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    • 6. 发明申请
    • MAP SCALE CHANGING METHOD AND APPARATUS FOR NAVIGATION SYSTEM
    • 地图范围变更方法和导航系统的设备
    • US20070233373A1
    • 2007-10-04
    • US11671253
    • 2007-02-05
    • Hyun-Woo CHOIEun-Hee JEONGChae-Guk CHO
    • Hyun-Woo CHOIEun-Hee JEONGChae-Guk CHO
    • G01C21/00
    • G01C21/367G01C21/3673
    • A map scale changing method and apparatus for navigation system capable of automatically changing a map scale when a travel route of a mobile object is searched and displayed on a display screen, whereby a map scale is changed based on a distance between a current position of the mobile object and a search start position of the travel route when the mobile object starts to travel to allow both the current position of the mobile object and a start position of the travel route to be displayed a display screen, and a map scale is changed based on a distance between the current position of the mobile object and a real destination in case the mobile object approaches a search termination position of the travel route to allow both the current position and the destination to be displayed on the display screen.
    • 一种用于导航系统的地图比例改变方法和装置,其能够在移动对象的行进路线被搜索并显示在显示屏幕上时自动地改变地图尺度,从而基于当前位置之间的距离来改变地图比例 移动对象和移动对象开始行进时的行驶路线的搜索开始位置,以便将移动体的当前位置和行驶路线的开始位置两者显示在显示画面上,并且基于地图比例变化 在移动对象接近行进路线的搜索终止位置的情况下,在移动对象的当前位置与真实目的地之间的距离上,以允许在显示屏幕上显示当前位置和目的地。