GB8416134D0 - Output current controller - Google Patents

Output current controller

Info

Publication number
GB8416134D0
GB8416134D0 GB848416134A GB8416134A GB8416134D0 GB 8416134 D0 GB8416134 D0 GB 8416134D0 GB 848416134 A GB848416134 A GB 848416134A GB 8416134 A GB8416134 A GB 8416134A GB 8416134 D0 GB8416134 D0 GB 8416134D0
Authority
GB
United Kingdom
Prior art keywords
output current
current controller
controller
output
current
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.)
Withdrawn
Application number
GB848416134A
Other versions
GB2153606A (en
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.)
Hope R C
Original Assignee
Hope R C
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 Hope R C filed Critical Hope R C
Publication of GB8416134D0 publication Critical patent/GB8416134D0/en
Publication of GB2153606A publication Critical patent/GB2153606A/en
Withdrawn legal-status Critical Current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
    • 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
    • H05B41/02—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
GB08416134A 1984-01-26 1984-06-25 Output current controller for fluorescent lamp ballast Withdrawn GB2153606A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB8416134D0 true GB8416134D0 (en) 1984-08-01
GB2153606A GB2153606A (en) 1985-08-21

Family

ID=24296824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08416134A Withdrawn GB2153606A (en) 1984-01-26 1984-06-25 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
JPS60163398A (en) 1985-08-26
EP0150585A1 (en) 1985-08-07
ZA85545B (en) 1985-08-28
GB2153606A (en) 1985-08-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)