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GB2248985B - Fluorescent tube driver - Google Patents

Fluorescent tube driver

Info

Publication number
GB2248985B
GB2248985B GB9100182A GB9100182A GB2248985B GB 2248985 B GB2248985 B GB 2248985B GB 9100182 A GB9100182 A GB 9100182A GB 9100182 A GB9100182 A GB 9100182A GB 2248985 B GB2248985 B GB 2248985B
Authority
GB
United Kingdom
Prior art keywords
fluorescent tube
tube driver
driver
fluorescent
tube
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
GB9100182A
Other versions
GB2248985A (en
GB9100182D0 (en
Inventor
John Hesketh
Martin Thornton
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.)
Coolite Ltd
Original Assignee
Coolite 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 GB909018695A external-priority patent/GB9018695D0/en
Priority claimed from GB909024212A external-priority patent/GB9024212D0/en
Application filed by Coolite Ltd filed Critical Coolite Ltd
Publication of GB9100182D0 publication Critical patent/GB9100182D0/en
Priority to PCT/GB1991/000355 priority Critical patent/WO1992003899A1/en
Priority to AU73488/91A priority patent/AU7348891A/en
Priority to US07/669,014 priority patent/US5065074A/en
Publication of GB2248985A publication Critical patent/GB2248985A/en
Application granted granted Critical
Publication of GB2248985B publication Critical patent/GB2248985B/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
    • H05B41/26—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
    • H05B41/2821—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 single-switch converter or a parallel push-pull converter in the final stage
GB9100182A 1990-08-24 1991-01-04 Fluorescent tube driver Expired - Fee Related GB2248985B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/GB1991/000355 WO1992003899A1 (en) 1990-08-24 1991-03-06 Fluorescent tube driver and lighting system
AU73488/91A AU7348891A (en) 1990-08-24 1991-03-06 Fluorescent tube driver and lighting system
US07/669,014 US5065074A (en) 1990-08-24 1991-03-13 Fluorescent tube driver and lighting system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909018695A GB9018695D0 (en) 1990-08-24 1990-08-24 Fluorescent tube driver
GB909024212A GB9024212D0 (en) 1990-11-07 1990-11-07 Fluorescent tube driver

Publications (3)

Publication Number Publication Date
GB9100182D0 GB9100182D0 (en) 1991-02-20
GB2248985A GB2248985A (en) 1992-04-22
GB2248985B true GB2248985B (en) 1994-08-03

Family

ID=26297557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9100182A Expired - Fee Related GB2248985B (en) 1990-08-24 1991-01-04 Fluorescent tube driver

Country Status (1)

Country Link
GB (1) GB2248985B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119431A (en) * 1965-06-29 1968-07-10 Vactoric Control Equip Improvements in or relating to beacon devices
GB1176360A (en) * 1967-08-11 1970-01-01 Thorn Electronics Ltd Improvements in Inverter Circuits
GB1233841A (en) * 1969-04-24 1971-06-03
US3700956A (en) * 1971-01-04 1972-10-24 Gte Laboratories Inc Arc discharge lamp control circuit
GB1308284A (en) * 1971-01-25 1973-02-21 Thorn Electrical Ind Ltd Self-biased class c oscillators
GB1460232A (en) * 1974-07-03 1976-12-31 Philips Electronic Associated Dc-ac invertor for supplying a discharge lamp
GB2010606A (en) * 1977-11-16 1979-06-27 Scientific Prototype Mfg Emergency light system
GB2113937A (en) * 1982-01-21 1983-08-10 Sonca Ind Ltd Improvements relating to inverter circuits
GB2126810A (en) * 1982-09-06 1984-03-28 David John Martin Electronic drive circuit for discharge lamps

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119431A (en) * 1965-06-29 1968-07-10 Vactoric Control Equip Improvements in or relating to beacon devices
GB1176360A (en) * 1967-08-11 1970-01-01 Thorn Electronics Ltd Improvements in Inverter Circuits
GB1233841A (en) * 1969-04-24 1971-06-03
US3700956A (en) * 1971-01-04 1972-10-24 Gte Laboratories Inc Arc discharge lamp control circuit
GB1308284A (en) * 1971-01-25 1973-02-21 Thorn Electrical Ind Ltd Self-biased class c oscillators
GB1460232A (en) * 1974-07-03 1976-12-31 Philips Electronic Associated Dc-ac invertor for supplying a discharge lamp
GB2010606A (en) * 1977-11-16 1979-06-27 Scientific Prototype Mfg Emergency light system
GB2113937A (en) * 1982-01-21 1983-08-10 Sonca Ind Ltd Improvements relating to inverter circuits
GB2126810A (en) * 1982-09-06 1984-03-28 David John Martin Electronic drive circuit for discharge lamps

Also Published As

Publication number Publication date
GB2248985A (en) 1992-04-22
GB9100182D0 (en) 1991-02-20

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Legal Events

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

Effective date: 19950104