发明名称 Map display for a navigation system
摘要 A system and method are disclosed for displaying map information on a portable computing device. When approaching a location at which maneuvering guidance is to be provided by the portable computing device, the portable computing device presents alternating images on a display screen. The alternating images include an overhead view map image and either a perspective view map image or a stylized image. The stylized image can be either a 2D image or a 3D image.
申请公布号 US7376510(B1) 申请公布日期 2008.05.20
申请号 US20040981907 申请日期 2004.11.05
申请人 NAVTEQ NORTH AMERICA, LLC 发明人 GREEN JUDSON
分类号 G01C21/32 主分类号 G01C21/32
代理机构 代理人
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