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    • 6. 发明授权
    • Navigation system for vehicles
    • 车辆导航系统
    • US5371497A
    • 1994-12-06
    • US102251
    • 1993-08-05
    • Mitsuhiro NimuraAkimasa NanbaHiroyoshi MasudaHiroshi KishiToru Ito
    • Mitsuhiro NimuraAkimasa NanbaHiroyoshi MasudaHiroshi KishiToru Ito
    • G01C21/00G01C21/34G08G1/0969G10L13/00G08G1/123
    • G01C21/34
    • A navigation system for vehicles, capable of exactly and quickly showing guide information to a driver when two intersections to be negotiated are close to each other, is provided. A destination is input by an input part and a route to the destination is calculated from a present position of a vehicle, calculated by a present position determiner, by a route calculator included in a calculation section. The calculated route is stored in a route memory. A route guide controller included in the calculation section reads map information around the vehicle, stored in a guide information memory within a map information storage section and superimposes the map information with the present position of the vehicle, a traveling direction and the route stored in the route memory to display the superimposed information on a display. When the vehicle approaches the intersection, the screen is changed with an intersection map, but, when a next intersection map is required, the next intersection map is drawn on the back screen and is displayed by changing the two screens after the vehicle passes through the first intersection.
    • 提供了一种用于车辆的导航系统,其能够在要协商的两个交叉点彼此靠近时准确且快速地向司机显示指导信息。 通过输入部输入目的地,并且由当前位置确定器根据计算部分中包括的路线计算器从当前位置计算到目的地的路线。 计算的路由存储在路由存储器中。 包括在计算部分中的路线引导控制器读取存储在地图信息存储部分中的引导信息存储器中的车辆周围的地图信息,并将地图信息与车辆的当前位置,行进方向和存储在 路由存储器以在显示器上显示叠加的信息。 当车辆接近交叉路口时,屏幕用交叉路口地图改变,但是当需要下一个十字路口地图时,下一个十字路口地图画在后屏幕上,并且在车辆通过后通过改变两个屏幕来显示 第一个十字路口。