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Paper Abstract and Keywords
Presentation 2020-04-23 15:40
Wireless Power Transmission Efficiency of Folded dipole Antenna for LED Accessory
Tamami Maruyama (NIT, Hakodate College) WPT2020-8 MW2020-8
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, accessories such as pendants loaded with LEDs have been introduced. However, these accessories require a substrate on which a chip resistor and a power supply circuit are loaded, which hinders the design. On the other hand, there has been reported a rectenna capable of turning on an LED by turning an electronic component such as a rectifier diode into a half-wavelength dipole by energy harvesting using microwaves or WiFi radio waves. Therefore, in this research, this was transformed into a folded dipole and a rectenna embedded in a dielectric was constructed. As a result, 20% wireless power transmission efficiency was obtained at a distance of 5 mm from the rectenna by the half-wave dipole used as the wave source, and it was clarified that the LED can be turned on with a skeleton configuration accessory that does not require a circuit.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transmission / Rectenna, WPT, / Energy harvesting / Foled dipole antenna / , kQ product / LED. / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 7, WPT2020-8, pp. 41-43, April 2020.
Paper # WPT2020-8 
Date of Issue 2020-04-16 (WPT, MW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 WPT2020-8 MW2020-8

Conference Information
Committee MW WPT  
Conference Date 2020-04-23 - 2020-04-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Power Transfer/Microwave 
Paper Information
Registration To WPT 
Conference Code 2020-04-MW-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wireless Power Transmission Efficiency of Folded dipole Antenna for LED Accessory 
Sub Title (in English)  
Keyword(1) Wireless power transmission  
Keyword(2) Rectenna, WPT,  
Keyword(3) Energy harvesting  
Keyword(4) Foled dipole antenna  
Keyword(5) , kQ product  
Keyword(6) LED.  
1st Author's Name Tamami Maruyama  
1st Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
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Date Time 2020-04-23 15:40:00 
Presentation Time 25 
Registration for WPT 
Paper # IEICE-WPT2020-8,IEICE-MW2020-8 
Volume (vol) IEICE-120 
Number (no) no.7(WPT), no.8(MW) 
Page pp.41-43 
#Pages IEICE-3 
Date of Issue IEICE-WPT-2020-04-16,IEICE-MW-2020-04-16 

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