Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMCJ |
2023-12-08 14:25 |
Shizuoka |
Shizuoka University (Hamamatsu) |
Study on Influence of Winding Position on Leakage Flux of Common-mode Choke Coil Using Toroidal Core Kohei Hasegawa (Aoyama Gakuin Univ./Toshiba Corp.), Haruki Sasaki, Ryosuke Suga (Aoyama Gakuin Univ.) EMCJ2023-83 |
A coupling coefficient between windings of a common-mode choke coils as EMI filters is less than 1 due to leakage flux. ... [more] |
EMCJ2023-83 pp.12-16 |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluating the Effectiveness of Radio Wave Absorber on Vehicle Communication for Single-Frequency Full-Duplex Junya Uchida, Mitoshi Fujimoto (Fukui Univ.), Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2023-101 |
To achieve single-frequency Full-Duplex communication, self-interference rejection of about 110 dB is required, which ha... [more] |
AP2023-101 pp.55-56 |
AP |
2023-10-20 10:55 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
Consideration for mutual impedance and mutual radiation resistance of loop antenna arrays Nakato Kojima, Nobuyoshi Kikuma (NITech) AP2023-123 |
Mutual coupling is a critical consideration in the design of an array antenna.
Mutual coupling is expressed as a mutual... [more] |
AP2023-123 pp.133-138 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 13:25 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Development of new method for evaluating electromechanical coupling coefficient using Mason’s equivalent circuit model simulation Yohkoh Shimano (Waseda Univ.), Kohei Yatabe (Tokyo Univ. of Agri. and Tech.), Takahiko Yanagitani (Waseda Univ.) EMT2023-56 MW2023-74 OPE2023-56 EST2023-56 MWPTHz2023-52 |
The electromechanical coupling coefficient is one of the important parameters for determining the performances of RF fil... [more] |
EMT2023-56 MW2023-74 OPE2023-56 EST2023-56 MWPTHz2023-52 pp.241-242 |
AP, SANE, SAT (Joint) |
2023-07-13 09:30 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Design of Linear Array Antenna with Loss Less Beam Forming Network for Designed Excitation Coefficient Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Co.) AP2023-41 |
Each antenna element in an array antenna should be excited by designed ratios to obtain desired antenna pattern. Each an... [more] |
AP2023-41 pp.54-58 |
WPT |
2023-06-30 14:30 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Derivation of Efficiency Equivalent Coupling Factor Equivalent to Position Efficiency of Receiving Coil on Multiple Transmission Coils
-- Demonstration of Correlation Between Efficiency Equivalent Coupling Factor and Receiver Coil Position Efficiency of Quadratic Equivalent Circuit -- Hideaki Abe WPT2023-11 |
The efficiency characteristic of magnetic coupled wireless power transfer in which a pair of transmission / reception co... [more] |
WPT2023-11 pp.3-8 |
WPT |
2023-06-30 15:30 |
Tokyo |
(Primary: On-site, Secondary: Online) |
[Invited Lecture]
Impedance Inversion Wireless Matching Circuit Using Qi Coils Ryoya Honda, Hiroki Ito, Minoru Mizutani (PW) WPT2023-13 |
We report on the matching circuit designed in the matching circuit contest (85 kHz category) held on March 17, 2023. Thi... [more] |
WPT2023-13 pp.13-17 |
MW |
2023-06-22 14:00 |
Kanagawa |
Yugawara-machi Shou-Kou-Kai Bldg. (Primary: On-site, Secondary: Online) |
Design of Fourth-order Symmetric Box-Coupling Microstrip Bandpass Filters with Transmission Zeros for Asymmetric Frequency Responses Koya Hirota, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2023-21 |
Bandpass filters (BPFs) composed of four resonators as a basic component have been proposed so far, such as CQ filters. ... [more] |
MW2023-21 pp.7-12 |
WPT |
2023-03-17 12:35 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Impedance inversion wireless matching circuit using Qi coils Ryoya Honda, Hiroki Ito, Minoru Mizutani (PW) WPT2022-47 |
We report on the matching circuit designed in the matching circuit contest (85 kHz category) held on March 17, 2023. Thi... [more] |
WPT2022-47 pp.84-86 |
EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima |
