Patent · US Active

Method for estimating a cardiac frequency and associated device

US9778111B2 · kind B2 · utility

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11Claims

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Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Sylvain Stanchina · Grenoble, FR
Anne Koenig · Meylan, FR

Key dates

Filing date	Feb 28, 2017
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Feb 28, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/3129
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention is a method for estimating a cardiac frequency via the detection of radiation backscattered or transmitted by a bodily zone. The part is illuminated, simultaneously or successively, by light radiation extending over a first spectral band and a second spectral band. A photodetector detects radiation emitted by the bodily zone under the effect of its illumination, in each of the spectral bands. A first detection function and a second detection function are formed from the radiation detected in each spectral band, respectively. The method allows the cardiac frequency to be determined via the determination of characteristic instants that are identified from the first detection function and the second detection function simultaneously.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.