发明名称 Method and arrangement for arranging, selecting and displaying location data in a cellular telephone system, and a terminal of a cellular network
摘要 The invention relates to a method and arrangement for using location data in a cellular network. The cellular network includes a centralized map data bank (454) in which the map data are arranged in accordance with the quadtree hierarchy. The terminal includes a presentation means (23) for displaying map data according to the quadtree hierarchy. Some of the terminal's function keys (29) are arranged so as to function as selection keys for fetching more detailed map screens of the quadtree hierarchy to the display. The map data and possible auxiliary data fetched from the map data bank are saved in the terminal's memory for later use.
申请公布号 US2002019224(A1) 申请公布日期 2002.02.14
申请号 US20010892265 申请日期 2001.06.27
申请人 MEYERS STEPHAN 发明人 MEYERS STEPHAN
分类号 G01C21/20;G09B29/10;(IPC1-7):H04M11/10;G01C21/32 主分类号 G01C21/20
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