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apparatus for detecting a user's fall, pressure sensor for measuring atmospheric pressure, method for detecting a user's fall and method for measuring atmospheric pressure
apparatus for detecting a user's fall, pressure sensor for measuring atmospheric pressure, method for detecting a user's fall and method for measuring atmospheric pressure
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机译:用于检测用户跌倒的设备,用于测量气压的压力传感器,用于检测用户跌倒的方法和用于测量气压的方法
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摘要
This invention relates to methods and apparatus for detecting a fall of a user, especially to methods and apparatus for detecting a fall of a user by using pressure sensors. This invention discloses an apparatus for detecting a fall of a user, and the apparatus comprises first and second pressure sensors configured to obtain first and second data values of atmosphere pressure and intended to be worn on the body of the user, and a processor configured to derive a third data value of atmosphere pressure for determining whether a fall occurs or not from the first and second data values of atmosphere pressure. The first and second pressure sensors are configured in a way such that preset orientations of the first and second pressure sensors are opposite to each other. In this way, the weight of measuring elements comprised in the first and second pressure sensors have opposite effects on the measured atmosphere pressure, and thus (?) the measurement error caused by pressure sensor orientation variation can be reduced or even eliminated.
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