发明名称 MAP INFORMATION PROCESSING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a map information processing device capable of enhancing the efficiency of update information acquisition, by maintaining a scheduled update date for a road service to be started or abolished and acquiring updated information which shows the road service was started or abolished according to the scheduled update date. <P>SOLUTION: The device determines whether the update information acquisition is necessary or not, based on the date of a present time and the scheduled update date of the information to be updated stored in an information storage part 3, and updates the service information of map data acquired in a map data acquisition part 9, based on the acquired updated information. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012037443(A) 申请公布日期 2012.02.23
申请号 JP20100179338 申请日期 2010.08.10
申请人 MITSUBISHI ELECTRIC CORP 发明人
分类号 G01C21/26;G08G1/137;G09B29/00 主分类号 G01C21/26
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