发明名称
摘要 PROBLEM TO BE SOLVED: To provide a navigation system excellent in operability capable of reading and transferring map data to a hard disc followed by storing in the eject operation of a recording medium, and reproducing a desired recording medium during navigation. SOLUTION: The CPU 11 of this navigation system discriminates its own vehicle position based on the sensor output of a sensor part 16 and the position measurement output of a GPS receiving part 17 to perform a navigation operation. When an eject button 19a or the like of an operation part 19 is depressed, a map data in a prescribed range delimited according to its own vehicle position of map data recorded in a DVD-ROM 1 is transferred to and stored in a map data storage area 15a of a hard disc 15 through a RAM 13. In the display processing to a display 20, the map data is transferred from the hard disc 15 to a display control part 21 to execute display processing.
申请公布号 JP3990084(B2) 申请公布日期 2007.10.10
申请号 JP19990334640 申请日期 1999.11.25
申请人 发明人
分类号 G01C21/00;G08G1/0969;G09B29/00;G09B29/10 主分类号 G01C21/00
代理机构 代理人
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