Pulse photometer
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United States of America Patent
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Jan 2, 2018
Grant Date -
Oct 1, 2015
app pub date -
Mar 19, 2015
filing date -
Mar 28, 2014
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Abstract
A pulse photometer includes a light emitter, a light detector, a first signal separator that separates a first signal component and a first noise component, a second signal separator that separates a second signal component and a second noise component, a first determining section, a second determining section, and a concentration calculating section that calculates a concentration of a light absorption material in blood of the subject based on a fundamental frequency of the first signal component or a fundamental frequency of the second signal component.
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