发明名称 |
Portable electronic device and position tracking method of the device |
摘要 |
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. |
申请公布号 |
US8433324(B2) |
申请公布日期 |
2013.04.30 |
申请号 |
US201113076427 |
申请日期 |
2011.03.31 |
申请人 |
TANG CHENG-WEN;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
TANG CHENG-WEN |
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