LIGHT SOURCE CONTROLLERS
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Jun 13, 2014
filing date -
Jun 13, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A controller includes current setting circuitry and voltage regulation circuitry. The current setting circuitry can selectively operate in different states that include a strobe state and an idle state. The current setting circuitry sets a current of a light source to a first current level in the strobe state such that the light source emits light, and sets the current to a second current level that is less than the first current level in the idle state such that the light source disables emission of light. The voltage regulation circuitry regulates an output voltage that powers the light source to be in a voltage range with the current at the first current level in the strobe state such that the light source emits light, and maintains the output voltage at a voltage level in the voltage range in the idle state.
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