发明名称 SYSTEM AND METHOD OF WIRELESS DOWNLOADS OF MAP AND GEOGRAPHIC BASED DATA TO PORTABLE COMPUTING DEVICES
摘要 Systems and method of managing map data on electronic devices such as portable electronic devices include systems and methods of preloading map data, managing map data storage, sharing point of interest or pushpin data with other electronic devices, and displaying map data.
申请公布号 US2012221239(A1) 申请公布日期 2012.08.30
申请号 US201213464654 申请日期 2012.05.04
申请人 COOPER CLIVE W.R.;WALLNER ALFRED W. 发明人 COOPER CLIVE W.R.;WALLNER ALFRED W.
分类号 G01C21/00 主分类号 G01C21/00
代理机构 代理人
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