AU2003236889A1 - Lamp ballast with series switchable inductor - Google Patents

Lamp ballast with series switchable inductor

Info

Publication number
AU2003236889A1
AU2003236889A1 AU2003236889A AU2003236889A AU2003236889A1 AU 2003236889 A1 AU2003236889 A1 AU 2003236889A1 AU 2003236889 A AU2003236889 A AU 2003236889A AU 2003236889 A AU2003236889 A AU 2003236889A AU 2003236889 A1 AU2003236889 A1 AU 2003236889A1
Authority
AU
Australia
Prior art keywords
lamp ballast
switchable inductor
series switchable
series
inductor
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.)
Abandoned
Application number
AU2003236889A
Inventor
Lawrence Samuel Tyson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2003236889A1 publication Critical patent/AU2003236889A1/en
Abandoned 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
AU2003236889A 2002-05-23 2003-05-23 Lamp ballast with series switchable inductor Abandoned AU2003236889A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0211942.8 2002-05-23
GB0211942A GB2388973A (en) 2002-05-23 2002-05-23 Dimmable control means for discharge lamp
PCT/GB2003/002259 WO2003101159A1 (en) 2002-05-23 2003-05-23 Lamp ballast with series switchable inductor

Publications (1)

Publication Number Publication Date
AU2003236889A1 true AU2003236889A1 (en) 2003-12-12

Family

ID=9937317

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003236889A Abandoned AU2003236889A1 (en) 2002-05-23 2003-05-23 Lamp ballast with series switchable inductor

Country Status (3)

Country Link
AU (1) AU2003236889A1 (en)
GB (1) GB2388973A (en)
WO (1) WO2003101159A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7982402B2 (en) * 2008-09-12 2011-07-19 Osram Sylvania Inc. Integrated igniter base for ceramic metal halide light source
ITRN20090034A1 (en) * 2009-07-21 2009-10-20 Umpi R E D Srl DEVICE FOR ADJUSTING THE BRIGHTNESS OF DISCHARGE LAMPS
US8917036B1 (en) * 2013-08-20 2014-12-23 General Electric Company Method and apparatus for dimming high intensity discharge lamps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145234A1 (en) * 1981-11-13 1983-07-21 České vysoké učení technické v Praze, Praha Ballast circuit for operating discharge lamp sources
DE3331780A1 (en) * 1983-09-02 1985-03-21 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR IGNITING AND OPERATING A DISCHARGE LAMP
JPH031498A (en) * 1989-05-29 1991-01-08 Tokyo Electric Co Ltd Discharge lamp lighting device
JP3224948B2 (en) * 1994-08-30 2001-11-05 株式会社小糸製作所 Lighting circuit of discharge lamp
JPH10225128A (en) * 1997-02-10 1998-08-21 Tec Corp Power supply device

Also Published As

Publication number Publication date
GB2388973A (en) 2003-11-26
GB0211942D0 (en) 2002-07-03
WO2003101159A1 (en) 2003-12-04

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase