Device, system and method for determining at least one vital sign of a subject

Calina Ciuhu (Inventor), Caifeng Shan (Inventor), Gerard de Haan (Inventor), Marco Lai (Inventor)

Research output: PatentPatent publication

Abstract

The present invention relates to a device, system and method for determining at least one vital sign of a subject. To solve the motion robustness problem of known solutions, the device comprises a receiver (210) configured to receive electromagnetic radiation reflected from a skin region of a subject, a polarization unit (220) configured to apply a first polarization on the received electromagnetic radiation to generate first polarized radiation and to apply a second polarization, which is different from the first polarization, on the received electromagnetic radiation to generate second polarized radiation, a sensor unit (230) configured to generate a first detection signal having a first polarization direction from the first polarized radiation and a second detection signal having a second polarization direction, which is different from the first polarization direction, from the second polarized radiation, and a vital sign determination unit (240) configured to determine a vital sign from the two detection signals by combining the two detection signals.
Original languageEnglish
Patent numberWO2019185375
Priority date27/03/18
Filing date15/03/19
Publication statusPublished - 3 Oct 2019

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