The development of heart rate monitor using finger detector / Hanif Baki

This paper presents the development of heart rate monitoring using finger detector. The portable hardware consists of circuit design for heart rate is developed as a medical tool to measure the cardiovascular pulse wave that is found throughout the human body. An ordinary infrared LED / photodetecto...

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Bibliographic Details
Main Author:	Baki, Hanif
Format:	Thesis
Language:	English
Published:	2006
Subjects:	Diseases of the circulatory (Cardiovascular) system
Online Access:	https://ir.uitm.edu.my/id/eprint/102921/1/102921.pdf
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id	my-uitm-ir.102921
record_format	uketd_dc
spelling	my-uitm-ir.1029212024-12-02T03:19:34Z The development of heart rate monitor using finger detector / Hanif Baki 2006 Baki, Hanif Diseases of the circulatory (Cardiovascular) system Detectors. Sensors. Sensor networks This paper presents the development of heart rate monitoring using finger detector. The portable hardware consists of circuit design for heart rate is developed as a medical tool to measure the cardiovascular pulse wave that is found throughout the human body. An ordinary infrared LED / photodetector can sense this rhythmic change as small as but detectable variation in skin contrast. When gently held against the skin (too much pressure will flatten the surface capillaries and suppress the pulsation effect), some of the radiation from LED, reflects back into photodetector. Photodetector produces an analogue pulse for every 1% change in skin reflectance. This logarithmic relationship is constant over many orders of magnitude of photodetector. Consequently, reliable circuit operation is possible despite wide variations n skin contrast and light level. Oscilloscope is used to monitor the heart rate signal. 2006 Thesis https://ir.uitm.edu.my/id/eprint/102921/ https://ir.uitm.edu.my/id/eprint/102921/1/102921.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
topic	Diseases of the circulatory (Cardiovascular) system Diseases of the circulatory (Cardiovascular) system
spellingShingle	Diseases of the circulatory (Cardiovascular) system Diseases of the circulatory (Cardiovascular) system Baki, Hanif The development of heart rate monitor using finger detector / Hanif Baki
description	This paper presents the development of heart rate monitoring using finger detector. The portable hardware consists of circuit design for heart rate is developed as a medical tool to measure the cardiovascular pulse wave that is found throughout the human body. An ordinary infrared LED / photodetector can sense this rhythmic change as small as but detectable variation in skin contrast. When gently held against the skin (too much pressure will flatten the surface capillaries and suppress the pulsation effect), some of the radiation from LED, reflects back into photodetector. Photodetector produces an analogue pulse for every 1% change in skin reflectance. This logarithmic relationship is constant over many orders of magnitude of photodetector. Consequently, reliable circuit operation is possible despite wide variations n skin contrast and light level. Oscilloscope is used to monitor the heart rate signal.
format	Thesis
qualification_level	Bachelor degree
author	Baki, Hanif
author_facet	Baki, Hanif
author_sort	Baki, Hanif
title	The development of heart rate monitor using finger detector / Hanif Baki
title_short	The development of heart rate monitor using finger detector / Hanif Baki
title_full	The development of heart rate monitor using finger detector / Hanif Baki
title_fullStr	The development of heart rate monitor using finger detector / Hanif Baki
title_full_unstemmed	The development of heart rate monitor using finger detector / Hanif Baki
title_sort	development of heart rate monitor using finger detector / hanif baki
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2006
url	https://ir.uitm.edu.my/id/eprint/102921/1/102921.pdf
_version_	1818588062006902784

The development of heart rate monitor using finger detector / Hanif Baki

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