发明名称 Navigation apparatus
摘要 The present invention provides a navigation apparatus capable of distinguishing characters displayed in a display screen. Names of objects to be displayed on a road map are respectively indicated with the characters of the font types corresponding to categories of the objects such as an administrative district, a facility, a natural feature and so on. Accordingly, a user of the navigation apparatus can readily distinguish and recognize the characters showing the various kinds of the objects.
申请公布号 US2004138806(A1) 申请公布日期 2004.07.15
申请号 US20030643921 申请日期 2003.08.20
申请人 ICHIDA TAKASHI 发明人 ICHIDA TAKASHI
分类号 G01C21/00;G01C21/36;G06F17/30;G08G1/0969;G09B29/00;G09B29/10;(IPC1-7):G01C21/28 主分类号 G01C21/00
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