发明名称 Navigation apparatus, map information storage medium, and method of providing information about area lying beyond intersection
摘要 A navigation apparatus includes a route searching unit for searching for a route from a current position of a moving object to a destination or via point based on map information, an intersection extraction unit for extracting information about an intersection that is located forward of the moving object along the route and that is a target for guidance from the map information, an area information extraction unit for extracting plural pieces of area information about areas lying along the route and beyond the intersection from the map information, a comparison unit for comparing specific information included in each piece of area information with information about the destination or via point, and a selection unit for selecting one piece of area information that is to be a target for guidance based on comparison results obtained by the comparison unit among from the plural pieces of area information.
申请公布号 US6810327(B2) 申请公布日期 2004.10.26
申请号 US20030336515 申请日期 2003.01.06
申请人 MITSUBISHI ELECTRIC CORP 发明人 AKASHI YOSHIKI
分类号 G09B29/00;G01C21/00;G01C21/34;G08G1/0969;G09B29/10;(IPC1-7):G01C21/26 主分类号 G09B29/00
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