WO2008023341A3 - Automatic dimming range recognition method - Google Patents

Automatic dimming range recognition method Download PDF

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Publication number
WO2008023341A3
WO2008023341A3 PCT/IB2007/053358 IB2007053358W WO2008023341A3 WO 2008023341 A3 WO2008023341 A3 WO 2008023341A3 IB 2007053358 W IB2007053358 W IB 2007053358W WO 2008023341 A3 WO2008023341 A3 WO 2008023341A3
Authority
WO
WIPO (PCT)
Prior art keywords
control signal
recognition method
dimming range
automatic dimming
range recognition
Prior art date
Application number
PCT/IB2007/053358
Other languages
French (fr)
Other versions
WO2008023341A2 (en
Inventor
Mingliang Wu
George Grouev
Original Assignee
Koninkl Philips Electronics Nv
Mingliang Wu
George Grouev
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 Koninkl Philips Electronics Nv, Mingliang Wu, George Grouev filed Critical Koninkl Philips Electronics Nv
Priority to EP07826095A priority Critical patent/EP2103196A2/en
Priority to JP2009525164A priority patent/JP2010501978A/en
Publication of WO2008023341A2 publication Critical patent/WO2008023341A2/en
Publication of WO2008023341A3 publication Critical patent/WO2008023341A3/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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac

Abstract

An automatic dimming range recognition method for an electronic ballast including reading a control signal 802; determining whether the control signal is greater than control signal max 804; setting the control signal max to the control signal when the control signal is greater than the control signal max 806; determining whether the control signal is less than control signal min 808; setting the control signal min to the control signal when the control signal is less than control signal min 810; and calculating an output light level that corresponds to the control signal 812.
PCT/IB2007/053358 2006-08-22 2007-08-22 Automatic dimming range recognition method WO2008023341A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07826095A EP2103196A2 (en) 2006-08-22 2007-08-22 Automatic dimming range recognition method
JP2009525164A JP2010501978A (en) 2006-08-22 2007-08-22 Automatic dimming range recognition method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82315006P 2006-08-22 2006-08-22
US60/823,150 2006-08-22

Publications (2)

Publication Number Publication Date
WO2008023341A2 WO2008023341A2 (en) 2008-02-28
WO2008023341A3 true WO2008023341A3 (en) 2008-05-15

Family

ID=39083217

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/053358 WO2008023341A2 (en) 2006-08-22 2007-08-22 Automatic dimming range recognition method

Country Status (4)

Country Link
EP (1) EP2103196A2 (en)
JP (1) JP2010501978A (en)
CN (1) CN101507368A (en)
WO (1) WO2008023341A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009149556A1 (en) 2008-06-13 2009-12-17 Queen's University At Kingston Dimmable single stage electronic ballast with high power factor
WO2011020199A1 (en) * 2009-08-21 2011-02-24 Queen's University At Kingston Electronic ballast with high power factor
EP2502465B1 (en) 2009-11-19 2014-02-26 Koninklijke Philips N.V. Method and apparatus for detecting dimmer phase angle and selectively determining universal input voltage for solid state lighting fixtures
JP5829676B2 (en) * 2010-04-27 2015-12-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Method and apparatus for adjusting the light output range of a semiconductor lighting load based on maximum and minimum dimmer settings
WO2012109758A1 (en) * 2011-02-18 2012-08-23 Light-Based Technologies Incorporated Device and method for operating an illumination device
EP2701461A1 (en) * 2012-08-24 2014-02-26 Dialog Semiconductor GmbH Solid state lightening driver with mixed control of power switch
KR20140079041A (en) 2012-12-18 2014-06-26 삼성전기주식회사 Light driving apparatus and driving method thereof
KR102003231B1 (en) * 2016-01-28 2019-10-01 주식회사 솔루엠 Light driving apparatus and driving method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229271B1 (en) * 2000-02-24 2001-05-08 Osram Sylvania Inc. Low distortion line dimmer and dimming ballast
EP1128711A2 (en) * 2000-02-25 2001-08-29 Osram Sylvania Inc. Dual control dimming ballast
EP1168893A1 (en) * 2000-06-28 2002-01-02 Matsushita Electric Industrial Co., Ltd. Ballast for discharge lamp
US20040100205A1 (en) * 2002-09-12 2004-05-27 Kenichirou Takahashi Electrode-less discharge lamp lighting apparatus, bulb-shaped electrode-less fluorescent lamp, and discharge lamp lighting apparatus
EP1435764A1 (en) * 2002-06-07 2004-07-07 Matsushita Electric Industrial Co., Ltd. Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device
WO2006120641A2 (en) * 2005-05-10 2006-11-16 Koninklijke Philips Electronics N.V. Universal line voltage dimming method and system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229271B1 (en) * 2000-02-24 2001-05-08 Osram Sylvania Inc. Low distortion line dimmer and dimming ballast
EP1128711A2 (en) * 2000-02-25 2001-08-29 Osram Sylvania Inc. Dual control dimming ballast
EP1168893A1 (en) * 2000-06-28 2002-01-02 Matsushita Electric Industrial Co., Ltd. Ballast for discharge lamp
EP1435764A1 (en) * 2002-06-07 2004-07-07 Matsushita Electric Industrial Co., Ltd. Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device
US20040100205A1 (en) * 2002-09-12 2004-05-27 Kenichirou Takahashi Electrode-less discharge lamp lighting apparatus, bulb-shaped electrode-less fluorescent lamp, and discharge lamp lighting apparatus
WO2006120641A2 (en) * 2005-05-10 2006-11-16 Koninklijke Philips Electronics N.V. Universal line voltage dimming method and system

Also Published As

Publication number Publication date
EP2103196A2 (en) 2009-09-23
CN101507368A (en) 2009-08-12
JP2010501978A (en) 2010-01-21
WO2008023341A2 (en) 2008-02-28

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