WO2008088383A8 - Methods and apparatus for simulating resistive loads - Google Patents

Methods and apparatus for simulating resistive loads Download PDF

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Publication number
WO2008088383A8
WO2008088383A8 PCT/US2007/017715 US2007017715W WO2008088383A8 WO 2008088383 A8 WO2008088383 A8 WO 2008088383A8 US 2007017715 W US2007017715 W US 2007017715W WO 2008088383 A8 WO2008088383 A8 WO 2008088383A8
Authority
WO
WIPO (PCT)
Prior art keywords
loads
voltage
altered
methods
current
Prior art date
Application number
PCT/US2007/017715
Other languages
French (fr)
Other versions
WO2008088383A1 (en
Inventor
Ihor A. Lys
Original Assignee
Color Kinetics Incorporated
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 Color Kinetics Incorporated filed Critical Color Kinetics Incorporated
Priority to ES07836669T priority Critical patent/ES2436283T3/en
Priority to EP07836669.7A priority patent/EP2119318B1/en
Priority to JP2009544826A priority patent/JP5135354B2/en
Priority to RU2009129947/07A priority patent/RU2476040C2/en
Priority to KR1020097016344A priority patent/KR101524013B1/en
Priority to CN2007800493083A priority patent/CN101653041B/en
Publication of WO2008088383A1 publication Critical patent/WO2008088383A1/en
Publication of WO2008088383A8 publication Critical patent/WO2008088383A8/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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources

Abstract

Methods and apparatus for simulating resistive loads, and facilitating series, parallel and/or series-parallel connections of multiple loads to draw operating power. Current-to- voltage characteristics of loads are altered in a predetermined manner so as to facilitate a predictable and/or desirable behavior of multiple loads drawing power from a power source Exemplary loads include LED-based light sources and LED-based lighting units. Altered current-to-voltage characteristics may cause a load to appear as a substantially linear or resistive element to the power source, at least over some operating range. In connections o multiple such loads, the voltage across each load is relatively more predictable. In one example, a series connection of multiple loads with altered current-to-voltage characteristic may be operated from a line voltage without requiring a transformer.
PCT/US2007/017715 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads WO2008088383A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES07836669T ES2436283T3 (en) 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads
EP07836669.7A EP2119318B1 (en) 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads
JP2009544826A JP5135354B2 (en) 2007-01-05 2007-08-09 Method and apparatus for simulating a resistive load
RU2009129947/07A RU2476040C2 (en) 2007-01-05 2007-08-09 Methods and apparatus for resistive loads imitation
KR1020097016344A KR101524013B1 (en) 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads
CN2007800493083A CN101653041B (en) 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88362607P 2007-01-05 2007-01-05
US60/883,626 2007-01-05

Publications (2)

Publication Number Publication Date
WO2008088383A1 WO2008088383A1 (en) 2008-07-24
WO2008088383A8 true WO2008088383A8 (en) 2009-10-15

Family

ID=39327288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/017715 WO2008088383A1 (en) 2007-01-05 2007-08-09 Methods and apparatus for simulating resistive loads

Country Status (8)

Country Link
US (3) US8134303B2 (en)
EP (1) EP2119318B1 (en)
JP (1) JP5135354B2 (en)
KR (1) KR101524013B1 (en)
CN (1) CN101653041B (en)
ES (1) ES2436283T3 (en)
RU (1) RU2476040C2 (en)
WO (1) WO2008088383A1 (en)

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US8026673B2 (en) 2011-09-27
KR101524013B1 (en) 2015-05-29

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