FEEDBACK PHOTOPLETHYSMOGRAPHY MEASURING DEVICE AND MEASURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 27, 2017
app pub date -
Jun 13, 2016
filing date -
Jan 22, 2016
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Abstract
A feedback photoplethysmography measuring device is provided, including: a measuring device that measures a human body to obtain a photoplethysmography signal; an analog/digital conversion unit that converts the photoplethysmography signal measured by the measuring device to a photoplethysmography value which is a digital value; a variation-degree calculation unit that calculates a photoplethysmography variation value according to the photoplethysmography value converted by the analog/digital conversion unit; and a feedback emitted light amplitude adjustment unit that controls the measuring device according to a plurality of preset control values or the adjusted photoplethysmography variation value calculated by the variation-degree calculation unit, and adjusts the photoplethysmography variation value to a minimum variation value.
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