FI914970A0 - Kretskoppling. - Google Patents

Kretskoppling.

Info

Publication number
FI914970A0
FI914970A0 FI914970A FI914970A FI914970A0 FI 914970 A0 FI914970 A0 FI 914970A0 FI 914970 A FI914970 A FI 914970A FI 914970 A FI914970 A FI 914970A FI 914970 A0 FI914970 A0 FI 914970A0
Authority
FI
Finland
Prior art keywords
conducting
lamp
discharge lamp
frequency
load branch
Prior art date
Application number
FI914970A
Other languages
English (en)
Other versions
FI914970A (fi
Inventor
Meurs Johannes Maria Van
Jozef Hubert Reijnaerts
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of FI914970A0 publication Critical patent/FI914970A0/fi
Publication of FI914970A publication Critical patent/FI914970A/fi

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
    • 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
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Amplifiers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Inverter Devices (AREA)
FI914970A 1990-10-25 1991-10-22 Kretskoppling. FI914970A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9002332 1990-10-25

Publications (2)

Publication Number Publication Date
FI914970A0 true FI914970A0 (fi) 1991-10-22
FI914970A FI914970A (fi) 1992-04-26

Family

ID=19857879

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914970A FI914970A (fi) 1990-10-25 1991-10-22 Kretskoppling.

Country Status (8)

Country Link
US (1) US5198726A (fi)
EP (1) EP0482705B1 (fi)
JP (1) JPH04264397A (fi)
KR (1) KR920008893A (fi)
AT (1) ATE132686T1 (fi)
DE (1) DE69116081T2 (fi)
FI (1) FI914970A (fi)
HU (1) HU212521B (fi)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373217A (en) * 1993-03-24 1994-12-13 Osram Sylvania Inc. Method and circuit for enhancing stability during dimming of electrodeless hid lamp
US5422545A (en) * 1993-08-19 1995-06-06 Tek-Tron Enterprises, Inc. Closed loop feedback control circuits for gas discharge lamps
BE1007458A3 (nl) * 1993-08-23 1995-07-04 Philips Electronics Nv Schakelinrichting.
US5744913A (en) * 1994-03-25 1998-04-28 Pacific Scientific Company Fluorescent lamp apparatus with integral dimming control
US5686799A (en) * 1994-03-25 1997-11-11 Pacific Scientific Company Ballast circuit for compact fluorescent lamp
US5691606A (en) * 1994-09-30 1997-11-25 Pacific Scientific Company Ballast circuit for fluorescent lamp
US6037722A (en) * 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5821699A (en) * 1994-09-30 1998-10-13 Pacific Scientific Ballast circuit for fluorescent lamps
US5596247A (en) * 1994-10-03 1997-01-21 Pacific Scientific Company Compact dimmable fluorescent lamps with central dimming ring
DE4437453A1 (de) * 1994-10-19 1996-04-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betrieb einer Entladungslampe und Schaltungsanordnung zum Betrieb einer Entladungslampe
CN1124778C (zh) * 1995-06-29 2003-10-15 皇家菲利浦电子有限公司 电路配置
US5751118A (en) * 1995-07-07 1998-05-12 Magnetek Universal input dimmer interface
TW381409B (en) * 1996-03-14 2000-02-01 Mitsubishi Electric Corp Discharging lamp lighting device
US5742134A (en) * 1996-05-03 1998-04-21 Philips Electronics North America Corp. Inverter driving scheme
US5925986A (en) * 1996-05-09 1999-07-20 Pacific Scientific Company Method and apparatus for controlling power delivered to a fluorescent lamp
US5990634A (en) * 1996-05-31 1999-11-23 Logic Laboratories, Inc. Dynamic range dimmer for gas discharge lamps
WO1998011763A1 (en) * 1996-09-11 1998-03-19 Philips Electronics N.V. Circuit arrangement
US5866993A (en) * 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction
JP3858317B2 (ja) * 1996-11-29 2006-12-13 東芝ライテック株式会社 放電灯点灯装置及び照明装置
US5798617A (en) * 1996-12-18 1998-08-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
KR100350685B1 (ko) * 1999-11-11 2003-01-24 송정식 1회용 혈관 수지침
DE10018860A1 (de) * 2000-04-14 2001-10-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Stabilisierung des Betriebs von Gasentladungslampen
US6448713B1 (en) * 2000-12-07 2002-09-10 General Electric Company Sensing and control for dimmable electronic ballast
US6639369B2 (en) 2001-03-22 2003-10-28 International Rectifier Corporation Electronic dimmable ballast for high intensity discharge lamp
EP1397944A1 (en) * 2001-05-31 2004-03-17 Koninklijke Philips Electronics N.V. Power control device, apparatus and method of controlling the power supplied to a discharge lamp
US6969955B2 (en) * 2004-01-29 2005-11-29 Axis Technologies, Inc. Method and apparatus for dimming control of electronic ballasts
US20070127179A1 (en) * 2005-12-05 2007-06-07 Ludjin William R Burnout protection switch
DE602007010478D1 (de) * 2006-09-07 2010-12-23 Koninkl Philips Electronics Nv Lampenantriebsschaltung und verfahren zum antreiben einer entladungslampe
CN102640572B (zh) * 2009-12-08 2015-01-28 皇家飞利浦电子股份有限公司 用于驱动荧光灯的方法和设备
DE102014005669B4 (de) 2014-04-19 2017-10-26 Iie Gmbh & Co. Kg Vorrichtung und Verfahren zum Betreiben eines Lichterzeugers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913002A (en) * 1974-01-02 1975-10-14 Gen Electric Power circuits for obtaining a high power factor electronically
DE3266600D1 (en) * 1981-02-21 1985-11-07 Emi Plc Thorn Lamp driver circuits
US4894587A (en) * 1984-08-17 1990-01-16 Lutron Electronics Co., Inc. High frequency gas discharge lamp dimming ballast
CA1333408C (en) * 1984-10-16 1994-12-06 Calvin E. Grubbs Electronic ballast circuit for fluorescent lamps
US4873471A (en) * 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps
ES2054726T3 (es) * 1988-04-20 1994-08-16 Zumtobel Ag Convertidor para una lampara de descarga.
US4906901A (en) * 1988-08-29 1990-03-06 Gardenamerica Corporation Power supply for outdoor lighting systems using high frequency
US5097181A (en) * 1989-09-29 1992-03-17 Toshiba Lighting & Technology Corporation Discharge lamp lighting device having level shift control function
EP0422255B1 (de) * 1989-10-09 1994-03-02 Siemens Aktiengesellschaft Elektronisches Vorschaltgerät
US5075602A (en) * 1989-11-29 1991-12-24 U.S. Philips Corporation Discharge lamp control circuit arrangement
DE4015397A1 (de) * 1990-05-14 1991-11-21 Hella Kg Hueck & Co Schaltungsanordnung zum zuenden und betreiben einer hochdruckgasentladungslampe in kraftfahrzeugen

Also Published As

Publication number Publication date
HU212521B (en) 1996-07-29
HU913330D0 (en) 1992-01-28
EP0482705A2 (en) 1992-04-29
DE69116081T2 (de) 1996-08-08
HUT59524A (en) 1992-05-28
FI914970A (fi) 1992-04-26
EP0482705A3 (en) 1992-11-19
KR920008893A (ko) 1992-05-28
ATE132686T1 (de) 1996-01-15
JPH04264397A (ja) 1992-09-21
EP0482705B1 (en) 1996-01-03
US5198726A (en) 1993-03-30
DE69116081D1 (de) 1996-02-15

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: PHILIPS ELECTRONICS N.V.