| 发明名称 |
MOBILE COMMUNICATIONS DEVICE WITH GPS RECEIVER AND COMMON CLOCK SOURCE |
| 摘要 |
A mobile communications device (40) using a common oscillator for communication and global positioning system (GPS) functions. In one embodiment, a communications unit (408) receives a precision carrier frequency signal from a source (407) and generates a reference signal (401) that is used to calibrate a common oscillator. |
| 申请公布号 |
WO2005026766(A2) |
申请公布日期 |
2005.03.24 |
| 申请号 |
WO2004US26222 |
申请日期 |
2004.08.14 |
| 申请人 |
SIRF TECHNOLOGY, INC.;UNDERBRINK, PAUL, A. |
发明人 |
UNDERBRINK, PAUL, A. |
| 分类号 |
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;H04Q7/20 |
主分类号 |
G01S |
| 代理机构 |
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代理人 |
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