| 发明名称 |
Method of operating a navigation system |
| 摘要 |
A method for operating a navigation system obtains an ordered plurality of interconnected segments providing a route from an origin to a destination. A guidance message for each of the segments is formed. The step of forming the guidance message comprises determining whether to reference a previous segment and adding a reference to a current segment.
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| 申请公布号 |
US7149626(B1) |
申请公布日期 |
2006.12.12 |
| 申请号 |
US20040881310 |
申请日期 |
2004.06.30 |
| 申请人 |
NAVTEQ NORTH AMERICA, LLC |
发明人 |
DEVRIES STEVEN P.;HERBST JAMES M.;HOPKINS KAREN A.;MCGRATH SUZANNE M.;BAUER ELLEN M.;BENNETT JAMES R.;BORAK JASON M. |
| 分类号 |
G01C21/30;G01S19/48 |
主分类号 |
G01C21/30 |
| 代理机构 |
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| 主权项 |
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