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Paper Abstract and Keywords
Presentation 2021-01-22 13:15
A Study on Common-mode Noise Reduction for Noncontact Biopotential Acquisition Circuit
Minghui Chen, Jianqing Wang, Daisuke Anzai (NIT), Georg Fischer, Jens Kirchner (FAU) EMCJ2020-64
Abstract (in Japanese) (See Japanese page) 
(in English) Biopotential sensing technology with electrodes has a great future in healthcare and human-machine interface, whereas comfort and longevity are two significant problems during usage. Noncontact electrode is a promising alternative to achieve more comfortable and long term biopotential signal recordings than contact electrode. However, it could pick up significantly higher level of common-mode (CM) noise, which is hardly solved with passive filtering. The impedance imbalance at electrode-body interface is a limiting factor of this problem. In this work, we propose a practical approach to detect and monitor the electrode-body impedance imbalance change. Comparing with conventional approach, it has certain advantage in interference immunity, and good linearity for capacitance. Lastly, we show experimental evaluation results on the design. The results indicated the validity and feasibility of the approach.
Keyword (in Japanese) (See Japanese page) 
(in English) common-mode noise / noncontact electrode / electrode-body interface / biopotential acquisition / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 333, EMCJ2020-64, pp. 1-6, Jan. 2021.
Paper # EMCJ2020-64 
Date of Issue 2021-01-15 (EMCJ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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  
Conference Date 2021-01-22 - 2021-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2021-01-EMCJ 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Common-mode Noise Reduction for Noncontact Biopotential Acquisition Circuit 
Sub Title (in English)  
Keyword(1) common-mode noise  
Keyword(2) noncontact electrode  
Keyword(3) electrode-body interface  
Keyword(4) biopotential acquisition  
1st Author's Name Minghui Chen  
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)
4th Author's Name Georg Fischer  
4th Author's Affiliation Friedrich-Alexander University of Erlangen-Nuremberg (FAU)
5th Author's Name Jens Kirchner  
5th Author's Affiliation Friedrich-Alexander University of Erlangen-Nuremberg (FAU)
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Date Time 2021-01-22 13:15:00 
Presentation Time 25 
Registration for EMCJ 
Paper # IEICE-EMCJ2020-64 
Volume (vol) IEICE-120 
Number (no) no.333 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2021-01-15 

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