DE69619622D1 - Schaltungsanordnung - Google Patents

Schaltungsanordnung

Info

Publication number
DE69619622D1
DE69619622D1 DE69619622T DE69619622T DE69619622D1 DE 69619622 D1 DE69619622 D1 DE 69619622D1 DE 69619622 T DE69619622 T DE 69619622T DE 69619622 T DE69619622 T DE 69619622T DE 69619622 D1 DE69619622 D1 DE 69619622D1
Authority
DE
Germany
Prior art keywords
circuitry
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
DE69619622T
Other languages
English (en)
Other versions
DE69619622T2 (de
Inventor
Machiel Antonius Marti Hendrix
Mol Eugen Jacob De
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69619622D1 publication Critical patent/DE69619622D1/de
Application granted granted Critical
Publication of DE69619622T2 publication Critical patent/DE69619622T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/36Controlling
    • H05B41/38Controlling the intensity of light
    • H05B41/39Controlling the intensity of light continuously
    • H05B41/392Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
DE1996619622 1995-11-07 1996-10-25 Schaltungsanordnung Expired - Fee Related DE69619622T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9500915A BE1009765A3 (nl) 1995-11-07 1995-11-07 Schakelinrichting.

Publications (2)

Publication Number Publication Date
DE69619622D1 true DE69619622D1 (de) 2002-04-11
DE69619622T2 DE69619622T2 (de) 2003-02-20

Family

ID=3889280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996619622 Expired - Fee Related DE69619622T2 (de) 1995-11-07 1996-10-25 Schaltungsanordnung

Country Status (5)

Country Link
EP (1) EP0774885B1 (de)
JP (1) JPH09204989A (de)
BE (1) BE1009765A3 (de)
DE (1) DE69619622T2 (de)
TW (1) TW324879B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19708783C1 (de) 1997-03-04 1998-10-08 Tridonic Bauelemente Verfahren und Vorrichtung zum Regeln des Betriebsverhaltens von Gasentladungslampen
TW520618B (en) 1999-10-21 2003-02-11 Matsushita Electric Ind Co Ltd Fluorescent lamp operating apparatus and compact self-ballasted fluorescent lamp
WO2002037904A1 (en) * 2000-11-02 2002-05-10 Koninklijke Philips Electronics N.V. Digital ballast
DE102006011970A1 (de) * 2006-03-15 2007-09-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Geregeltes Vorschaltgerät für eine Lampe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491387A (en) * 1992-06-29 1996-02-13 Kansei Corporation Discharge lamp lighting circuit for increasing electric power fed in initial lighting of the lamp
US5382881A (en) * 1992-12-28 1995-01-17 North American Philips Corporation Ballast stabilization circuitry for eliminating moding or oscillation of the current envelope in gas discharge lamps and method of operating
JP3244859B2 (ja) * 1993-04-12 2002-01-07 池田デンソー株式会社 放電灯点灯装置

Also Published As

Publication number Publication date
BE1009765A3 (nl) 1997-08-05
TW324879B (en) 1998-01-11
EP0774885B1 (de) 2002-03-06
JPH09204989A (ja) 1997-08-05
EP0774885A1 (de) 1997-05-21
DE69619622T2 (de) 2003-02-20

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee