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Multi-channel photoplethysmography sensor |
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Intermeshing light barrier features in optical physiological parameter measurement device |
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Intermeshing light barrier features in optical physiological parameter measurement device |
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Intermeshing light barrier features in optical physiological parameter measurement device |
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2017-08-29 |
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Heart rate sensor with high-aspect-ratio photodetector element |
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2016-07-19 |
