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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-15 15:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Frequency Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water Kaito Ishikawa, Masaharu Takahashi (Chiba Univ.), Nozomu Ishii (Niigata Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC)  AP2023-220 |
As one of the applications of electromagnetic waves in the ocean, we conducted a basic study of a system for communicati... [more] | AP2023-220 pp.105-108 |
| AP | 2023-09-01 13:00 |
Tokyo | KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
Validation of a Pseudo-Scale Model by Evaluating Electromagnetic Fields Using the Sommerfeld Integral for the Air-Sea Two-Layer Problem Nozomu Ishii, Takanobu Watanabe (Niigata Univ.) AP2023-76 |
In this report, the numerical convergence of the Sommerfeld integral (SI) is investigated by using Sommerfeld's identity... [more] | AP2023-76 pp.55-60 |
| WPT | 2023-06-30 13:00 |
Tokyo | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Loss Analysis of Contactless Power Transmission in Seawater Mamiko Inamori (Tokai Univ.) WPT2023-9 |
In recent years, contactless power transmission has become a familiar technology as it has been increasingly used in sma... [more] | WPT2023-9 p.1 |
| SR, UWT (Joint) |
2023-01-26 16:40 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Experimental study on the position-free wireless power supply system for feeding high power to AUV at actual sea. Yoshio Koyanagi, Syuichiro Yamaguchi, Tatsuo Yagi (PSNRD), Kazuhiro Eguchi (PCO), Ryosuke Hasaba (PIS), Hiroshi Satoh (PSNRD), Tamaki Ura (DRT) |
Practical application of wireless power supply, which can supply power even in seawater, is expected to extend the opera... [more] | |
| WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto | Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Primary: On-site, Secondary: Online) |
Frequency characteristics of wireless power transfer in seawater via magnetic resonant coupling Yuki Miyakozawa, Takehiro Imura, Yoichi Hori (Tokyo Univ. of Science) |
Wireless power transfer in seawater has been a problem due to seawater being a highly conductive medium causing eddy cur... [more] | |
| WPT, UWT (Joint) |
2021-11-12 14:45 |
Online | Online | Formulation, Validation, and Extensibility Study on the Impedance of Underwater Dipole Antennas Takuma Matsushita, Takashi Kawamura, Toshinori Kondo, Futoshi Takeuchi, Yasuhiro Matsui, Takashi Takinami, Kazuhiro Hongo, Akihiro Horii, Kazunobu Ohkuri (Sony Group Corp.) |
This paper describes the theoretical formulation for half sheath dipole antenna(HSDA) and adaption area of this formulat... [more] | |
| UWT (2nd) |
2021-06-15 13:30 |
Online | Online | [Invited Talk]
Experiment on Radio Communications under Seawater Ryotaro Suga, Takizawa Kenichi, Matsuda Takashi (NICT) |
In recent years, the use of radio waves in seawater has become attractive research fields regarding remote sensing, wire... [more] | |
| MW | 2021-03-05 13:30 |
Online | Online | [Special Talk]
A Study of Magnetic Resonance Wireless Power Transfer to 10 m with Multiple Parasitic Coils in Seawater Ryosuke Hasaba, Katsuya Okamoto, Souichi Kawata, Kazuhiro Eguchi, Koyanagi Yoshio (Panasonic) MW2020-95 |
An autonomous underwater vehicle (AUV) is used for exploring marine resources and monitoring infrastructure facilities. ... [more] | MW2020-95 pp.22-27 |
| SANE | 2018-01-25 15:35 |
Nagasaki | Nagasaki Prefectural Art Museum | Under Seawater Prospecting using Ground Penetrating Radar and Analysis of Electromagnetic Wave Propagation in Seawater using FDTD Method with GPU Jun Sonoda (NIT, Sendai) SANE2017-93 |
The electromagnetic wave (EM) do not propagate in the seawater because of high conductivity. In recent, the ultrasonic w... [more] | SANE2017-93 pp.41-46 |
| WPT | 2017-03-06 15:15 |
Kyoto | Kyoto Univ. Uji Campus | A WPT System for Seabed Drilling Based on Periodic Structures Theory Ryuji Ito, Toshio Ishizaki (Ryukoku Univ), Tomoya Inoue, Junya Ishiwata (JAMSTEC), Ikuo Awai (Ryutech corp) WPT2016-71 |
We want to send power to the several 100 tips of a 10-meter metal pipe connected each other when carrying out the ultra-... [more] | WPT2016-71 pp.31-36 |
| AP | 2016-12-08 12:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Pseudo scale model for electromagnetic fields produced by infinitesimal electric and magnetic dipoles in seawater Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.) AP2016-125 |
In this report, we discuss the pseudo-scale rule which is the basic principle for laboratory experiments simulating elec... [more] | AP2016-125 pp.11-16 |
| WPT | 2016-03-08 10:50 |
Kyoto | Kyoto Univ. Uji Campus | Theoretical Analysis on the loss mechanism that salt water gives to spiral resonator's unloaded Q Kentaro Kawabe, Dai Futagami, Yangjun Zhang, Toshio Ishizaki (Ryukoku Univ.), Ikuo Awai (Ryutech) WPT2015-89 |
We have optimized various kinds of parameters such as the loading capacitors of a spiral resonator, its resonant frequen... [more] | WPT2015-89 pp.71-76 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 13:10 |
Okinawa | Okinawa Prefectural Museum & Art Museum | The effect of salt water for Spiral resonator unloaded Q Kentaro Kawabe, Dai Futagami, Yangjun Zhang, Toshio Ishizaki (Ryukoku Univ.), Ikuo Awai (Ryutech) WPT2015-60 |
It is necessary to elucidate the influence of the salt water to a resonator in order to improve the efficiency of the WP... [more] | WPT2015-60 pp.73-78 |
| AP | 2015-06-11 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study on Feeding Structure of Fountain Antenna with Sea-water Shimpei Akimoto, Takashi Yanagi, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2015-34 |
Sea-water is available as a antenna element because sea-water has relatively-high electrical conductivity. It can operat... [more] | AP2015-34 pp.13-17 |
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