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    • 3. 发明授权
    • Vehicle-mounted navigator
    • 车载导航仪
    • US4513377A
    • 1985-04-23
    • US386267
    • 1982-06-08
    • Koshi HasebeKunio MiuraTakashi OnoKazushi AkutsuKazuaki Minami
    • Koshi HasebeKunio MiuraTakashi OnoKazushi AkutsuKazuaki Minami
    • G01C21/36G06F15/50G09B29/10
    • G01C21/367
    • In a vehicle-mounted navigator, a control unit reads map data from a memory unit and displays a corresponding road map on a CRT display unit. In response to signals from a distance sensor and a direction sensor, the present position in relation to the running of the automotive vehicle is computed to display by superimposition the present position on the road map display of the display unit. When the computed present position has reached to a predetermined portion of an adjacent area, the map data of the road map adjacent to the road map on display is read from the memory unit and a corresponding road map is displayed on the display unit manually or automatically. In accordance with this updated display, the present position display is moved to a corresponding position on the updated road map display.
    • 在车载导航器中,控制单元从存储器单元读取地图数据,并在CRT显示单元上显示相应的路线图。 响应于来自距离传感器和方向传感器的信号,计算相对于机动车辆行驶的当前位置,以通过将显示单元的路线图显示叠加当前位置来显示。 当计算出的当前位置已达到相邻区域的预定部分时,从显示单元读取与显示的路线图相邻的路线图的地图数据,并且手动或自动地在显示单元上显示对应的路线图 。 根据该更新的显示,将当前位置显示移动到更新的路线图显示上的对应位置。