System and method for interference and motion detection from dark periods
US11633116B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Apr 27, 2020 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Mar 4, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/6826
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems and methods for interference and motion detection from dark periods are provided, including analysis of a physiological signal to determine a physiological parameter of a subject, using a photoplethysmography system to monitor signals during an LED-off period to identify interference or motion artifacts in the signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.