发明名称 SYSTEM FOR MONITORING POSITIONS OF MOVING OBJECT
摘要 [PROBLEMS TO BE SOLVED] A problem to be solved is to provide a moving object monitoring system that can confirm a position of a moving object including a person in a complicated pit in order to early discover a trouble or a problem occurring in the pit. [MEANS FOR SOLVING PROBLEMS] In the moving object position monitoring system is comprised of a moving object central monitoring means, mobile stations and pit base means. The moving object central monitoring means is characterized in that the moving object central monitoring means is made to store a set position of each pit base means in advance and to display a position of each mobile station in the pit in accordance with position information transmitted from each pit base means.
申请公布号 US2011117923(A1) 申请公布日期 2011.05.19
申请号 US20070443759 申请日期 2007.06.01
申请人 YONEZAWA SHOICHIRO;YONEZAWA JUNKO 发明人 YONEZAWA SHOICHIRO;YONEZAWA JUNKO
分类号 H04W64/00 主分类号 H04W64/00
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