Light emitting diode (LED) control

Details Light emitting diode (LED) control Light emitting diode (LED) control

2005-09-13

2011-11-22

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S169300, C315S307000

Reexamination Certificate

active

08063576

ABSTRACT:
Apparatus and a method are disclosed for providing illumination from at least one light emitting diode lighting fixture. Each lighting fixture includes a respective LED array and the method includes the steps of determining at least one parameter associated with the LED array and supplying drive signals to light LEDs in the LED array responsive to the parameter thereby providing illumination having a desired characteristic from said lighting fixture.

REFERENCES:
patent: 6473065 (2002-10-01), Fan
patent: 7161556 (2007-01-01), Morgan et al.
patent: 2004/0105261 (2004-06-01), Ducharme et al.
patent: 2004/0135524 (2004-07-01), Gunter et al.
patent: 2006/0220571 (2006-10-01), Howell et al.
International Preliminary Report on Patentability and Written Opinion of the International Searching Authority, mailed Mar. 29, 2007, for corresponding International Application No. PCT/GB2005/003519.

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