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    • 47. 发明授权
    • Route searching device
    • 路由搜索设备
    • US06222836B1
    • 2001-04-24
    • US09045789
    • 1998-03-23
    • Hiroaki SekiyamaHironobu Sugimoto
    • Hiroaki SekiyamaHironobu Sugimoto
    • H04Q1100
    • G08G1/096827G01C21/3492
    • A device searches for an optimum route by estimating traffic information of a link whose traffic information cannot be obtained based on information from another link. Traffic information, such as a degree of congestion of link and a travelling time of link, is obtained by means of a transceiver, a FM antenna, and a receiver, and the optimum route is searched by an ECU for navigation. When there is a second link whose traffic information can not be obtained among links for searching routes, weighting of traffic information of a first link is performed according to a directional difference and a degree of separation (time or distance) between the first link and the second link, and then traffic information of the second link is estimated based on the traffic information weighted. The ECU for navigation searches the optimum route to destination using the traffic information estimated and displays it on a display.
    • 通过根据来自其他链路的信息估计不能获得其交通信息的链路的交通信息来搜索最佳路线。 通过收发器,FM天线和接收机获得诸如链路的拥塞程度和链路的行进时间等的交通信息,并且由ECU搜索用于导航的最佳路线。 当存在无法在用于搜索路由的链路中获得其交通信息的第二链路时,根据第一链路和第一链路之间的方向差异和分离度(时间或距离)来执行第一链路的交通信息的加权, 第二链路,然后基于加权的交通信息来估计第二链路的交通信息。 用于导航的ECU使用估计的交通信息搜索到目的地的最佳路线,并将其显示在显示器上。