发明名称 |
Route search method for navigation device |
摘要 |
A navigation device that calculates an expected travel time or an expected arrival time for each retrieved route, using link costs predetermined for calculation of expected travel times regardless of search conditions. As the link costs for the calculation of expected travel times, are used link travel times obtained by statistically processing traffic information collected in the past, for example.
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申请公布号 |
US2007162222(A1) |
申请公布日期 |
2007.07.12 |
申请号 |
US20040586356 |
申请日期 |
2004.12.24 |
申请人 |
ENDO YOSHINORI;AMAYA SHINICHI |
发明人 |
ENDO YOSHINORI;AMAYA SHINICHI |
分类号 |
G01C21/00;G09B29/00;G01C21/30;G01C21/34;G08G1/0968;G08G1/0969;G09B29/10 |
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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