IT8919187A0 - IMPROVEMENTS TO THE FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES. - Google Patents

IMPROVEMENTS TO THE FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES.

Info

Publication number
IT8919187A0
IT8919187A0 IT8919187A IT1918789A IT8919187A0 IT 8919187 A0 IT8919187 A0 IT 8919187A0 IT 8919187 A IT8919187 A IT 8919187A IT 1918789 A IT1918789 A IT 1918789A IT 8919187 A0 IT8919187 A0 IT 8919187A0
Authority
IT
Italy
Prior art keywords
power supply
frequency converter
cold cathode
cathode fluorescent
fluorescent tubes
Prior art date
Application number
IT8919187A
Other languages
Italian (it)
Other versions
IT1228394B (en
Inventor
Fulvio Tacconi
Original Assignee
Esio Milano
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 Esio Milano filed Critical Esio Milano
Priority to IT8919187A priority Critical patent/IT1228394B/en
Publication of IT8919187A0 publication Critical patent/IT8919187A0/en
Priority to EP19890123995 priority patent/EP0379729A3/en
Application granted granted Critical
Publication of IT1228394B publication Critical patent/IT1228394B/en

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
    • H05B41/2825—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
IT8919187A 1989-01-25 1989-01-25 REFERENCES IN FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES. IT1228394B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8919187A IT1228394B (en) 1989-01-25 1989-01-25 REFERENCES IN FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES.
EP19890123995 EP0379729A3 (en) 1989-01-25 1989-12-27 Improvements in frequency converter circuits for powering cold cathode fluorescent tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919187A IT1228394B (en) 1989-01-25 1989-01-25 REFERENCES IN FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES.

Publications (2)

Publication Number Publication Date
IT8919187A0 true IT8919187A0 (en) 1989-01-25
IT1228394B IT1228394B (en) 1991-06-14

Family

ID=11155636

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8919187A IT1228394B (en) 1989-01-25 1989-01-25 REFERENCES IN FREQUENCY CONVERTER CIRCUITS FOR THE POWER SUPPLY OF COLD CATHODE FLUORESCENT TUBES.

Country Status (2)

Country Link
EP (1) EP0379729A3 (en)
IT (1) IT1228394B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335375B4 (en) * 1993-10-16 2009-04-16 Deutsche Thomson-Brandt Gmbh Power supply unit for supplying a gas discharge lamp
EP1734561A3 (en) * 2005-06-06 2012-01-25 TBT Asset Management International Limited High power cold cathode straight fluorescent lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417181A (en) * 1979-07-06 1983-11-22 Sonelt Corporation Electronic ballast
GB2172451B (en) * 1985-02-07 1989-06-14 El Co Villamos Keszulekek Es S Circuit system for igniting and lighting a high-pressure discharge lamp particulary a sodium vapour lamp
DE3626209A1 (en) * 1986-08-02 1988-02-04 Telefunken Electronic Gmbh Ballast for at least one discharge lamp
US4745537A (en) * 1987-01-23 1988-05-17 Cheung P S Low dissipation power converter

Also Published As

Publication number Publication date
EP0379729A2 (en) 1990-08-01
EP0379729A3 (en) 1990-12-19
IT1228394B (en) 1991-06-14

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