METHOD AND DEVICE FOR MEASURING A LEVEL OF AN ELECTRIC MEASUREMENT VARIABLE THAT CAN BE CHANGED OVER TIME
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United States of America Patent
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Issued Date -
Jul 29, 2010
app pub date -
Apr 7, 2008
filing date -
Apr 13, 2007
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Abandoned
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Abstract
A method measures a level of an electric measurement variable that can be changed over time, particularly an electric voltage or an electric current. A measurement signal of the measurement variable is differentiated and a current amplitude value of the differentiated measurement variable is determined. Through the iterative approximation of a comparison value to the current amplitude value a level value of the measurement variable is determined.
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