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Paper Abstract and Keywords
Presentation 2024-05-11 13:30
Developed an artificial light sensor that is robust to changes in ambient light and easy to adjust sensitivity -- Aiming to monitor indoor activities of people living alone --
Haruto Hayashi, Kazuki Nakajima (Univ.Toyama) MBE2024-1
Abstract (in Japanese) (See Japanese page) 
(in English) A monitoring system using a small device and sensors has been developed and operated to monitor over the lives of elderly people living alone by their families. To prevent false responses due to strong ambient light from the sun, light sensors for monitoring indoor lighting conditions require nervous sensitivity adjustment. This study aimed to develop an artificial light sensor that is robust to changes in ambient light and can be easily adjusted for sensitivity. The sensitivity to ambient light can be easily adjusted by using a low-pass filter circuit and light-shielding films. Artificial light was detected by identifying the peak frequency component of the light waveform, which was found to be 120 Hz. This method provides stable detection of artificial light without requiring subtle sensitivity adjustments, representing an improvement over previous studies.
Keyword (in Japanese) (See Japanese page) 
(in English) monitoring system for elderly people living alone / change in ambient light / easy sensitivity adjustment / artificial light sensor / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 17, MBE2024-1, pp. 1-6, May 2024.
Paper # MBE2024-1 
Date of Issue 2024-05-04 (MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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)
Download PDF MBE2024-1

Conference Information
Committee MBE  
Conference Date 2024-05-11 - 2024-05-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME 
Paper Information
Registration To MBE 
Conference Code 2024-05-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Developed an artificial light sensor that is robust to changes in ambient light and easy to adjust sensitivity 
Sub Title (in English) Aiming to monitor indoor activities of people living alone 
Keyword(1) monitoring system for elderly people living alone  
Keyword(2) change in ambient light  
Keyword(3) easy sensitivity adjustment  
Keyword(4) artificial light sensor  
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1st Author's Name Haruto Hayashi  
1st Author's Affiliation University of Toyama (Univ.Toyama)
2nd Author's Name Kazuki Nakajima  
2nd Author's Affiliation University of Toyama (Univ.Toyama)
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Speaker Author-1 
Date Time 2024-05-11 13:30:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2024-1 
Volume (vol) vol.124 
Number (no) no.17 
Page pp.1-6 
#Pages 6 
Date of Issue 2024-05-04 (MBE) 

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