Near field electromagnetic location system and method
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United States of America Patent
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Feb 4, 2014
Grant Date -
Jun 23, 2011
app pub date -
Dec 23, 2010
filing date -
Aug 19, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for determining a position of a locus comprising a locator device for disposition at the locus; the locator device configured for receiving an electromagnetic signal from a beacon device, the locator device receiving at a distance from the beacon device within near field range of the electromagnetic signal; the locator device configured for distinguishing at least two characteristics of the electromagnetic signal sensed at the locus; the system employing the at least two characteristics to effect the determining of the position of the locus.
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