Method and apparatus for sensing current and voltage in circuits with voltage across an LED
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United States of America Patent
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Sep 21, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jul 3, 2002
filing date -
Jul 20, 2001
priority date (Note) -
Expired
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Abstract
Methods and apparatuses to sense current and voltage in circuits with voltage drop. A sense circuit includes a series combination of a diode and a resistor in the path of the current to be sensed, the voltage across this series combination coupled to drive a light emitting diode (LED).
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