发明名称 Navigation apparatus using radio communication device
摘要 When a radio communication device inputs a target place, it receives information of a radio control apparatus at the target place and those on the route from a database or a radio control apparatus. Upon reception of identification information of the radio control apparatus, the radio communication device compares it with the information of the radio control apparatus, and notifies the comparison result, thereby confirming its current position.
申请公布号 US6236338(B1) 申请公布日期 2001.05.22
申请号 US19980222499 申请日期 1998.12.29
申请人 CANON KABUSHIKI KAISHA 发明人 HAMADA MASASHI
分类号 G09B29/10;G01C21/00;G01S19/48;G08G1/005;H04B7/26;H04W4/02;(IPC1-7):G08G1/123 主分类号 G09B29/10
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