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Development of an algorithm and a sensor to monitor the heart rate by volumetric measurement techniques

  • The person’s heart rate is an important indicator of their health status. A heart rate that is too high or too low could be a sign of several different diseases, such as a heart disorder, obesity, asthma, or many others. Many devices require users to wear the device on their chest or place a finger on the device. The approach presented in this paper describes the principle and implementation of a heart rate monitoring device, which is able to detect the heart rate with high precision with the sensor integrated in a wristband. One method to measure the heart rate is the photoplethysmogram technique. This method measures the change of blood volume through the absorption or reflection of light. A light emitting diode (LED) shines through a thin amount of tissue. A photo-diode registers the intensity of light that traverses the tissue or is reflected by the tissue. Since blood changes its volume with each heartbeat, the photo-diode detects more or less light from the LED. The device is able to measure the heart rate with a high precision, it has low performance and hardware requirements, and it allows an implementation with small micro-controllers.

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Author:Jens Gansloser, Ralf SeepoldORCiDGND
Parent Title (English):Mobile Networks for Biometric Data Analysis
Place of publication:Cham
Document Type:Part of a Book
Year of Publication:2016
Identifier:Im Katalog der Hochschule Konstanz ansehen
Release Date:2018/01/24
First Page:79
Last Page:89
Open Access?:Nein
Licence (German):License LogoUrheberrechtlich geschützt