Satellite Campus Hiroshima |
[Poster Presentation]
Effect of electrode area on kt2 extraction methods from piezoelectric film/substrate structure Ryo Seki, Yuki Shimizu, Keita Kondo, Takahiko Yanagitani (Waseda Univ) US2022-63 |
Electromechanical coupling coefficient (kt2) is one of the important parameters to determine the performance of BAW devi... [more] |
US2022-63 pp.68-73 |
EMCJ, MW, EST, IEE-EMC [detail] |
2022-10-13 09:05 |
Akita |
Akita University (Primary: On-site, Secondary: Online) |
An estimation of magnetic coupling coefficient between parallel two MSLs using machine leaning of near field information Yusuke Sato, Sho Muroga, Hidefumi Kamozawa, Motoshi Tanaka (Akita Univ.) EMCJ2022-35 MW2022-81 EST2022-45 |
An estimation method of the magnetic coupling coefficient between printed-circuit-board-level lines using a near field i... [more] |
EMCJ2022-35 MW2022-81 EST2022-45 pp.1-5 |
WPT |
2022-06-10 10:30 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Maximum Efficiency Control in Dynamic Wireless Power Transfer with Double-LCC Topology Koshi Ikeda, Takehiro Imura, Yoichi Hori (T.U.S.) WPT2022-14 |
Transmitting efficiency is one of the most important characteristics in dynamic wireless power transfer for electric veh... [more] |
WPT2022-14 pp.2-7 |
MW |
2022-05-20 13:00 |
Kyoto |
Kyoto Univ. (Primary: On-site, Secondary: Online) |
Formulation of kQ theory for underwater capacitive wireless power transfer Yasumasa Naka, Masaya Tamura (Toyohashi Univ.) MW2022-20 |
kQ theory is a significant guideline to design a high-efficient capacitive coupler for wireless power transfer. However,... [more] |
MW2022-20 pp.28-31 |
WPT |
2022-03-07 12:10 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Magnetic Resonance Wireless Power Transmission with External Q Control by Divided-Capacitance Yasuo Ohno, Hiroko Itoh (LaS) WPT2021-24 |
Resonant power transmission circuits can be viewed as an impedance transformer. The transformation ratio varies greatly ... [more] |
WPT2021-24 pp.21-24 |
NLP |
2021-12-17 13:05 |
Oita |
J:COM Horuto Hall OITA |
A Study on On-off Intermittency and Its Transient Dimension in Coupled Phase-locked Loops with Delay Tetsushi Saburi, Takashi Hikihara (Kyoto Univ.) NLP2021-48 |
When we take into account the length of wiring and the delay time attributed to the operation process, a phase-locked lo... [more] |
NLP2021-48 pp.26-29 |
MW |
2021-12-17 09:30 |
Kanagawa |
Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
High-precision design of microstrip BPF considering the influence of cross coupling and the deviation of resonance frequency Yuga Umemoto, Satoshi Ono, Koji Wada (UEC) MW2021-95 |
In this study, we propose a calculation method of design parameters for bandpass filter (BPF) considering a cross-coupli... [more] |
MW2021-95 pp.61-66 |
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 |
AP |
2021-02-19 15:15 |
Online |
Online |
Simple small diversity antenna switching four states by using two elements Kengo Nishimoto (Mitsubishi Electric), Ryosuke Kobayashi (Mitsubishi Electric Engineering), Toyohisa Tanaka, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) AP2020-130 |
A novel simple method of realizing four-branch switching diversity by a small two-element antenna array is proposed. The... [more] |
AP2020-130 pp.77-80 |
MW, ED |
2021-01-29 10:55 |
Online |
Online |
Experimental Evaluation of 60-GHz Band Planar Antenna Consisting of Multiple Radiators and Multiple Resonators for Radiation of Three Orthogonal Components Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2020-28 MW2020-81 |
This paper reports the experimental evaluation results of a 60-GHz band planar MRMR (Multiple Radiators Multiple Resonat... [more] |
ED2020-28 MW2020-81 pp.7-12 |
WPT, EE (Joint) |
2020-10-07 15:30 |
Online |
Online |
Electrically Coupled Wireless Power Transfer to Robot Fish in the Aquarium Yu Matsuura, Toshio Ishizaki (Ryukoku Univ.), Ikuo Awai (Ryutech) WPT2020-23 |
The purpose of this report is to achieve non-contact feeding of electric field-coupled electrodes to robot fish in a tan... [more] |
WPT2020-23 pp.24-29 |