发明名称 |
Map data creating device, navigation device, and map processing system using these devices |
摘要 |
Disclosed is a map data creating device including an average travel speed calculating unit for calculating an average travel speed in each link included in searched route data showing a route which is searched for by a route searching unit according to information which is included in map data acquired from a map database and which is assigned to the link, a control unit for dividing the route which is searched for by the route searching unit into sub-routes according to the average travel speed from the average travel speed calculating unit to acquire map data about a map having a scale according to an average travel speed assigned to each of the sub-routes into which the route is divided from the map database, and a searched route data storage unit for storing the map data acquired by the control unit while bringing the map data into correspondence with the sub-route. |
申请公布号 |
US8600666(B2) |
申请公布日期 |
2013.12.03 |
申请号 |
US201013503006 |
申请日期 |
2010.01.19 |
申请人 |
HAYAKAWA FUJIO;MITSUBISHI ELECTRIC CORPORATION |
发明人 |
HAYAKAWA FUJIO |
分类号 |
G01C21/00 |
主分类号 |
G01C21/00 |
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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