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Paper Abstract and Keywords
Presentation 2010-05-28 14:00
Influence of Real Use Conditions of Wireless Power Supply Circuit for Mobile Phone
Kazuhiko Takeno, Haruo Uemura (NTT DOCOMO) EE2010-1
Abstract (in Japanese) (See Japanese page) 
(in English) To easily charge mobile phones comfortably, Wireless power supply technologies using Electromagnetic induction have been discussed recently. In wireless power supply technologies, the mobile phone and the charging holder on the side of the transformer conventionally included in the AC adapter are spatially separated, a thin coil is incorporated in both the holder and the mobile terminal, and power is transmitted by bringing the two coils in proximity to each other. In this paper, we have measured the influence of the position gap between the both of plane indictors, charging environment and emission noise properties. As results, we showed that problems of the practical use are the influence of the wide gap between both inductors, and the influence of the materials under the charging holder.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile phone / Wireless power supply / Plane indictor / Electromagnetic induction / Position gap / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 65, EE2010-1, pp. 31-36, May 2010.
Paper # EE2010-1 
Date of Issue 2010-05-21 (EE) 
ISSN Print edition: ISSN 0913-5685    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 EE2010-1

Conference Information
Committee EE IEE-IEA  
Conference Date 2010-05-28 - 2010-05-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2010-05-EE-IEA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of Real Use Conditions of Wireless Power Supply Circuit for Mobile Phone 
Sub Title (in English)  
Keyword(1) Mobile phone  
Keyword(2) Wireless power supply  
Keyword(3) Plane indictor  
Keyword(4) Electromagnetic induction  
Keyword(5) Position gap  
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1st Author's Name Kazuhiko Takeno  
1st Author's Affiliation NTT DOCOMO (NTT DOCOMO)
2nd Author's Name Haruo Uemura  
2nd Author's Affiliation NTT DOCOMO (NTT DOCOMO)
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Speaker Author-1 
Date Time 2010-05-28 14:00:00 
Presentation Time 30 minutes 
Registration for EE 
Paper # EE2010-1 
Volume (vol) vol.110 
Number (no) no.65 
Page pp.31-36 
#Pages 6 
Date of Issue 2010-05-21 (EE) 

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