DEVICE AND METHOD FOR RESPIRATORY EXERCISE
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United States of America Patent
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Dec 31, 2015
app pub date -
Feb 20, 2014
filing date -
Feb 20, 2013
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Abstract
The respiratory exercise device comprises means for detecting the respiration of a person and it is characterized in that said means for detecting the respiration of a person comprises a turbine whistle (3) which generates a variable frequency sound as a function of the air flow which passes through the same and a microphone (4) which captures said variable frequency sound generated by the turbine whistle (3).
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