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FI20002069A0 - Electronic ballast for fluorescent lamps - Google Patents

Electronic ballast for fluorescent lamps

Info

Publication number
FI20002069A0
FI20002069A0 FI20002069A FI20002069A FI20002069A0 FI 20002069 A0 FI20002069 A0 FI 20002069A0 FI 20002069 A FI20002069 A FI 20002069A FI 20002069 A FI20002069 A FI 20002069A FI 20002069 A0 FI20002069 A0 FI 20002069A0
Authority
FI
Finland
Prior art keywords
fluorescent lamps
electronic ballast
ballast
electronic
lamps
Prior art date
Application number
FI20002069A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI108105B (en
Inventor
Hannu Vihinen
Teijo Viljanen
Original Assignee
Helvar Oy Ab
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 Helvar Oy Ab filed Critical Helvar Oy Ab
Priority to FI20002069A priority Critical patent/FI108105B/en
Publication of FI20002069A0 publication Critical patent/FI20002069A0/en
Priority to EP01660174A priority patent/EP1191824A3/en
Application granted granted Critical
Publication of FI108105B publication Critical patent/FI108105B/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
    • H05B41/295—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
FI20002069A 2000-09-20 2000-09-20 Electronic connection arrangement for a fluorescent tube FI108105B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20002069A FI108105B (en) 2000-09-20 2000-09-20 Electronic connection arrangement for a fluorescent tube
EP01660174A EP1191824A3 (en) 2000-09-20 2001-09-19 Electronic ballast for fluorescent lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002069 2000-09-20
FI20002069A FI108105B (en) 2000-09-20 2000-09-20 Electronic connection arrangement for a fluorescent tube

Publications (2)

Publication Number Publication Date
FI20002069A0 true FI20002069A0 (en) 2000-09-20
FI108105B FI108105B (en) 2001-11-15

Family

ID=8559118

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002069A FI108105B (en) 2000-09-20 2000-09-20 Electronic connection arrangement for a fluorescent tube

Country Status (2)

Country Link
EP (1) EP1191824A3 (en)
FI (1) FI108105B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20065033L (en) 2006-01-18 2007-07-19 Helvar Oy Ab Electronic connection device for fluorescent tubes
US20090079361A1 (en) 2006-02-28 2009-03-26 Koninklijke Philips Electronics N.V. Method and device for driving a discharge lamp
US20100327759A1 (en) 2009-06-24 2010-12-30 Koninklijke Philips Electronics N.V. Electronic ballast for a fluorescent lamp
US20130009565A1 (en) * 2010-03-19 2013-01-10 Koninklijke Philips Electronics N.V. Electronic ballast for parallel lamp operation with program start

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59207908D1 (en) * 1992-09-24 1997-02-27 Knobel Lichttech Circuit arrangement for operating a fluorescent lamp and for measuring the lamp current
US5656891A (en) * 1994-10-13 1997-08-12 Tridonic Bauelemente Gmbh Gas discharge lamp ballast with heating control circuit and method of operating same
BE1009717A3 (en) * 1995-10-20 1997-07-01 Philips Electronics Nv Shifting.

Also Published As

Publication number Publication date
FI108105B (en) 2001-11-15
EP1191824A2 (en) 2002-03-27
EP1191824A3 (en) 2003-12-17

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Legal Events

Date Code Title Description
MA Patent expired