发明名称 |
NAVIGATION METHOD, NAVIGATION SYSTEM AND MAP DATA DOWNLOADING METHOD FOR NAVIGATION |
摘要 |
A navigation method includes steps of calculating a first coordinate of a first position; taking the first coordinate to be a center of a predetermined range and calculating a first map data within the predetermined range according to a zoom scale of a map scale; downloading the first map data from a map server; storing the first map data; using the first map data to render a first graphic user interface map corresponding to the first coordinate; and displaying the first graphic user interface map.
|
申请公布号 |
US2013304373(A1) |
申请公布日期 |
2013.11.14 |
申请号 |
US201213563751 |
申请日期 |
2012.08.01 |
申请人 |
KUO TSAI-YUAN;CHEN LIAN-CHIH;LIANG CHIA-MING;HUANG CHI-FA |
发明人 |
KUO TSAI-YUAN;CHEN LIAN-CHIH;LIANG CHIA-MING;HUANG CHI-FA |
分类号 |
G01C21/34;G01C21/26 |
主分类号 |
G01C21/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|