IE792212L - Gas discharge lamp - Google Patents

Gas discharge lamp

Info

Publication number
IE792212L
IE792212L IE792212A IE221279A IE792212L IE 792212 L IE792212 L IE 792212L IE 792212 A IE792212 A IE 792212A IE 221279 A IE221279 A IE 221279A IE 792212 L IE792212 L IE 792212L
Authority
IE
Ireland
Prior art keywords
lamp
capacitor
gas discharge
discharge lamp
assigned
Prior art date
Application number
IE792212A
Other versions
IE49213B1 (en
Original Assignee
Pracdes Pty
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 Pracdes Pty filed Critical Pracdes Pty
Publication of IE792212L publication Critical patent/IE792212L/en
Publication of IE49213B1 publication Critical patent/IE49213B1/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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

A ballast circuit for a gas discharge lamp (L) which comprises a series resistance (R1) and a series capacitor (C1), the capacitor serving to store a charge provided by a starter circuit (D1, R1) to attain a starting voltage for the lamp, the capacitor also being assigned to determine the mean operating current for the lamp and its capacitance being selected to barely supply adequate operating current for predetermined lamp illumination, and the resistor being assigned to limit peak currents through said lamp and being of a resistance barely adequate to avoid excessive peak current through said lamp. [EP0011508A1]
IE2212/79A 1978-11-20 1979-11-19 A method for determining the values of components for a control circuit for a gas discharge lamp IE49213B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPD683778 1978-11-20
AUPD953979 1979-07-11

Publications (2)

Publication Number Publication Date
IE792212L true IE792212L (en) 1980-05-20
IE49213B1 IE49213B1 (en) 1985-08-21

Family

ID=25642269

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2212/79A IE49213B1 (en) 1978-11-20 1979-11-19 A method for determining the values of components for a control circuit for a gas discharge lamp

Country Status (11)

Country Link
EP (1) EP0011508B1 (en)
JP (1) JPS55105993A (en)
DE (1) DE2967166D1 (en)
FI (1) FI793608A (en)
HU (1) HU182982B (en)
IE (1) IE49213B1 (en)
IN (1) IN153361B (en)
NO (1) NO793708L (en)
NZ (1) NZ192162A (en)
PT (1) PT70469A (en)
ZA (1) ZA796163B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626745A (en) * 1983-04-26 1986-12-02 General Electric Company Ballast circuit for lamps with low voltage gas discharge tubes
GB2139022A (en) * 1983-04-26 1984-10-31 Gen Electric Ballast circuit for lamps with low voltage gas discharge tubes
DE3603084A1 (en) * 1986-02-01 1987-08-06 Korte Licht Circuit for operating a fluorescent lamp
JP2693066B2 (en) * 1991-11-07 1997-12-17 三洋電機株式会社 Discharge starter for cold cathode discharge tube
US5825139A (en) * 1995-11-02 1998-10-20 Hubbell Incorporated Lamp driven voltage transformation and ballasting system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR958142A (en) * 1950-03-03
FR963793A (en) * 1950-07-20
US2297257A (en) * 1937-11-25 1942-09-29 Seitz Ernst Otto Alternating current discharge lamp
CH492378A (en) * 1966-02-01 1970-06-15 Gen Electric Electric discharge lamp
FR1557851A (en) * 1968-01-02 1969-02-21
DE2321063A1 (en) * 1973-04-26 1974-11-14 Walz Alfred AC OPERATING CIRCUIT FOR GAS DISCHARGE LAMPS, PREFERABLY WITH CONSTANT CURRENT BEHAVIOR AND IGNITION VOLTAGE GENERATION BY A LOW-PERFORMANCE RECTIFIER CIRCUIT
GB1528910A (en) * 1974-12-11 1978-10-18 Thorn Electrical Ind Ltd Discharge lamp ballast circuits

Also Published As

Publication number Publication date
PT70469A (en) 1979-12-01
EP0011508A1 (en) 1980-05-28
ZA796163B (en) 1980-10-29
IE49213B1 (en) 1985-08-21
NZ192162A (en) 1983-02-15
EP0011508B1 (en) 1984-08-08
DE2967166D1 (en) 1984-09-13
NO793708L (en) 1980-05-21
FI793608A (en) 1980-05-21
HU182982B (en) 1984-03-28
IN153361B (en) 1984-07-07
JPS55105993A (en) 1980-08-14

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