发明名称 |
Mobile communications device with GPS receiver and common clock source |
摘要 |
A mobile communications device using a common oscillator for communication and global positioning system (GPS) functions. In one embodiment, a communications unit receives a precision carrier frequency signal from a source and generates a reference signal that is used to calibrate a common oscillator.
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申请公布号 |
US7082292(B2) |
申请公布日期 |
2006.07.25 |
申请号 |
US20030658185 |
申请日期 |
2003.09.09 |
申请人 |
SIRF TECHNOLOGY, INC. |
发明人 |
UNDERBRINK PAUL A. |
分类号 |
H04Q7/20;G01S;G01S1/00;G01S19/23;G01S19/25;G01S19/44;G01S19/46;H03J1/00;H03L7/081;H03L7/197;H04B1/26;H04B1/38;H04B1/40;H04B7/26;H04J13/00 |
主分类号 |
H04Q7/20 |
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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