Optical sensor module for speckleplethysmography (SPG) and photoplethysmography (PPG)
US12390117B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 1, 2022 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | May 19, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/02405
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An optical sensor module for measuring both speckleplethysmography (SPG) and photoplethysmography (PPG) signals at human or animal tissue, the optical sensor module comprising:a first light source, for illuminating the tissue for use with SPG measurements, the first light source comprising a laser; a second light source, for illuminating the tissue for use with PPG measurements; and one or more optical sensor(s) for receiving light from the illuminated tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.