发明名称 |
GPS-based positioning system for mobile GPS terminals |
摘要 |
The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements.
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申请公布号 |
US7352322(B2) |
申请公布日期 |
2008.04.01 |
申请号 |
US20050312250 |
申请日期 |
2005.12.19 |
申请人 |
SIRF TECHNOLOGY, INC.;MATSUSHITA ELECTRIC WORKS, LTD. |
发明人 |
TSUJIMOTO IKUO;SUZUKI JUNICHI;CHANG CHIAYEE STEVE;GARIN LIONEL JACQUES;PANDE ASHUTOSH |
分类号 |
G01S19/35;H04B7/185;G01S1/00;G01S5/00;G01S19/06;G01S19/25;H04Q7/34 |
主分类号 |
G01S19/35 |
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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