METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE
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United States of America Patent
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Issued Date -
Sep 19, 2013
app pub date -
Aug 23, 2011
filing date -
Oct 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Provided are a method, apparatus and system for controlling a light source. The method comprises: acquiring an adjustment signal and determining a dimming item according to the adjustment signal; the dimming item being composed of the value and/or value range of at least one characteristics parameter of a pulse drive signal; converting the adjustment signal into the pulse drive signal indicated by the dimming item; controlling an adjustment switch by means of the pulse drive signal, so as to output a voltage including a chopped wave voltage corresponding to the dimming item, thereby transmitting adjustment information about the colour and/or brightness of the light source by means of the voltage including the chopped wave voltage. The method, apparatus and system can achieve the function of adjusting the colour and/or brightness of the light source.
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