Systems and methods for controlling an output of a light fixture
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United States of America Patent
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Nov 26, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jan 12, 2011
filing date -
Jan 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for controlling an output of a light fixture. A light fixture of one construction includes four or more light sources and is configured to produce an output that mimics the color temperature changes of an ideal black-body radiator based on one or more input parameters. The input parameters correspond to, for example, a desired target color and an intensity for the desired target color. A white point setting is determined based on the one or more input parameters and a relationship between the one or more input parameters and the color temperature of an ideal black-body radiator. A color temperature transform is selected based on the white point color temperature setting, and is used to determine a color coordinate corresponding to a modified target color. A set of light source output values corresponding to the modified target color are identified, and the light sources are driven to the identified output values.
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Cited Art Landscape
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