Respiratory monitoring apparatus, method and device
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United States of America Patent
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Jan 5, 2021
Grant Date -
Oct 5, 2017
app pub date -
May 22, 2017
filing date -
Nov 21, 2014
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Abstract
A respiratory monitoring apparatus comprises at least one motion sensor and a processing device. The at least one motion sensor senses an angular motion of a measured part capable of indicating a respiratory motion, and outputs an angular velocity vector of the measured part; the processing device, connected to the motion sensor, extracts a respiratory angular velocity from the angular velocity vector, and acquires a respiratory wave according to the respiratory angular velocity.
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