Methods and apparatus for conveying information via color of light
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United States of America Patent
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Jan 5, 2010
Grant Date -
Aug 28, 2008
app pub date -
Dec 18, 2007
filing date -
Apr 24, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus for conveying information. One or more information signals representing scalar or numeric information that is not associated with color is/are received from a data base, a network, the World Wide Web, or a software program. The information signal(s) is/are converted into one or more illumination control signals representing at least color information, and a color of illumination generated by one or more LED-based light sources is controlled in response to the illumination control signal(s) so as to convey the scalar or numeric information via at least the color of the generated illumination.
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