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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2024-03-15 14:15 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Performance confirmation test of 100W class wireless power transmission system Tomu Matsutomo (SUS), Takahisa Tomoda (JAXA), Naoki Warigai (SUS), Yumi Kawai (HU), Takahiro Ohnishi (TUS), Hiromasa Kondo, Eriko Soma (JAXA), Masahide Ohshima (SUS), Koji Tanaka (JAXA)  WPT2023-55 |
We conducted basic experiments to evaluate beam control accuracy using a 100W-class wireless power transmission system. ... [more] | WPT2023-55 pp.97-102 |
| AP | 2023-10-19 13:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Evaluation of Three Directivity Control Techniques for Increasing Number of Elements in Array Antennas
-- Comparison of analysis using Array Factor, E-MIMO, and Retrodirective methods -- Hinata Kato, Qiaowei Yuan (Tohoku Institute of Technology) AP2023-113 |
The E-MIMO principal method was developed by this laboratory to calculate the maximum efficiency of MIMO systems, and it... [more] | AP2023-113 pp.94-95 |
| AP | 2023-03-17 09:30 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
A Study on the Transmission Directivity Control using wide-angle nulling for the Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-241 |
When the beam wireless power transmission is used in an indoor manned environment, the power transmission efficiency and... [more] | AP2022-241 pp.43-48 |
| AP | 2023-03-17 09:55 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Examination of directivity control method and operation frequency for wireless power transmission in indoor manned environment Tomoyuki Nakasha, Katsutoshi Kawai, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-242 |
In recent years, beam wireless power transmission(WPT) systems supply energy for targets located on separate places have... [more] | AP2022-242 pp.49-54 |
| AP | 2022-10-20 16:25 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
A Study on the Transmission Directivity Control for the Wireless Power Transmission
-- Linearly Constrained Retrodirective Method -- Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera Corp.), Mitoshi Fujimoto (Univ. of Fukui) AP2022-146 |
When the beam wireless power transmission, which can supply power to devices at a distance using microwaves, is used in ... [more] | AP2022-146 pp.239-244 |
| SIS, ITE-BCT | 2022-10-14 11:25 |
Aomori | Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System Takahiro Ishikawa, Shingo Yoshizawa (Kitami Inst. of Tech.) SIS2022-20 |
Beamforming is a technique that concentrates wave energy in a specific direction using multiple element arrays. It can e... [more] | SIS2022-20 pp.49-52 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 10:10 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
A 5.2GHz-Band Reflection-Type Retrodirective Array Using Butler Matrix with Broadside Couplers Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 |
In backscatter system, increasing the gain of the tag antennas is an important task for extending the communication rang... [more] | EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 pp.62-65 |
| WPT | 2022-03-08 10:00 |
Kyoto | (Primary: On-site, Secondary: Online) |
Phase Conjugate Circuit for Double Frequency Retrodirective Mizuki Kataoka, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2021-33 |
We propose a novel retrodirective system on microwave power transmission (MPT) for the interference reduction. The retro... [more] | WPT2021-33 pp.58-61 |
| WPT | 2020-03-07 14:00 |
Kyoto | (Cancelled but technical report was issued) |
Study on Microwave Power Transmission Systems in Multipath Environments Taichi Sasaki, Naoki Shinohara (Kyoto Univ.) WPT2019-81 |
This paper describes that retrodirective systems improve the efficiency and safety of microwave power transmission (MPT)... [more] | WPT2019-81 pp.129-134 |
| WPT | 2019-03-07 15:15 |
Kyoto | Kyoto Univ. Uji Campus | Study on Multipath Retrodirective for Microwave Power Transmission Taichi Sasaki, Naoki Shinohara (Kyoto Univ.) WPT2018-76 |
In this paper, we studied about contribution of multipath retrodirective to efficiency and safety of indoor microwave po... [more] | WPT2018-76 pp.63-68 |
| WPT, EE (Joint) |
2018-10-03 14:10 |
Kyoto | Kyoto Univ. Uji Campus | Analysis of Multipath Retrodirective for Microwave Power Transmission Taichi Sasaki, Naoki Shinohara (Kyoto Univ.) WPT2018-35 |
In this paper, we verified the effectiveness of multipath retrodirective. We calculated and simulated the phase change o... [more] | WPT2018-35 pp.33-38 |
| EE, WPT (Joint) |
2017-10-17 10:20 |
Miyagi | Tohoku Univ. | Basic Study of Self-convergent Beam Formation by a Both-sides Retrodirective System Takayuki Matsumuro (Ryukoku Univ.), Yohei Ishikawa (Kyoto Univ.), Masashi Yanagase (Murata Co., Ltd.), Naoki Shinohara (Kyoto Univ.) WPT2017-38 |
We propose a new wireless power transmission system applying retrodirective scheme reradiating microwave in the arrival ... [more] | WPT2017-38 pp.13-16 |
| WPT | 2017-03-07 10:50 |
Kyoto | Kyoto Univ. Uji Campus | Study on Direction of Arrival Estimation of Harmonics Re-radiation for a Harmonics-Based Retrodirective System Shogo Kawashima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2016-77 |
A Haramonics-Based Retorodirective System (HBRS) is proposed for microwave power transmission. Re-radiation of rectenna ... [more] | WPT2016-77 pp.63-67 |
| MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas | KMUTNB, Bangkok, Thailand | Study on Re-radiation Characteristics of Rectenna Harmonics for a Harmonic-Based Retrodirectiver System Shogo Kawashima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) |
A harmonics-based retrodirective system (HBRS) is proposed for microwave power transmission to an airplane for weight sa... [more] | |
| MW | 2016-05-20 15:15 |
Kyoto | Kyoto Univ. | Study on Re-radiation Characteristics of Rectenna Harmonics for a Harmonic-Based Retrodirective System Shogo Kawashima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) MW2016-26 |
A harmonics-based retrodirective system (HBRS) is proposed for microwave power transmission to an airplane for weight sa... [more] | MW2016-26 pp.83-88 |
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