发明名称 Wireless personal tracking and navigation system
摘要 The invention provides a personal tracking system comprising a wireless communication device, a pedometer electrically coupled to the wireless communication device, and an electronic compass operably positioned with respect to the pedometer. The wireless communication device receives readings from the pedometer and the electronic compass to provide position information. A method of tracking a location of a person, a system for tracking the location of a person, and an electronic module for a personal tracking system are also disclosed.
申请公布号 US2005033515(A1) 申请公布日期 2005.02.10
申请号 US20030635963 申请日期 2003.08.07
申请人 MOTOROLA, INC. 发明人 BOZZONE STEPHEN O.
分类号 G01S19/19;G01C21/12;G01C21/26;G01C22/00;(IPC1-7):G01C21/26 主分类号 G01S19/19
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