发明名称
摘要 PROBLEM TO BE SOLVED: To provide a navigation system capable of realizing the more precise display movement of a map without giving unpleasantness to an operator. SOLUTION: This navigation system is provided with a touch switch means and a display movement function for detecting a touch-inputted point in a map display state and scrolling the point in the center of a display screen. A grid display signal is outputted with touch input against the display screen in the map display state. A grid corresponding to the resolution of the touch switch means is displayed on the display screen with the output of the grid display signal. A map enlargement function which enlarges/displays the map at the periphery of an intersection with touch input continuing for prescribed time at the intersection position of the grid is installed. A center display function for scrolling the center position of two points in the center of the display screen by simultaneously touching/inputting the intersection positions of the two adjacent points in the grid is installed.
申请公布号 JP3455122(B2) 申请公布日期 2003.10.14
申请号 JP19980342957 申请日期 1998.12.02
申请人 发明人
分类号 G09B29/00;G01C21/00;G08G1/0969;G09B29/10;(IPC1-7):G09B29/10;G08G1/096 主分类号 G09B29/00
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