PPG SENSOR HAVING A HIGH SIGNAL TO NOISE RATIO

PPG SENSOR HAVING A HIGH SIGNAL TO NOISE RATIO

A photoplethysmography (PPG) sensor (100) configured to be worn on a user's body (300), the PPG sensor (100) comprising: a sensing portion (110) comprising an optical emitter (101) configured to emit an emitted light (201) toward the user's body (300), and an optical detector (102) for det...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BERTSCHI MATTIA, VYBORNOVA ANNA, GROSSENBACHER OLIVIER, CHAPUIS VALENTIN, SOLA I CAROS JOSEP MARIA, DE MARCO BASTIEN, SIUTRYK NADEGE, FALLET SIBYLLE, OLIVERO ELISA
Format: Patent
Sprache:chi ; eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A photoplethysmography (PPG) sensor (100) configured to be worn on a user's body (300), the PPG sensor (100) comprising: a sensing portion (110) comprising an optical emitter (101) configured to emit an emitted light (201) toward the user's body (300), and an optical detector (102) for detecting a detector light (202) reflected or scattered from the tissue, such as to provide a PPG signal; and an interfacing portion (120) comprised between the sensing portion (110) and the user's body (300), the interfacing portion (120) comprising a transparent interface element (104)through which the emitted light (201) is transmitted when traveling from the optical emitter (101) toward the body (300), and through which the detector light (202) is transmitted when traveling from the body (300) to the optical detector (102), wherein the transparent interface element (104)has an interface transmittance (T1); and the transparent interface element (104) comprising an antireflective interface (106) being configured such that an