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Method and device for monitoring body movement by detecting pattern changes in the distance variations between proximity sensors and their respective sensor zone
Method and device for monitoring body movement by detecting pattern changes in the distance variations between proximity sensors and their respective sensor zone
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机译:通过检测接近传感器及其相应传感器区域之间的距离变化中的模式变化来监视身体运动的方法和设备
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摘要
A method and device (10) are provided for monitoring regular movement of the body (20) of a human subject, such as an infant. The device (10) includes electronic circuitry, an alarm and attachment means (14) for attaching to the subject's body (18), a first non-contact proximity sensor (22), and a second proximity sensor. When the device (10) is attached to the subject's body, the two proximity sensors (22,24) monitor movement of the subject's body in two sensor zones a first sensor zone (23) and a second sensor zone (25) that is father from the device than the first sensor zone (23). If a pattern in the distances monitored in either sensor (22,24) changes by a predetermined extent, that alarm is activated.
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