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Paper Abstract and Keywords
Presentation 2009-09-03 13:00
A new wireless connection system through inductive electric field
Tomohiro Maruchi, Naoki Inagaki, Katsuyuki Fujii (Nanzan Univ.) AP2009-84
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, wireless power transmission technology is gaining increased attention. We have already reported a wireless connection system through inductive magnetic field (WCS-IMF), where the power transmission is switched on and off by loading and unloading the negative reactance to the input ports to balance the positive reactances of the transmitter and the receiver to get resonance. The Q factors of transmitting and receiving antennas should be sufficiently large for the power transfer between the transmitter and the receiver to be high.
The present report discusses wireless connection system through inductive electric field (WCS-IEF). WCS-IMF and WCS-IEF are reciplocal to each other.
For transmitter and receiver optimum design, the concept of conjugate image admittance has been introduced. The optimum port impedances and the optimum load reactances are expressed in terms of the admittance matrix parameters of the transmitter-receiver system including the antennas and the space. Examples are presented for dipoles of colinear and side-by-side arrangements, and for inversed L type antennas. In the latter case, the optimum port impedances may be as large as 50 ohms.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless connection / power transmission efficiency / conjugate-image admittance / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 183, AP2009-84, pp. 29-34, Sept. 2009.
Paper # AP2009-84 
Date of Issue 2009-08-27 (AP) 
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 AP  
Conference Date 2009-09-03 - 2009-09-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Hachinohe Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2009-09-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A new wireless connection system through inductive electric field 
Sub Title (in English)  
Keyword(1) wireless connection  
Keyword(2) power transmission efficiency  
Keyword(3) conjugate-image admittance  
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1st Author's Name Tomohiro Maruchi  
1st Author's Affiliation Nanzan University (Nanzan Univ.)
2nd Author's Name Naoki Inagaki  
2nd Author's Affiliation Nanzan University (Nanzan Univ.)
3rd Author's Name Katsuyuki Fujii  
3rd Author's Affiliation Nanzan University (Nanzan Univ.)
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Speaker
Date Time 2009-09-03 13:00:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2009-84 
Volume (vol) IEICE-109 
Number (no) no.183 
Page pp.29-34 
#Pages IEICE-6 
Date of Issue IEICE-AP-2009-08-27 


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