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Paper Abstract and Keywords
Presentation 2017-03-06 14:25
Study of a Transmitting Antenna for High Efficiency Transmission in the Radiative Near Field
Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2016-69
Abstract (in Japanese) (See Japanese page) 
(in English) In the radiative near field, electric fields mutually cancel each other on a receiving plane because of the phase difference between the center and the edge of a transmitting plane. In this paper, we investigated whether high efficiency can be realized by setting the electric fields to 0 of transmitting plane corners. As the result, the beam collection efficiency was improved in the theoretical calculation and in the case of an array antenna. Further, we calculated the phase difference between the center and the corner of a transmitting plane in the distance where the high efficiency was realized. We found the efficiency is improved in the distance where the phase difference is larger than 1.3 rad if the corner size is about 4 % or less of a transmitting plane.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transfer / Antenna / Radiative near field / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 499, WPT2016-69, pp. 19-23, March 2017.
Paper # WPT2016-69 
Date of Issue 2017-02-27 (WPT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee WPT  
Conference Date 2017-03-06 - 2017-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. Uji Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Power Transfer, SPS Technology, etc. 
Paper Information
Registration To WPT 
Conference Code 2017-03-WPT 
Language Japanese without English title) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of a Transmitting Antenna for High Efficiency Transmission in the Radiative Near Field 
Sub Title (in English)  
Keyword(1) Wireless power transfer  
Keyword(2) Antenna  
Keyword(3) Radiative near field  
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1st Author's Name Seishiro Kojima  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Naoki Shinohara  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Tomohiko Mitani  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2017-03-06 14:25:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2016-69 
Volume (vol) vol.116 
Number (no) no.499 
Page pp.19-23 
#Pages
Date of Issue 2017-02-27 (WPT) 


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