Proximity detection method
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United States of America Patent
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Aug 8, 2017
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app pub date -
Dec 20, 2016
filing date -
Sep 27, 2016
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Abstract
A proximity detection method implemented by a detecting device includes: (a) receiving detection signals from multiple signal providing devices that include a target device and at least one reference device; (b) for each of the detection signals, collecting signal strength values of the detection signal at a variety of time points; (c) filtering out a portion of the signal strength values based on a predetermined criterion; (d) for each of the detection signals, calculating a signal level according to a sum of the signal strength values; and (e) calculating proximity of the target device in relation to the at least one reference device according to the signal level.
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