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    • 2. 发明授权
    • Travel time calculating method and traffic information display method for a navigation device
    • 导航装置的旅行时间计算方法和交通信息显示方法
    • US07376509B2
    • 2008-05-20
    • US10811966
    • 2004-03-30
    • Yoshinori EndoShinichi AmayaAkio Sumizawa
    • Yoshinori EndoShinichi AmayaAkio Sumizawa
    • G01C21/34
    • G08G1/096888G01C21/3492G01C21/3691G08G1/0104
    • The navigation device of the present invention has a storage device which stores map data including link data of respective links constituting roads on a map, and statistical data including travel time (moving speed) which is determined by statistical values of traffic information collected in the past, with respect to each of the links. Then, the navigation device uses for each departure time candidate, the map data and the statistical data of collection conditions corresponding to the statuses upon passing each of the route constituting links which constitute the route, so as to obtain the travel time for each of the route constituting links. Thereafter, the travel times of respective route constituting links thus obtained are summed up, and the travel time between the departure position and the destination is obtained.
    • 本发明的导航装置具有存储装置,其存储包括在地图上构成道路的各个链路的链接数据的地图数据,以及包括由过去收集的交通信息的统计值确定的行驶时间(移动速度)的统计数据 对于每个链接。 然后,导航装置在通过构成路线的构成链路的各路径时,对每个出发时间候选,地图数据和与状态相对应的收集条件的统计数据使用,以获得每个 路由构成链路。 此后,将由此获得的各个路线构成链路的行进时间相加,并且获得出发位置和目的地之间的行驶时间。
    • 7. 发明授权
    • Map data transmitting method, map data transmitting apparatus, information device and map data transmitting system
    • 地图数据发送方法,地图数据发送装置,信息装置和地图数据发送系统
    • US07158149B2
    • 2007-01-02
    • US10682569
    • 2003-10-10
    • Akio SumizawaYoshinori Endo
    • Akio SumizawaYoshinori Endo
    • G06T15/00G06T17/00G01C21/26G08G1/123
    • G01C21/32G01C21/34G08G1/0969
    • A map data transmitting method for transmitting a map through communication comprises steps of setting a specific route, specifying map data contained in a slicing range within a predetermined distance from the route having been set based upon map data that include road data and background data, newly creating new polygon data if an original polygon data contained in the background data included in the specified map data is partially contained in the slicing range and another portion of the polygon is outside the slicing range, by removing polygon data corresponding to the portion outside the slicing range from the original polygon data and transmitting a road map specified in conformance to the map data and background data containing the new polygon data.
    • 一种用于通过通信发送地图的地图数据发送方法包括以下步骤:新建特定路线,根据包括道路数据和背景数据的地图数据,将已经设置的路线在预定距离内的限幅范围内包含的地图数据新建 如果包含在指定地图数据中的背景数据中包含的原始多边形数据部分地包含在切片范围内,并且多边形的另一部分在切片范围之外,则通过移除对应于切片之外的部分的多边形数据来创建新的多边形数据 从原始多边形数据的范围,并发送根据地图数据指定的路线图和包含新的多边形数据的背景数据。
    • 9. 发明授权
    • Route search method and traffic information display method for a navigation device
    • 路线搜索方法和导航设备的交通信息显示方式
    • US07512489B2
    • 2009-03-31
    • US10771743
    • 2004-02-05
    • Yoshinori EndoShinichi AmayaAkio Sumizawa
    • Yoshinori EndoShinichi AmayaAkio Sumizawa
    • G01C21/30G01C21/32
    • G08G1/096716G01C21/34G08G1/09675G08G1/096775
    • A recommended route is searched by the use of traffic information collected in the past. A map/statistical traffic data storage device 3 stores map data including link data of respective links constituting roads on a map, and statistical data including travel time or moving speeds of the respective links determined by statistical values of traffic information collected in the past. Said statistical data is classified every condition of collection of traffic information. A navigation device searches a recommended route from a departure position to a destination by using the map data stored in the map/statistical traffic data storage device and statistical data corresponding to a day type and a weather type which constitute conditions of search, out of statistical data stored in the map/statistical traffic data storage device 3.
    • 通过使用过去收集的交通信息来搜索推荐的路线。 地图/统计交通数据存储装置3存储包括在地图上构成道路的各个链路的链接数据的地图数据,以及包括由过去收集的交通信息的统计值确定的各个链路的行驶时间或移动速度的统计数据。 所述统计数据对交通信息收集的每个条件进行分类。 导航装置通过使用存储在地图/统计交通数据存储装置中的地图数据和构成搜索条件的日期类型和天气类型的统计数据,从统计学中搜索从出发位置到目的地的推荐路线 存储在地图/统计交通数据存储装置3中的数据。