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Paper Abstract and Keywords
Presentation 2020-01-24 11:20
A Study of Circuit Configuration for Common Mode Noise Reduction in Wearable ECG
Keisuke Koike, Jianqing Wang, Daisuke Anzai (NIT) EMCJ2019-84
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, along with the problems of aging population, application to the field of medical and health care of wearable body area network (BAN) is expected. Here, we focus on monitoring of electrocardiogram (ECG) signal in daily life which aims at early detection of heart disease and the grasp of the health state. A problem in case of the continuous monitoring of ECG signal is the distortion of ECG due to convertion of common mode noise caused by external electromagnetic field into differential mode interference voltage when there is imbalance between the contact resistances of ECG signal detection electrodes. Therefore, in this study, we developed a circuit to reduce the differential mode interference voltage cause by the common mode noise. On the basis of a circuit with Cadmium Sulfide (CdS) photo-resistors in our previous study, we employed the digital potentiometer (DPOT) for the noise reduction circuit in terms of miniaturization and operability. We confirmed its validity by experiment with a wearable ECG implemented with the proposed circuit. As a result, we found that the interference voltage can be effectively reduced.
Keyword (in Japanese) (See Japanese page) 
(in English) ECG signal / daily monitoring / common mode / differential mode / digital potentiometer / noise reduction circuit / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 387, EMCJ2019-84, pp. 17-21, Jan. 2020.
Paper # EMCJ2019-84 
Date of Issue 2020-01-17 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ IEE-EMC  
Conference Date 2020-01-24 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2020-01-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Circuit Configuration for Common Mode Noise Reduction in Wearable ECG 
Sub Title (in English)  
Keyword(1) ECG signal  
Keyword(2) daily monitoring  
Keyword(3) common mode  
Keyword(4) differential mode  
Keyword(5) digital potentiometer  
Keyword(6) noise reduction circuit  
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Keyword(8)  
1st Author's Name Keisuke Koike  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Jianqing Wang  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
3rd Author's Name Daisuke Anzai  
3rd Author's Affiliation Nagoya Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2020-01-24 11:20:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2019-84 
Volume (vol) vol.119 
Number (no) no.387 
Page pp.17-21 
#Pages
Date of Issue 2020-01-17 (EMCJ) 


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