GB2205206B - Filament driver for fluorescent lamps - Google Patents

Filament driver for fluorescent lamps

Info

Publication number
GB2205206B
GB2205206B GB8809997A GB8809997A GB2205206B GB 2205206 B GB2205206 B GB 2205206B GB 8809997 A GB8809997 A GB 8809997A GB 8809997 A GB8809997 A GB 8809997A GB 2205206 B GB2205206 B GB 2205206B
Authority
GB
United Kingdom
Prior art keywords
fluorescent lamps
filament driver
filament
driver
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.)
Expired - Fee Related
Application number
GB8809997A
Other versions
GB2205206A (en
GB8809997D0 (en
Inventor
Gregory Yates
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.)
Macquarie University
HPM Industries Pty Ltd
Original Assignee
Macquarie University
HPM Industries Pty 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 AU14389/88A external-priority patent/AU593434B2/en
Application filed by Macquarie University, HPM Industries Pty Ltd filed Critical Macquarie University
Publication of GB8809997D0 publication Critical patent/GB8809997D0/en
Publication of GB2205206A publication Critical patent/GB2205206A/en
Application granted granted Critical
Publication of GB2205206B publication Critical patent/GB2205206B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure 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
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
GB8809997A 1987-05-26 1988-04-27 Filament driver for fluorescent lamps Expired - Fee Related GB2205206B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI213787 1987-05-26
AU14389/88A AU593434B2 (en) 1987-05-26 1988-04-07 Filament driver for fluorescent lamps

Publications (3)

Publication Number Publication Date
GB8809997D0 GB8809997D0 (en) 1988-06-02
GB2205206A GB2205206A (en) 1988-11-30
GB2205206B true GB2205206B (en) 1991-02-27

Family

ID=25615430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8809997A Expired - Fee Related GB2205206B (en) 1987-05-26 1988-04-27 Filament driver for fluorescent lamps

Country Status (1)

Country Link
GB (1) GB2205206B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2456285B1 (en) 2010-11-17 2016-10-19 Silergy Corp. A method of controlling an electronic ballast, an electronic ballast and a lighting controller

Also Published As

Publication number Publication date
GB2205206A (en) 1988-11-30
GB8809997D0 (en) 1988-06-02

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Legal Events

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

Effective date: 19990427