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11. 发明授权

US5369588A Navigation system for motor vehicles 失效
标题翻译：汽车导航系统
公开(公告)号：US5369588A
公开(公告)日：1994-11-29
申请号：US926029
申请日：1992-08-07
申请人： Katsuro Hayami , Kazuhiro Yokouchi , Hirofumi Goto , Chisato Yoshida , Yasushi Fujii
发明人： Katsuro Hayami , Kazuhiro Yokouchi , Hirofumi Goto , Chisato Yoshida , Yasushi Fujii
IPC分类号： G01C21/00 , G01C21/34 , G08G1/09 , G08G1/0968 , G08G1/0969 , G06F15/50
CPC分类号： G08G1/096827 , G01C21/34 , G08G1/096838 , G08G1/096844 , G08G1/096866
摘要： A navigation system for a motor vehicle serves to guide the motor vehicle along an optimum route which includes bypass roads and side destinations desired by a driver but no road of high traffic congestion. When the motor vehicle deviates from the guidance route, an optimum route is again determined, starting from the current position of the motor vehicle. The navigation system includes a manipulating unit 1A for setting the desired bypass roads, side destinations and the final destination, a system controller 11 for setting the destination and the side destinations in terms of the coordinates on a map which are stored in a RAM unit together with information concerning the bypass roads and congested roads, a route extracting unit 6A for extracting an optimum route from a plurality of routes searched by a route search unit 5A on the basis of data read out from the RAM unit 14 and a route guidance controller for determining a distance deviation between the optimum route and the current position of the motor vehicle determined by a current position determining unit 7A. When the distance deviation exceeds a predetermined value, the system controller 11 commands the route search unit 5A and the optimum route extracting unit 6A to start again a new optimum route determining operation.
摘要翻译：用于机动车辆的导航系统用于引导机动车辆沿着包括旁路和旁路目的地的目的地路线的最佳路线，但没有高交通拥堵的道路。当机动车偏离引导路线时，从机动车辆的当前位置起，再次确定最佳路线。导航系统包括用于设置所需旁路道路，侧目的地和最终目的地的操纵单元1A，用于根据存储在RAM单元中的地图上的坐标来设定目的地和侧目的地的系统控制器11 关于旁路和拥挤道路的信息，路线提取单元6A，其基于从RAM单元14读出的数据，从路线搜索单元5A搜索的多个路线中提取最佳路线;以及路线引导控制器，确定由当前位置确定单元7A确定的最佳路线与机动车辆的当前位置之间的距离偏差。当距离偏差超过预定值时，系统控制器11命令路径搜索单元5A和最佳路线提取单元6A再次开始新的最佳路线确定操作。

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