Portable electronic device and position tracking method of the device
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United States of America Patent
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Apr 30, 2013
Grant Date -
Feb 23, 2012
app pub date -
Mar 31, 2011
filing date -
Aug 23, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A location tracking method using a portable electronic device utilizes communication with a server through access points. The portable electronic device creates a database to restore information of the access points and scans the access points which can communicates and searches the information of the access points scanned from the database. The portable electronic device logs onto the access points and transmits transmitter packages including the access points scanned and scanning time of the access points to the server for tracking locations of the portable electronic device.
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