DE69614953D1 - Schaltungsanordnung - Google Patents

Schaltungsanordnung

Info

Publication number
DE69614953D1
DE69614953D1 DE69614953T DE69614953T DE69614953D1 DE 69614953 D1 DE69614953 D1 DE 69614953D1 DE 69614953 T DE69614953 T DE 69614953T DE 69614953 T DE69614953 T DE 69614953T DE 69614953 D1 DE69614953 D1 DE 69614953D1
Authority
DE
Germany
Prior art keywords
circuit arrangement
arrangement
circuit
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
DE69614953T
Other languages
English (en)
Other versions
DE69614953T2 (de
Inventor
Sreerman Venkitasubrahmanian
Thomas Farkas
W Bruning
Robert Veldman
Raj Jayaraman
Yongping Xia
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 DE69614953D1 publication Critical patent/DE69614953D1/de
Application granted granted Critical
Publication of DE69614953T2 publication Critical patent/DE69614953T2/de
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
    • H05B41/36—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps
DE69614953T 1995-03-31 1996-03-14 Schaltungsanordnung Expired - Fee Related DE69614953T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/422,198 US5604411A (en) 1995-03-31 1995-03-31 Electronic ballast having a triac dimming filter with preconditioner offset control
PCT/IB1996/000221 WO1996031097A1 (en) 1995-03-31 1996-03-14 Circuit arrangement

Publications (2)

Publication Number Publication Date
DE69614953D1 true DE69614953D1 (de) 2001-10-11
DE69614953T2 DE69614953T2 (de) 2002-04-11

Family

ID=23673805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614953T Expired - Fee Related DE69614953T2 (de) 1995-03-31 1996-03-14 Schaltungsanordnung

Country Status (8)

Country Link
US (1) US5604411A (de)
EP (1) EP0763312B1 (de)
JP (1) JPH10501653A (de)
CN (1) CN1098616C (de)
CA (1) CA2191462A1 (de)
DE (1) DE69614953T2 (de)
MX (1) MX9605878A (de)
WO (1) WO1996031097A1 (de)

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JPH10284266A (ja) * 1997-04-03 1998-10-23 Mitsubishi Electric Corp 発光制御装置
US5994848A (en) * 1997-04-10 1999-11-30 Philips Electronics North America Corporation Triac dimmable, single stage compact flourescent lamp
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FR2780221B1 (fr) * 1998-06-22 2000-09-29 Sgs Thomson Microelectronics Emission d'une consigne de fonctionnement par une ligne d'alimentation alternative
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US6114814A (en) * 1998-12-11 2000-09-05 Monolithic Power Systems, Inc. Apparatus for controlling a discharge lamp in a backlighted display
US6144169A (en) * 1998-12-29 2000-11-07 Philips Electronics North America Corporation Triac dimmable electronic ballast with single stage feedback power factor inverter
US6172466B1 (en) * 1999-02-12 2001-01-09 The Hong Kong University Of Science And Technology Phase-controlled dimmable ballast
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FR2792132B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
US6650226B1 (en) 1999-04-07 2003-11-18 Stmicroelectronics S.A. Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
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FR2792136B1 (fr) 1999-04-07 2001-11-16 St Microelectronics Sa Transmission en duplex dans un systeme de transpondeurs electromagnetiques
FR2792135B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
FR2796781A1 (fr) 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
US7049935B1 (en) 1999-07-20 2006-05-23 Stmicroelectronics S.A. Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
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FR2808946A1 (fr) 2000-05-12 2001-11-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur
FR2808942B1 (fr) * 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation de phase
FR2808941B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation d'amplitude
FR2808945B1 (fr) * 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
FR2809251B1 (fr) * 2000-05-17 2003-08-15 St Microelectronics Sa Dispositif de production d'un champ electromagnetique pour transpondeur
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Also Published As

Publication number Publication date
CA2191462A1 (en) 1996-10-03
CN1154198A (zh) 1997-07-09
WO1996031097A1 (en) 1996-10-03
MX9605878A (es) 1997-12-31
DE69614953T2 (de) 2002-04-11
EP0763312B1 (de) 2001-09-05
EP0763312A1 (de) 1997-03-19
CN1098616C (zh) 2003-01-08
US5604411A (en) 1997-02-18
JPH10501653A (ja) 1998-02-10

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