Linear position sensor
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 6, 2012
app pub date -
Sep 29, 2010
filing date -
Oct 2, 2009
priority date (Note) -
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Abstract
A device for measuring the position of a target includes a track, which includes a primary winding (513) supplied with an alternating current at high frequency, and a plurality of secondary windings (511, 512). The device measures the position of the leading edge (510) of the target (500) in a so-called longitudinal direction (5000) between a first position and a second position between which the target (500) completely covers the track (550). Surprisingly, this configuration enables a very significant increase in the useful measurement length of such a track (550).
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