Coriolis effect-based mass flow meters/controllers using optical sensing and methods having improved accuracy
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United States of America Patent
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Apr 11, 2023
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N/A
app pub date -
Jun 19, 2020
filing date -
Jun 19, 2020
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Abstract
An example optical measurement system includes: a first light source configured to emit a first light beam; a first optical sensor configured to output first measurements based on detecting the first light beam; a second light source configured to emit a second light beam; a second optical sensor configured to output second measurements based on detecting the second light beam, wherein the first measurements and the second measurements comprise variable components; a third optical sensor configured to output third measurements based on detecting the second light beam or a third light beam, wherein the third measurements comprise a first steady state component; and a compensation circuit configured to control a first light output of the first light beam and a second light output of the second light beam by controlling current to the first light source and the second light source based on the third measurements.
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