发明名称 |
Map data providing apparatus |
摘要 |
<p>A certain amount of basic map data is installed into the map data storage medium in the navigation apparatus at the time of initial setting or the like, and thereafter the user connect to the map data providing center to download necessary data according to need. Thus, the present invention offers efficient method of obtaining map data in the communication-type navigation system. <IMAGE></p> |
申请公布号 |
EP1283407(A2) |
申请公布日期 |
2003.02.12 |
申请号 |
EP20020255488 |
申请日期 |
2002.08.06 |
申请人 |
PIONEER CORPORATION |
发明人 |
NAKANE, YUUSUKE;TAKAYANAGI, MOTOHIKO;TAKENAKA, TOYOHIRO;FUKUSHIMA, ATSUHIKO;FUJITA, TORU |
分类号 |
G01C21/32;(IPC1-7):G01C21/32 |
主分类号 |
G01C21/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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