Driver circuit of light sources and vehicle light provided with said driver circuit of light sources
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United States of America Patent
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Mar 15, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 19, 2013
filing date -
Dec 27, 2012
priority date (Note) -
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Abstract
Driver circuit of light sources, particularly of the LED type, comprising a first and at least a second group of light sources, each connected to a common power supply terminal, a first and at least a second regulation circuit, each suitable for regulating the current absorbed by a respective group of light sources, at least one actuation circuit operatively connected to a respective second regulation circuit, and a serial connection circuit, suitable for connecting in series at least a first and a second group of light sources, when the voltage downstream of the first group of light sources is greater than or equal to the voltage upstream of the second group of light sources.
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