发明名称 NAVIGATION SYSTEM AND INFORMATION ACQUISITION METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide a technique which enables a navigation system loaded on a vehicle and the like to connect to an information providing device by using a base station of narrow-band communication. <P>SOLUTION: When a recommended route passes a communication spot which is an area where communication is available by using the base station of narrow-band communication, the navigation system connects to the information providing device via the base station after moving to the communication spot, and when the recommended route does not pass the communication spot, the navigation system connects to the information providing device via a public network by using a communication terminal. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011257401(A) 申请公布日期 2011.12.22
申请号 JP20110128014 申请日期 2011.06.08
申请人 CLARION CO LTD 发明人 ENDO YOSHINORI;SUMIZAWA TSUGUO;AMAYA SHINICHI;TSUBURAYA TAKEHITO
分类号 G01C21/34;G08G1/09;H04W4/02;H04W4/04;H04W48/18 主分类号 G01C21/34
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