发明名称 |
TERMINAL DEVICE, INFORMATION PROVIDING SYSTEM, INFORMATION ACQUIRING METHOD, INFORMATION PROVIDING METHOD, AND RECORDING MEDIUM |
摘要 |
PROBLEM TO BE SOLVED: To provide a terminal device and an information providing system capable of acquiring position information in a short time by using a small and portable terminal device. SOLUTION: The terminal device 6 includes a storing part 45 for storing initial information relating to a satellite used in acquiring the position information by a radio wave positioning part 39, and an information acquiring part 46 for downloading the initial information from a GPS server 22 of the information providing system 20 via the Internet through a data communication device 38. Therefore, the terminal device capable of contracting a time (10 several minutes) necessary for receiving the initial information from a GPS satellite to several seconds, and providing the position information to a user in several seconds to 10 several seconds even in a cold start status is provided. |
申请公布号 |
JP2002323553(A) |
申请公布日期 |
2002.11.08 |
申请号 |
JP20020006736 |
申请日期 |
2002.01.15 |
申请人 |
SEIKO EPSON CORP |
发明人 |
KOBAYASHI TAKAHIRO |
分类号 |
G01S19/06;G01S19/07;G01S19/25;G01S19/34;H04B7/15;H04W4/12;H04W88/02;(IPC1-7):G01S5/14;H04Q7/34 |
主分类号 |
G01S19/06 |
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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