Filterless chromatically variable light source
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 3, 1997
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Dec 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chromatically variable light source includes a plurality of light emitting diodes which generate substantially monochromatic light at different wavelengths. The light source includes circuitry for selectively energizing one or more of the light emitting diodes and for controlling the intensity of the generated light. The light generated by the light emitting diodes is combined in a single light pipe and delivered to an output port for use.
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