Method for sensing an electric field
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United States of America Patent
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Aug 7, 2007
Grant Date -
Jun 29, 2006
app pub date -
Sep 13, 2005
filing date -
Dec 23, 2004
priority date (Note) -
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Abstract
A method for sensing an electric field includes processing digitized electric field signals, e.g., from an electric field sensing probe. The processing may include performing a Fast Fourier Transform of the digitized electric field signals to provide an indication of the magnitude of the electric field, and may include processing the digitized electric field signals at a rate that is related to the speed at which a movable sensing probe is moving. The method may include performing unweighted and/or weighted averaging in relation to processing electric field data, setting a comparison threshold, providing a human perceivable indication, or a combination of the foregoing.
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