American Journal of Circuits, Systems and Signal Processing
Articles Information
American Journal of Circuits, Systems and Signal Processing, Vol.6, No.1, Mar. 2021, Pub. Date: Jun. 2, 2021
Methods for Detecting and Taking Human Sphygmosignals
Pages: 1-5 Views: 159 Downloads: 54
Authors
[01] Xakimjon Nasritdinovich Zaynidinov, Information Technology Department, The Tashkent University of Information Technologies, Tashkent, Uzbekistan.
[02] Azambek Abdullaevich Turakulov, The Namangan Institute of Engineering and Technology, Namangan, Uzbekistan.
[03] Fotima Tuychibaevna Mullajonova, The Namangan Institute of Engineering and Technology, Namangan, Uzbekistan.
Abstract
Currently, there are a lot of methods for measuring the signals of human heart activity. Among of them, the electrocardiogram is the most informative. But, the making a cardiogram requires special equipment, which have relatively large dimensions and special conditions. In addition, cardiograms are usually made after a person has some clear signs of heart disease. Monitoring of heart activity using a sphygmogram is less informative than a cardiogram, but it has some advantages, such as ease and accessibility of measurement for each person who does not have special medical knowledge and training, the ability to develop portable measuring devices of small size like a wristwatch, daily monitoring without special conditions. In this article it is described some known methods and devices for detecting and taking biosignals (sphygmosignals) at the radial artery which result from heartbeat: the fingers aided method, the first mechanical sphygmograph, inductive coil method, using a device with capacitive sensor, with piezoelectric sensor, an optical heart rate sensor, an infrared ray sensor. Also, some new methods and devices of detecting and taking the radial artery pulse signals using a strain gauge, Hall magnetic sensor, laser distance measurer are suggested. As a result of using the above methods it may be taken sphygmosignals as a finite numerical sequence of discrete analog signals suitable for processing. And received signals can also serve to monitor the activity of the heart.
Keywords
Cardiosignals, Sphygmography, Radial Artery Sensor, Discrete Biosignal, Heart Rate Sensor
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