发明名称 |
Position locating system, server, position locating method, and program |
摘要 |
A server includes a position estimation section for estimating the current position of a client apparatus based on the already acquired position information when the server cannot acquire position information from the client apparatus and the server requests the client apparatus to transmit position information in response to a search instruction from an information terminal.
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申请公布号 |
US2003144792(A1) |
申请公布日期 |
2003.07.31 |
申请号 |
US20030352212 |
申请日期 |
2003.01.28 |
申请人 |
PIONEER CORPORATION AND INCREMENT P CORPORATION |
发明人 |
AMANO KOUJI;NOZAKI TAKASHI |
分类号 |
G08G1/0962;(IPC1-7):G01C21/26 |
主分类号 |
G08G1/0962 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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