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Paper Abstract and Keywords
Presentation 2020-03-06 11:15
Development of 5.8 GHz dual circularly polarized antenna with integrated a feeding circuit
Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2019-63
Abstract (in Japanese) (See Japanese page) 
(in English) In microwave power transmission to mobile objects, a system become simple and small if antennas for the transmitting and pilot signals can be integrated into one antenna.
In this paper, we developed a 5.8 GHz dual circularly polarized antenna with short vias loaded into the ring patch antenna.
The feeding circuit to excite dual circular polarizations is integrated in the innner of the antenna.The measured isolation between input ports for each polarization is -29.2 dB, achieving good circular polarization characteristics with an axial ratio of 0.6 or less for both polarizations.
Keyword (in Japanese) (See Japanese page) 
(in English) antenna / circular polarization / microwave power transmission / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 465, WPT2019-63, pp. 29-32, March 2020.
Paper # WPT2019-63 
Date of Issue 2020-02-28 (WPT) 
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 WPT  
Conference Date 2020-03-06 - 2020-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To WPT 
Conference Code 2020-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of 5.8 GHz dual circularly polarized antenna with integrated a feeding circuit 
Sub Title (in English)  
Keyword(1) antenna  
Keyword(2) circular polarization  
Keyword(3) microwave power transmission  
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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 2020-03-06 11:15:00 
Presentation Time 20 minutes 
Registration for WPT 
Paper # WPT2019-63 
Volume (vol) vol.119 
Number (no) no.465 
Page pp.29-32 
#Pages
Date of Issue 2020-02-28 (WPT) 


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