RESPIRATORY SENSOR AND EXHALED/INHALED AIR DETECTION METHOD
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jun 13, 2024
filing date -
Feb 7, 2022
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Abstract
A respiratory sensor includes: a light wave circuit including a light projecting unit that emits light toward exhaled air or inhaled air and a light receiving unit that receives the light emitted by the light projecting unit, and formed on a semiconductor wafer; and a detection unit that detects a state of the exhaled air or the inhaled air from the light received by the light receiving unit.
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