DK89388D0 - Elektronisk ballast - Google Patents

Elektronisk ballast

Info

Publication number
DK89388D0
DK89388D0 DK089388A DK89388A DK89388D0 DK 89388 D0 DK89388 D0 DK 89388D0 DK 089388 A DK089388 A DK 089388A DK 89388 A DK89388 A DK 89388A DK 89388 D0 DK89388 D0 DK 89388D0
Authority
DK
Denmark
Prior art keywords
power
pct
inductor
discharge lamp
gas discharge
Prior art date
Application number
DK089388A
Other languages
English (en)
Inventor
Kaj Jensen
Original Assignee
Silver Gruppen Prod As
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 Silver Gruppen Prod As filed Critical Silver Gruppen Prod As
Priority to DK089388A priority Critical patent/DK89388D0/da
Publication of DK89388D0 publication Critical patent/DK89388D0/da
Priority to PCT/DK1989/000036 priority patent/WO1989007877A1/en
Priority to DE68919214T priority patent/DE68919214T2/de
Priority to US07/555,470 priority patent/US5051666A/en
Priority to EP89903120A priority patent/EP0401278B1/en
Priority to AT89903120T priority patent/ATE113784T1/de
Priority to AU40314/89A priority patent/AU4031489A/en
Priority to DK197390A priority patent/DK167992B1/da

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
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
    • 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
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Glass Compositions (AREA)
  • Furan Compounds (AREA)
DK089388A 1988-02-19 1988-02-19 Elektronisk ballast DK89388D0 (da)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DK089388A DK89388D0 (da) 1988-02-19 1988-02-19 Elektronisk ballast
PCT/DK1989/000036 WO1989007877A1 (en) 1988-02-19 1989-02-17 A circuit for starting and operating a gas discharge lamp
DE68919214T DE68919214T2 (de) 1988-02-19 1989-02-17 Start- und betriebsschaltung einer gasentladelampe.
US07/555,470 US5051666A (en) 1988-02-19 1989-02-17 Circuit for starting and operating a gas discharge lamp
EP89903120A EP0401278B1 (en) 1988-02-19 1989-02-17 A circuit for starting and operating a gas discharge lamp
AT89903120T ATE113784T1 (de) 1988-02-19 1989-02-17 Start- und betriebsschaltung einer gasentladelampe.
AU40314/89A AU4031489A (en) 1988-02-19 1989-02-17 A circuit for starting and operating a gas discharge lamp
DK197390A DK167992B1 (da) 1988-02-19 1990-08-17 Kredsloeb til taending og drift af en gasudladningslampe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK089388A DK89388D0 (da) 1988-02-19 1988-02-19 Elektronisk ballast

Publications (1)

Publication Number Publication Date
DK89388D0 true DK89388D0 (da) 1988-02-19

Family

ID=8098728

Family Applications (1)

Application Number Title Priority Date Filing Date
DK089388A DK89388D0 (da) 1988-02-19 1988-02-19 Elektronisk ballast

Country Status (7)

Country Link
US (1) US5051666A (da)
EP (1) EP0401278B1 (da)
AT (1) ATE113784T1 (da)
AU (1) AU4031489A (da)
DE (1) DE68919214T2 (da)
DK (1) DK89388D0 (da)
WO (1) WO1989007877A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4102069A1 (de) * 1991-01-24 1992-07-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer entladungslampe
US5479065A (en) * 1992-12-28 1995-12-26 Toshiba Lighting & Technology Corporation Metal halide discharge lamp suitable for an optical light source having a bromine to halogen ratio of 60-90%, a wall load substantially greater than 40 W/cm2, and a D.C. potential between the anode and cathode
US5581161A (en) * 1994-07-13 1996-12-03 Gong; Mingfu DC coupled electronic ballast with a larger DC and smaller AC signal
US5530321A (en) * 1995-02-21 1996-06-25 Sears; Lawrence M. Power supply for a gas discharge lamp
WO1996028302A1 (en) * 1995-03-15 1996-09-19 Mathiesen, Neils, Lang A method for activating photoinitiators in photosensitive substrates and an apparatus for curing such substrates
US5814938A (en) * 1996-08-05 1998-09-29 Transfotec International Cold cathode tube power supply
DE19838830A1 (de) * 1998-08-26 2000-03-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verbesserte Anlaufschaltung für Niederdruck-Entladungslampe
JP4127600B2 (ja) * 2001-03-08 2008-07-30 株式会社東芝 送信電力検出装置および送信装置
JP4079752B2 (ja) * 2002-11-08 2008-04-23 沖電気工業株式会社 加入者回路
US20070076386A1 (en) * 2005-08-22 2007-04-05 Thin-Lite Corporation Optimized light fixture circuit board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890537A (en) * 1974-01-02 1975-06-17 Gen Electric Solid state chopper ballast for gaseous discharge lamps
HU181323B (en) * 1981-05-08 1983-07-28 Egyesuelt Izzolampa High-frequency system of additional resistor for electric discharge lamp
DE3137940C2 (de) * 1981-09-24 1985-08-29 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Elektronisches Vorschaltgerät für mindestens eine Leuchtstofflampe
GB2126810A (en) * 1982-09-06 1984-03-28 David John Martin Electronic drive circuit for discharge lamps
DE3524266A1 (de) * 1985-07-06 1987-01-08 Philips Patentverwaltung Schaltungsanordnung zum betrieb von hochdruckgasentladungslampen
US4928038A (en) * 1988-09-26 1990-05-22 General Electric Company Power control circuit for discharge lamp and method of operating same

Also Published As

Publication number Publication date
EP0401278A1 (en) 1990-12-12
DE68919214T2 (de) 1995-06-08
AU4031489A (en) 1989-09-06
EP0401278B1 (en) 1994-11-02
US5051666A (en) 1991-09-24
WO1989007877A1 (en) 1989-08-24
DE68919214D1 (de) 1994-12-08
ATE113784T1 (de) 1994-11-15

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment