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Paper Abstract and Keywords
Presentation 2018-05-10 11:00
Mechanism of Folding/Unfolding Type Receiving Coil Capable of Changing Only the Coupling Factor with Keeping the Coupled Coil Distance Constant
Hideaki Abe EE2018-2
Abstract (in Japanese) (See Japanese page) 
(in English) The author has studied the possibility of new usage in the wireless power transfer. This paper shows a system that can receive two different voltages and powers with one receiving coil. This is a mechanism to change the receiving voltage and the receiving power by changing the geometric shape of the receiving coil in two ways while keeping the distance between the transmitting and receiving coils constant. The author studied ways to change only the coupling coefficient while maintaining the same self-inductance for both shapes. Based on the magnetic circuit theory, tried the prototype experiment by conceiving of two methods which make this possible. As a result, it has been proved the method of switching the two forms of the receiving coil in the folded state and in the unfolded state has the target magnetic characteristics and good power receiving performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / Folding Coil / Expansion Coil / Shared Power Receiving Coil / Magnetic Circuit / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 21, EE2018-2, pp. 7-12, May 2018.
Paper # EE2018-2 
Date of Issue 2018-05-03 (EE) 
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 EE2018-2

Conference Information
Committee EE IEE-HCA  
Conference Date 2018-05-10 - 2018-05-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Science 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Switching power supply, New industrial and home appliance for power, others 
Paper Information
Registration To EE 
Conference Code 2018-05-EE-HCA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mechanism of Folding/Unfolding Type Receiving Coil Capable of Changing Only the Coupling Factor with Keeping the Coupled Coil Distance Constant 
Sub Title (in English) * 
Keyword(1) Wireless Power Transfer  
Keyword(2) Folding Coil  
Keyword(3) Expansion Coil  
Keyword(4) Shared Power Receiving Coil  
Keyword(5) Magnetic Circuit  
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1st Author's Name Hideaki Abe  
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Speaker Author-1 
Date Time 2018-05-10 11:00:00 
Presentation Time 30 minutes 
Registration for EE 
Paper # EE2018-2 
Volume (vol) vol.118 
Number (no) no.21 
Page pp.7-12 
#Pages 6 
Date of Issue 2018-05-03 (EE) 

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