发明名称 NAVIGATION DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a navigation device having the function of searching for a plurality of courses up to a destination and enabling a user to easily comprehend a difference between courses obtained by the searching. SOLUTION: When a search for a plurality of courses is finished, this navigation device computes differences between the courses and extracts the name of a road representing each course among courses of differences by using map data. For example, the name of a road high in link class predetermined according to the importance of the road is extracted and the name of the extracted road is displayed near a course when the course is displayed on a display device. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004177209(A) 申请公布日期 2004.06.24
申请号 JP20020342231 申请日期 2002.11.26
申请人 ALPINE ELECTRONICS INC 发明人 KOMATSU TSUNEHISA
分类号 G09B29/00;G01C21/00;G08G1/0969;G09B29/10;(IPC1-7):G01C21/00;G08G1/096 主分类号 G09B29/00
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