Obscured feature detector with width indication
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United States of America Patent
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Sep 16, 2014
Grant Date -
Sep 8, 2011
app pub date -
Mar 3, 2011
filing date -
Mar 4, 2010
priority date (Note) -
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Abstract
A surface-conforming obscured feature detector includes a plurality of sensor plates, each having a capacitance that varies based on the dielectric constant of the materials that compose the surrounding objects and the proximity of those objects. A sensing circuit is coupled to the sensor plates 32 to measure the capacitances of the sensor plates. A controller is coupled to the sensing circuit to analyze the capacitances measured by the sensing circuit. One or a plurality of indicators are coupled to the controller, and are selectively activated to identify the location of an obscured feature behind a surface.
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