METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Nov 12, 2010
filing date -
Jun 22, 2010
priority date (Note) -
Abandoned
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Abstract
A method, an apparatus and a system for controlling a light source are disclosed. The method comprises: receiving a dimming command, determining the dimming item specified by the dimming command (201); determining the corresponding chopping type and/or the range of the chopping phase angle according to the dimming item (202); and controlling the regulation switch according to the determined chopping type and/or the range of the chopping phase angle in order to output the voltage containing a chopping voltage (203). The method, the apparatus and the system can achieve the regulation functions for the light source color and/or the luminance etc.
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