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Paper Abstract and Keywords
Presentation 2021-02-22 13:25
Sound Emission Characteristics of Compact Circular Vibrating Plate Type Ultrasonic Source with an Arched Strut
Hiroki Monzen, Takuya Asami, Hikaru Miura (Nihon Univ.) US2020-67
Abstract (in Japanese) (See Japanese page) 
(in English) Since aerial ultrasonic sensors are required to be small, it is difficult to generate powerful sound waves. In this study, we aim to develop a sound source that emits powerful sound waves in one direction while being small in size. We have shown that by grooving a part of a uniform rod, the vibrating surface can be made to vibrate in the same direction with a large amplitude and without any nodes of vibration, which enables us to obtain sound waves with high sound pressure in the far frontal direction despite the small size. In this report, the emission characteristics of the sound wave are examined. As a result, an unprecedentedly high sound pressure was obtained in the vertical direction of the vibration plane with unidirectional characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Aerial ultrasonic / Uni-directionality / Intense sound waves / Compact circular vibrating plate / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 377, US2020-67, pp. 5-9, Feb. 2021.
Paper # US2020-67 
Date of Issue 2021-02-15 (US) 
ISSN 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 US  
Conference Date 2021-02-22 - 2021-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2021-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sound Emission Characteristics of Compact Circular Vibrating Plate Type Ultrasonic Source with an Arched Strut 
Sub Title (in English)  
Keyword(1) Aerial ultrasonic  
Keyword(2) Uni-directionality  
Keyword(3) Intense sound waves  
Keyword(4) Compact circular vibrating plate  
1st Author's Name Hiroki Monzen  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Takuya Asami  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Hikaru Miura  
3rd Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2021-02-22 13:25:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2020-67 
Volume (vol) vol.120 
Number (no) no.377 
Page pp.5-9 
Date of Issue 2021-02-15 (US) 

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