ELECTRONIC POWER DEVICE FOR A LIGHT EMITTING DIODE
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Feb 5, 2015
filing date -
Feb 13, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The electronic device arranged to periodically power a light emitting diode is intended to be arranged between the light emitting diode and a battery forming an electrical power source, and includes a boost type voltage converter and an electrical energy storage capacitor, arranged downstream of the voltage converter parallel to the diode, a current source and a switch controlled by a control unit of the electronic device. The current source and the switch are arranged in series between said storage capacitor and a lower voltage terminal on the electrical path provided for powering the light emitting diode. The current source is arranged to impose, when actuated, a constant current corresponding to the operating current provided for the diode.
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