发明授权
US07082292B2 Mobile communications device with GPS receiver and common clock source
有权
具有GPS接收机和通用时钟源的移动通信设备
- 专利标题： Mobile communications device with GPS receiver and common clock source
- 专利标题（中）： 具有GPS接收机和通用时钟源的移动通信设备
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申请号： US10658185申请日： 2003-09-09
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公开(公告)号： US07082292B2公开(公告)日： 2006-07-25
- 发明人: Paul A. Underbrink
- 申请人： Paul A. Underbrink
- 申请人地址： US CA San Jose
- 专利权人： SiRF Technology, Inc.
- 当前专利权人： SiRF Technology, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： MacPherson Kwok Chen & Heid LLP
- 代理商 Edward C. Kwok
- 主分类号： H04Q7/20
- IPC分类号： H04Q7/20
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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