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    • 9. 发明授权
    • Route search device and route search method
    • 路由搜索设备和路由搜索方法
    • US08185299B2
    • 2012-05-22
    • US12179389
    • 2008-07-24
    • Junsuke FujiwaraTakumi FushikiYoshinori Endo
    • Junsuke FujiwaraTakumi FushikiYoshinori Endo
    • G01C21/32
    • G08G1/096827G01C21/3453G01C21/3492G08G1/096844
    • A route to a destination in which required travel time barely varies depending on weather is searched for without referring to weather forecast or weather information. A route search device comprises following means: a storage medium for storing traffic information including travel times by weather conditions for each link comprising a road on a map; a pointing device which sets a starting point and a destination; a weather condition-based route search module that determines the shortest travel time route from the starting point to the destination by weather conditions using the traffic information stored in the storage medium; a link series-identifying module that extracts link series which vary with weather conditions from link series comprising the shortest travel time route determined by the weather condition-based route search module, determines the required travel time by weather conditions for the each link series that vary with weather conditions by using the traffic information stored in the storage medium, and identifies a link series whose required travel time barely varies depending on weather conditions; and a link series-registering medium that registers the link series identified by the link series-identifying module as a link series comprising a guide route from the starting point to the destination.
    • 在不参照天气预报或天气信息的情况下搜索到目的地的路线,其中所需旅行时间几乎根据天气不同而不同。 路线搜索装置包括以下装置:存储介质,用于存储包括在地图上包括道路的每个链路的天气条件的旅行时间的交通信息; 设置起点和目的地的指示装置; 基于天气条件的路线搜索模块,其使用存储在所述存储介质中的交通信息来确定从天气条件起始点到目的地的最短行进时间路线; 链接系列识别模块,提取由天气条件变化的链接序列,其中包括由基于天气条件的路线搜索模块确定的最短旅行时间路线的链路系列,根据天气条件确定所变化的每个链路系列的所需行驶时间 通过使用存储在存储介质中的交通信息的天气条件,并且识别所需行驶时间根据天气条件几乎不变的链路系列; 以及链接序列登记介质,其将由链路序列识别模块识别的链路序列登记为包括从起始点到目的地的引导路线的链路序列。
    • 10. 发明申请
    • Route Search Device and Route Search Method
    • 路由搜索设备和路由搜索方法
    • US20090037100A1
    • 2009-02-05
    • US12179389
    • 2008-07-24
    • Junsuke FujiwaraTakumi FushikiYoshinori Endo
    • Junsuke FujiwaraTakumi FushikiYoshinori Endo
    • G01C21/30G01C21/00
    • G08G1/096827G01C21/3453G01C21/3492G08G1/096844
    • A route to a destination in which required travel time barely varies depending on weather is searched for without referring to weather forecast or weather information. A route search device comprises following means: a storage medium for storing traffic information including travel times by weather conditions for each link comprising a road on a map; a pointing device which sets a starting point and a destination; a weather condition-based route search module that determines the shortest travel time route from the starting point to the destination by weather conditions using the traffic information stored in the storage medium; a link series-identifying module that extracts link series which vary with weather conditions from link series comprising the shortest travel time route determined by the weather condition-based route search module, determines the required travel time by weather conditions for the each link series that vary with weather conditions by using the traffic information stored in the storage medium, and identifies a link series whose required travel time barely varies depending on weather conditions; and a link series-registering medium that registers the link series identified by the link series-identifying module as a link series comprising a guide route from the starting point to the destination.
    • 在不参照天气预报或天气信息的情况下搜索到目的地的路线,其中所需旅行时间几乎根据天气不同而不同。 路线搜索装置包括以下装置:存储介质,用于存储包括在地图上包括道路的每个链路的天气条件的旅行时间的交通信息; 设置起点和目的地的指示装置; 基于天气条件的路线搜索模块,其使用存储在所述存储介质中的交通信息来确定从天气条件起始点到目的地的最短行进时间路线; 链接系列识别模块,提取由天气条件变化的链接序列,其中包括由基于天气条件的路线搜索模块确定的最短旅行时间路线的链路系列,根据天气条件确定所变化的每个链路系列的所需行驶时间 通过使用存储在存储介质中的交通信息的天气条件,并且识别所需行驶时间根据天气条件几乎不变的链路系列; 以及链接序列登记介质,其将由链路序列识别模块识别的链路序列登记为包括从起始点到目的地的引导路线的链路序列。