en) * 1991-05-28 1996-11-26 Motorola Lighting Inc Circuit for driving a gas discharge lamp load

Also Published As

Publication number Publication date
GB2274220A (en) 1994-07-13

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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)