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| Presentation | 2019-07-19 16:00 Development of transmission and reception antennas for wireless power transmission in the capsule endoscope Kyohei Yoshida, Masaharu Takahashi (Chiba Univ.)  WPT2019-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, a capsule endoscope has been developed for decreasing the burden of patients. Current capsule endoscopes use a built-in battery as a power source. It is not preferable to use a battery harmful to the human body for the capsule endoscope. Therefore, wireless power transmission to capsule endoscopes has been proposed. In this research, since the radio wave radiation method is adopted, the development of transmission and reception antennas is required. We designed the Archimedes spiral antenna as the transmission antenna and the helical antenna as the reception antenna operating at 433.92 MHz. We have computed the reflection coefficient of the antennas using the finite-difference time-domain (FDTD) method. The reflection coefficient showed a sufficiently usable value at the desired frequency. And the change of a transmission efficiency by the distance between the antennas was investigated by using a simple human body model. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Capsule endoscope / Wireless power transmission / Spiral antenna / Helical antenna / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 135, WPT2019-25, pp. 19-22, July 2019. | |
| Paper # | WPT2019-25 | |
| Date of Issue | 2019-07-12 (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 | WPT2019-25 |
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| Conference Information | |
| Committee | EMCJ EMD WPT PEM |
| Conference Date | 2019-07-19 - 2019-07-19 |
| 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 | WPT |
| Conference Code | 2019-07-EMCJ-EMD-WPT-PEM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of transmission and reception antennas for wireless power transmission in the capsule endoscope |
| Sub Title (in English) | |
| Keyword(1) | Capsule endoscope |
| Keyword(2) | Wireless power transmission |
| Keyword(3) | Spiral antenna |
| Keyword(4) | Helical antenna |
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| 1st Author's Name | Kyohei Yoshida |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Masaharu Takahashi |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-07-19 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2019-25 |
| Volume (vol) | vol.119 |
| Number (no) | no.135 |
| Page | pp.19-22 |
| #Pages | 4 |
| Date of Issue | 2019-07-12 (WPT) |
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