发明名称 |
Automobile route navigation system |
摘要 |
The route navigation system has a primary route searching device, for providing a primary route for reaching a given target location and an alternative route searching device, which provides alternative routes between points along the primary route. The distance of the alternative route from the primary route is calculated and a display is provided for the driver, for indicating the distance using the primary route and the alternative route.
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申请公布号 |
DE19748077(A1) |
申请公布日期 |
1998.05.20 |
申请号 |
DE19971048077 |
申请日期 |
1997.10.30 |
申请人 |
ALPINE ELECTRONICS INC., TOKIO/TOKYO, JP |
发明人 |
MIZUKAMI, KYOICHI, IWAKI, FUKUSHIMA, JP |
分类号 |
G09B29/10;G01C21/00;G01C21/34;G08G1/0968;G08G1/0969;(IPC1-7):G08G1/09;G08G1/096;G01C21/04 |
主分类号 |
G09B29/10 |
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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