发明名称 APPARATUS AND METHOD FOR DETERMINING LOCATION AND TRACKING COORDINATES OF A TRACKING DEVICE
摘要 An apparatus to monitor location coordinates of an electronic tracking device. The apparatus includes a transceiver, a signal processor, an accelerometer, and an antenna. The antenna communicates signal strength, to the signal processor associated with the electronic tracking device. In response to signal strength, a battery power monitor controls battery usage by electronic circuitry associated with the electronic tracking device. An accelerometer provides a supplemental location tracking system to improve tracking accuracy of a primary location tracking system of the electronic tracking device.
申请公布号 US2009174603(A1) 申请公布日期 2009.07.09
申请号 US20080969905 申请日期 2008.01.06
申请人 SCALISI JOSEPH F;BUTLER DAVID;ANDERSON ROGER B;MEJIA DESIREE;BEYDLER MICHAEL L 发明人 SCALISI JOSEPH F.;BUTLER DAVID;ANDERSON ROGER B.;MEJIA DESIREE;BEYDLER MICHAEL L.
分类号 G01S3/00;G01P15/18;G01S5/14 主分类号 G01S3/00
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