发明名称 A METHOD AND DEVICE FOR PROTECTION OF PERSONNEL
摘要 A method and a device for determining if or where a person (10) is located within an area (5), wherein a foot transceiver (8) connected to the person (10) activates one or several identifiable transponders (6) placed in the area (5), after which the activated transponder(s) (6) emit an identifiable signal, preferably via the foot transceiver (8), onto a main receiver/transmitter (14), each of the received signals then being referred to a known position.
申请公布号 EA006421(B1) 申请公布日期 2005.12.29
申请号 EA20040001307 申请日期 2003.04.03
申请人 NATIONAL OILWELL NORWAY AS 发明人 ROED, FRODE;SANDVIK, SIGVE
分类号 H04B5/02;(IPC1-7):G05D1/02;H04B5/00 主分类号 H04B5/02
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