发明名称 PERSONNEL LOCATING SYSTEM
摘要 There is described a system and method for locating, and optionally monitoring the status of, a mobile entity in a given area fitted with a radio beacon. In one embodiment the system features a network of fixed bidirectional radio beacons which transmit on the same freqency at random intervals. A method for processing and relaying unique message identifiers throughout the system is disclosed which optionally allows the vicinity of the mobile entity to be determined from any beacon in the network.
申请公布号 CA2289752(C) 申请公布日期 2004.08.03
申请号 CA19982289752 申请日期 1998.04.09
申请人 COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION 发明人 GLADWIN, MICHAEL THOMAS;DEKKER, DAVID
分类号 G01S1/68;G01S5/02;G01S19/42;(IPC1-7):G01S1/68 主分类号 G01S1/68
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