Measuring device and method for determining the position of an electrically conductive test object
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United States of America Patent
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Aug 21, 2007
Grant Date -
Apr 20, 2006
app pub date -
Dec 7, 2005
filing date -
Aug 4, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Measuring device and method for determining the position of an electrically conductive test object (1) with a noncontacting sensor, in particular an eddy current sensor (2), wherein the test object (1) is adapted for linear reciprocal movement in a predetermined direction. The test object (1) includes a marking (6), and the sensor is arranged transversely to the direction of movement of the test object (1) and at a constant distance from the test object in the region of the marking (6), so that a movement of the test object causes the sensor to produce an at least largely linear signal change over a predetermined measuring range.
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