发明名称 Personal tracking system integrated with base station
摘要 The personal tracking system including the intelligent position determining means coupled with the cellular phone and the base station is disclosed. The base station includes a computer, a modem, and a telephone. The computer further includes base station software for communicating with the mobile unit. The mobile unit transmits the location data to the base station at certain times and at certain locations.
申请公布号 US5742509(A) 申请公布日期 1998.04.21
申请号 US19950420242 申请日期 1995.04.11
申请人 TRIMBLE NAVIGATION LIMITED 发明人 GOLDBERG, STEVEN H.;KREMER, GREG;DAVIS, PAUL M.
分类号 G01S5/00;G01S5/14;G01S19/35;(IPC1-7):G06F165/00 主分类号 G01S5/00
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