Development of miniaturized textile electrode for measuring heart electric activity

Young Jae Lee, Jeong Whan Lee, Heui Kyung Yang, Joo Hyeon Lee, Da Hye Kang, Hyun Seung Cho, Ihn Seok Ahn

Research output: Contribution to journalArticlepeer-review


Wearable ECG monitoring is regarded as one of the most essential part in the ubiquitous healthcare environment and subsequently day-life monitoring of a heart condition has been pursued especially for the elder people. However, there are many problems to accomplish this task such as; i) implementation of long-term monitoring device, ii) development of non-irritating electrode on skin and iii) stable signal acquisition. With these aims, we have focused on implementing a non-irritating electrode with an endurable monitoring device for day-life. To accomplish our tasks, we basically developed four different types of textile electrodes that are adapted by both shape and the composed material; flat or convex shape and Ag-conductive paste material or not. It turns out to be that a convex shape and Ag-paste textile electrode has the best performance in terms of both signal-to-noise ratio (SNR) and Impedance/Phase characteristics. Furthermore, ECG amplifier (35 mm) has developed to resolve the ECG signal and transfer the signal to desktop computing device or portable one by RF serial communication.

Original languageEnglish
Pages (from-to)1186-1193
Number of pages8
JournalTransactions of the Korean Institute of Electrical Engineers
Issue number6
Publication statusPublished - 2009 Jun

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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