AU5227673A - Ballast circuits for discharge lamps - Google Patents

Ballast circuits for discharge lamps

Info

Publication number
AU5227673A
AU5227673A AU52276/73A AU5227673A AU5227673A AU 5227673 A AU5227673 A AU 5227673A AU 52276/73 A AU52276/73 A AU 52276/73A AU 5227673 A AU5227673 A AU 5227673A AU 5227673 A AU5227673 A AU 5227673A
Authority
AU
Australia
Prior art keywords
discharge lamps
ballast circuits
ballast
circuits
lamps
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.)
Expired
Application number
AU52276/73A
Inventor
Peter Colin Major
Kenneth Whittier Ogden
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.)
Thorn Electrical Industries Ltd
Original Assignee
Thorn Electrical Industries Ltd
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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of AU5227673A publication Critical patent/AU5227673A/en
Expired 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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • 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
    • Y10S315/05—Starting and operating circuit for fluorescent lamp
AU52276/73A 1972-02-16 1973-02-16 Ballast circuits for discharge lamps Expired AU5227673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB725772A GB1387842A (en) 1972-02-16 1972-02-16 Ballast circuits for discharge lamps

Publications (1)

Publication Number Publication Date
AU5227673A true AU5227673A (en) 1974-08-22

Family

ID=9829649

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52276/73A Expired AU5227673A (en) 1972-02-16 1973-02-16 Ballast circuits for discharge lamps

Country Status (7)

Country Link
US (1) US3857063A (en)
AU (1) AU5227673A (en)
DE (1) DE2307416A1 (en)
GB (1) GB1387842A (en)
IN (1) IN137730B (en)
NL (1) NL7302136A (en)
ZA (1) ZA731022B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394603A (en) * 1978-09-26 1983-07-19 Controlled Environment Systems Inc. Energy conserving automatic light output system
US4260932A (en) * 1978-10-12 1981-04-07 Vance Johnson Method and circuit for facilitating the starting and steady state flickerless operation of a discharge lamp
FR2454246A1 (en) * 1979-04-12 1980-11-07 Gen Electric Ignition circuit for high pressure arc discharge lamp - has voltage doubler and oscillating inverter with transformer fed by pulse with capacitor and diode in secondary circuit
JPS5782100U (en) * 1980-11-07 1982-05-20
EP0091432A1 (en) * 1981-10-13 1983-10-19 Lights Of America, Inc. Circuit for starting and operating discharge lamps
US4463285A (en) * 1982-03-08 1984-07-31 Nilssen Ole K DC Ballasting means for fluorescent lamps
JPS59154736A (en) * 1983-02-21 1984-09-03 Hitachi Ltd Low pressure mercury vapor discharge lamp
HU191319B (en) * 1985-03-11 1987-02-27 Sebestyen,Laszlo,Hu Method and circuit arrangement for firing light sources of high firing voltage
DE3614708A1 (en) * 1986-04-30 1987-11-19 Schmidt Michael CONTROL CIRCUIT FOR AN ARC LAMP
US4929871A (en) * 1986-06-16 1990-05-29 Gerfast Sten R Transformerless current-limiting circuit
US5284327A (en) * 1992-04-29 1994-02-08 Aluminum Company Of America Extrusion quenching apparatus and related method
JP2008211946A (en) * 2007-02-28 2008-09-11 Sanden Corp Power conversion apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892126A (en) * 1956-12-26 1959-06-23 Gen Electric Starting and operating circuit for arc discharge device
US3170084A (en) * 1961-11-03 1965-02-16 Westinghouse Electric Corp Lamp starting and operating circuit
US3354379A (en) * 1966-01-26 1967-11-21 Gen Electric Rectifier circuit with voltage multiplication
US3676735A (en) * 1969-09-25 1972-07-11 Sylvania Electric Prod Resonator ballast for arc discharge lamps
US3679934A (en) * 1970-02-05 1972-07-25 Hewlett Packard Co Automatic restarting laser power supply
US3758815A (en) * 1972-01-04 1973-09-11 Gte Sylvania Inc Supplemental energy storage circuit for arc discharge lamps

Also Published As

Publication number Publication date
ZA731022B (en) 1973-11-28
NL7302136A (en) 1973-08-20
DE2307416A1 (en) 1973-08-23
US3857063A (en) 1974-12-24
GB1387842A (en) 1975-03-19
IN137730B (en) 1975-09-13

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