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Method and system for determining position information utilizing a portable electronic device lacking global positioning system (GPS) reception capability
Method and system for determining position information utilizing a portable electronic device lacking global positioning system (GPS) reception capability
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机译:利用缺乏全球定位系统(gps)接收能力的便携式电子设备确定位置信息的方法和系统
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摘要
A portable electronic device that can obtain position information despite lacking GPS reception capability includes data storage that stores a reference position, a plurality of inertial motion sensors, and computational circuitry. The inertial motion sensors detect movement of the portable electronic device and output motion signals to the computation circuitry indicative of the sensed movement. In response to these motion signals and the stored reference position, the computational circuitry computes a position of the portable electronic device.
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