| 发明名称 |
Portable terminal and position information conversion system |
| 摘要 |
The present invention provides a portable terminal that can provide a user with current-position related information without installing a large-capacity memory unit and a high-speed operation unit and a position information conversion system that reduces the load of user's information search processing and provides user-desired current-position related information speedily.
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| 申请公布号 |
US2003228873(A1) |
申请公布日期 |
2003.12.11 |
| 申请号 |
US20030455418 |
申请日期 |
2003.06.06 |
| 申请人 |
NEC CORPORATION |
发明人 |
MANZEN YOSHIHISA |
| 分类号 |
G01C21/00;G01S5/14;H04B7/26;H04L29/08;H04M1/725;H04W4/00;H04W4/02;H04W4/04;H04W88/02;(IPC1-7):H04Q7/20 |
主分类号 |
G01C21/00 |
| 代理机构 |
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