发明名称 Apparatus and method for tracking the location and position of an individual using an accelerometer
摘要 The present invention generally relates to electronic position and location tracking of various items. More particularly, the present invention is useful for tracking of an individual's position and location. Data is received from both an external position locating apparatus and an accelerometer and is converted into both position and direction of travel information.
申请公布号 US7110777(B2) 申请公布日期 2006.09.19
申请号 US20030626460 申请日期 2003.07.24
申请人 DUNCAN CHARLES 发明人 DUNCAN CHARLES
分类号 H04Q7/20;G01C21/00;G01C21/16;G01S;G01S5/00;G01S5/12;G01S5/14;G01S7/00;G01S13/76;G01S19/49;G08B13/14;G08B21/02;H04B7/185;H04B17/00;H04Q7/38 主分类号 H04Q7/20
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