ZA85545B - Output current controller for fluorescent lamp ballast - Google Patents

Output current controller for fluorescent lamp ballast

Info

Publication number
ZA85545B
ZA85545B ZA85545A ZA85545A ZA85545B ZA 85545 B ZA85545 B ZA 85545B ZA 85545 A ZA85545 A ZA 85545A ZA 85545 A ZA85545 A ZA 85545A ZA 85545 B ZA85545 B ZA 85545B
Authority
ZA
South Africa
Prior art keywords
output current
fluorescent lamp
current controller
lamp ballast
ballast
Prior art date
Application number
ZA85545A
Inventor
Rodney Cairn Hope
Original Assignee
Rodney Cairn Hope
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 Rodney Cairn Hope filed Critical Rodney Cairn Hope
Publication of ZA85545B publication Critical patent/ZA85545B/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
    • H05B41/14—Circuit arrangements
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
    • 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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
ZA85545A 1984-01-26 1985-01-23 Output current controller for fluorescent lamp ballast ZA85545B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57460284A 1984-01-26 1984-01-26

Publications (1)

Publication Number Publication Date
ZA85545B true ZA85545B (en) 1985-08-28

Family

ID=24296824

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA85545A ZA85545B (en) 1984-01-26 1985-01-23 Output current controller for fluorescent lamp ballast

Country Status (5)

Country Link
EP (1) EP0150585A1 (en)
JP (1) JPS60163398A (en)
KR (1) KR850006294A (en)
GB (1) GB2153606A (en)
ZA (1) ZA85545B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906899A (en) * 1986-10-16 1990-03-06 Hope Rodney C Fluorescent lamp regulating system
US5187411A (en) * 1989-09-01 1993-02-16 Systems And Service International, Inc. Discharge lamp life and lamp lumen life-extender module, circuitry, and methodology
MX9102104A (en) * 1990-12-19 1992-06-01 Philips Nv ADAPTATION TO DISCONNECT THE ELECTRODE OF A FLUORESCENT LAMP

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4967472A (en) * 1972-10-31 1974-06-29
US3866087A (en) * 1973-03-20 1975-02-11 Gen Electric Ballast circuit with integral time delay relay
US3921032A (en) * 1973-11-02 1975-11-18 Gen Electric Thermal regulator ballast
US3954316A (en) * 1975-01-08 1976-05-04 Litton Systems, Inc. Electrical apparatus and method for reducing power consumption of a fluorescent lamp system
US4082981A (en) * 1977-02-28 1978-04-04 Westinghouse Electric Corporation Energy saving device for a standard fluorescent lamp system
JPS5782100U (en) * 1980-11-07 1982-05-20
DE3100177A1 (en) * 1981-01-07 1982-08-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Circuit arrangement for igniting and operating a low-pressure discharge lamp from a direct current source

Also Published As

Publication number Publication date
KR850006294A (en) 1985-10-02
GB2153606A (en) 1985-08-21
JPS60163398A (en) 1985-08-26
GB8416134D0 (en) 1984-08-01
EP0150585A1 (en) 1985-08-07

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