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Paper Abstract and Keywords
Presentation 2019-04-22 13:55
Study of energy harvesting applying the principle of array antenna
Tamami Maruyama (NIT, Hakodate College) WPT2019-3 MW2019-3
Abstract (in Japanese) (See Japanese page) 
(in English) bstract For one of simple energy harvesting using microwave, it is well known that LED that soldered rectifier diode lights by radio waves leaking from a microwave oven, WiFi, etc. The rectifier diode operates as a half-wave dipole antenna to receive radio waves, which is rectified to change to DC power. However, since radio waves floating in the air are weak, it is difficult to obtain energy that can turn on the LED away from the wave source. On the other hand, in the Yagi-Uda antenna, the parasitic element acts as a director and current can flow to the element far from the conductor. This paper proposes applying the principle of Yagi-Uda array antenna theory to energy harvesting using wireless power transmission. Simulation and experimental results show that we achieved lighten the LEDs at a distance from the wave source and to increase the number of LEDs to be lit simultaneously.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transmission / WPT / Energy harvesting, / IoT / Yagi-Uda antenna / directive element, / kQ product. /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 11, WPT2019-3, pp. 13-15, April 2019.
Paper # WPT2019-3 
Date of Issue 2019-04-15 (WPT, MW) 
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 WPT2019-3 MW2019-3

Conference Information
Committee WPT MW  
Conference Date 2019-04-22 - 2019-04-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, Wireless Power Transfer, etc. 
Paper Information
Registration To WPT 
Conference Code 2019-04-WPT-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of energy harvesting applying the principle of array antenna 
Sub Title (in English)  
Keyword(1) Wireless power transmission  
Keyword(2) WPT  
Keyword(3) Energy harvesting,  
Keyword(4) IoT  
Keyword(5) Yagi-Uda antenna  
Keyword(6) directive element,  
Keyword(7) kQ product.  
Keyword(8)  
1st Author's Name Tamami Maruyama  
1st Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
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Speaker Author-1 
Date Time 2019-04-22 13:55:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2019-3, MW2019-3 
Volume (vol) vol.119 
Number (no) no.11(WPT), no.12(MW) 
Page pp.13-15 
#Pages 3 
Date of Issue 2019-04-15 (WPT, MW) 

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