Abstract

Solitary death of elderly people is recognized as social problem in Japan. There is a real need for a new device to monitor the health condition of elderly people. In this study, we made a health monitoring system by measuring a body conduction sound. The system consists of a measurement device and a server. The device consists of a body conduction sound sensor, a microcontroller and a Wi-Fi module. The server indicates the measurement result as a graph and derives the pulse rate from the autocorrelation result of the measurement data. The measurement data are sent to the separated server using Wireless LAN. The efficacy of the system is confirmed by the measurement of a body conduction sound.

Highlights

  • Solitary death of elderly people is recognized as social problem in Japan

  • The system consists of a measurement device and a server

  • The device consists of a body conduction sound sensor, a microcontroller and a WiFi module

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Summary

Introduction

Solitary death of elderly people is recognized as social problem in Japan. It is difficult to substantiate a system which monitor them using camera because of lack of privacy. A sound that produced and propagated inside of the body is measured by a body conduction sound sensor that is put on the body surface. NAM microphone can be produced more cheaply than the electronic stethoscope, and has an advantage in commercialization. It is expected that a system which examines the health condition at a distant place, which diagnoses an internal disease are developed by combining the body conduction sound sensor with a microcomputer, and the system would be small and not get in the way of daily life. We made a health monitoring system by measuring a body conduction sound. The system consists of a measurement device and a server. The device consists of a body conduction sound sensor, a microcontroller and a WiFi module. The body conduction sound sensor are made using electret condenser microphone (ECM). The efficacy of the system is confirmed by the measurement of a body conduction sound

Body conduction sound sensor
Server
Experiment
Conclusions

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