| 发明名称 |
Vehicle navigation device. |
| 摘要 |
A navigation device offering accurate determination of the vehicle location is obtained by detection of a change of the strength of a radio signal received and by relating the detected change to a specific location in a cartographic representation of the surroundings area. <IMAGE> |
| 申请公布号 |
EP0605926(A1) |
申请公布日期 |
1994.07.13 |
| 申请号 |
EP19930203687 |
申请日期 |
1993.12.24 |
| 申请人 |
PHILIPS ELECTRONICS N.V. |
发明人 |
ROUWS, PETRUS LEVANIUS ANTONIUS, C/O INT. |
| 分类号 |
G08G1/09;G01C21/30;G08G1/0969 |
主分类号 |
G08G1/09 |
| 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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