Optical respiration rate detection device
US11701027B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | May 15, 2019 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Apr 14, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0219
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A respiration rate detection device including a photoplethysmography (PPG) detector, an acceleration detector and a processing unit is provided. The processing unit calculates an acceleration peak frequency in an acceleration frequency spectrum, and takes a PPG acceleration peak frequency in a PPG frequency spectrum corresponding to the acceleration peak frequency as a respiration rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.