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| Presentation | 2021-07-02 14:45 EM-Field Visualization by Using a Half Wavelength LED Dipole Antenna Masashi Nakatsugawa, Daiki Ikeno, Tamami Maruyama (NIT, Hakodate College), Yasuhiro Tamayama (Nagaoka Univ. of Technol.)  WPT2021-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | An EM-field measurement method by using a half wavelength LED dipole antenna was proposed. The LED in the antenna can be lit by the received DC power fed by rectifying RF signals. The LED's brightness depends on the DC power provided, suggesting use as an EM field strength indicator where the half wavelength LED dipole antenna is located. The EM field and wireless power transfer efficiency were simulated to investigate the half wavelength LED dipole antenna's potential. A prototyped measurement system for experiments was constructed. The received power with antenna directed x-direction was measured the largest among x-, y-, and z-directions. The corrected received power for x- and z-directions was compared using the simulated Poynting vector components. The results showed good agreement ensuring the effectiveness of using a half wavelength LED dipole antenna as a signal strength indicator to measure the EM field. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | dipole antenna / electromagnetic field / light emitting diode / field visualization / wireless power transfer / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 84, WPT2021-6, pp. 7-12, July 2021. | |
| Paper # | WPT2021-6 | |
| Date of Issue | 2021-06-25 (WPT) | |
| 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 | WPT2021-6 |
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| Conference Information | |
| Committee | EMCJ EMD WPT |
| Conference Date | 2021-07-02 - 2021-07-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2021-07-EMCJ-EMD-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | EM-Field Visualization by Using a Half Wavelength LED Dipole Antenna |
| Sub Title (in English) | |
| Keyword(1) | dipole antenna |
| Keyword(2) | electromagnetic field |
| Keyword(3) | light emitting diode |
| Keyword(4) | field visualization |
| Keyword(5) | wireless power transfer |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masashi Nakatsugawa |
| 1st Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 2nd Author's Name | Daiki Ikeno |
| 2nd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 3rd Author's Name | Tamami Maruyama |
| 3rd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 4th Author's Name | Yasuhiro Tamayama |
| 4th Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ. of Technol.) |
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| Speaker | Author-1 |
| Date Time | 2021-07-02 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2021-6 |
| Volume (vol) | vol.121 |
| Number (no) | no.84 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2021-06-25 (WPT) |
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