Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WPT |
2024-03-15 16:15 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
A Beamforming Antenna using Analog Phase Shifter for 5.7GHz RF Wireless Power Transfer System Shota Futamata, Norimasa Nakashima (FIT) WPT2023-59 |
This paper persents an attempt to realize a beamforming antenna using a reflective phase shifter for 5.7GHz wireless pow... [more] |
WPT2023-59 pp.117-122 |
AP |
2022-10-20 10:20 |
Gifu |
GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
A Planar Antenna Stacked by a Square-Loop and a Half-wavelength Dipole Koki Tokutomi, Norimasa Nakashima (FIT) AP2022-135 |
[more] |
AP2022-135 pp.175-180 |
WPT, AP (Joint) |
2021-01-22 13:00 |
Online |
Online |
An experiment of a 461.25 [MHz] radio wave wireless power transfer Keitaro Omura, Takuya Komatsu, Norimasa Nakashima (FIT) WPT2020-30 |
This paper reports results of an experiment about 461.25 [MHz] radio wave wireless power transfer. The authors anticipat... [more] |
WPT2020-30 pp.1-6 |
WPT, AP (Joint) |
2021-01-22 13:25 |
Online |
Online |
Temporal Variation of an Open Voltage Obtained by an AM Radio Broadcasting Rectenna Takuya Komatsu, Keitaro Omura, Norimasa Nakashima (FIT) WPT2020-31 |
The authors are conducting research on energy harvesting by using AM radio electromagnetic waves because our institution... [more] |
WPT2020-31 pp.7-11 |
EMT, IEE-EMT |
2020-05-22 11:55 |
Tokyo |
Tokyo Metropolitan Univ., Akihabara Satellite Campus (Cancelled but technical report was issued) |
Prototypes of 461.25 [MHz] rectifier circuits by using class E switching Keitaro Omura, Takuya Komatsu, Norimasa Nakashima (FIT) EMT2020-2 |
The authors are working on the construction of a 461.25 [MHz] wireless power transfer system by utilizing the Japanese d... [more] |
EMT2020-2 pp.7-12 |
EMT, IEE-EMT |
2020-05-22 14:00 |
Tokyo |
Tokyo Metropolitan Univ., Akihabara Satellite Campus (Cancelled but technical report was issued) |
Efficiency measurements and comparisons for the class E rectifier circuit in AM wave Takuya Komatsu, Keitaro Omua, Norimasa Nakashima (FIT) EMT2020-4 |
Energy harvesting is expected in infrastructure management and IoT (Internet of Things) as a battery-less power supply. ... [more] |
EMT2020-4 pp.19-24 |
EMT, IEE-EMT |
2019-11-07 11:00 |
Saga |
Hotel Syunkeiya |
Radiation Characteristics of a Planar Antenna Combined Meanderline and Dipole Norimasa Nakashima, Koki Tokutomi (FIT) EMT2019-44 |
[more] |
EMT2019-44 pp.13-17 |
EMT, IEE-EMT |
2018-11-17 10:50 |
Tottori |
Kaike Grand Hotel Tensui(Yonago, Tottori) |
Directivity Characteristics of a Wire Antenna Combined Meanderline and Dipole Norimasa Nakashima, Soutaro Ishii, Takumi Sogabe (FIT) EMT2018-63 |
The authors focus on the array effect by increasing the number of turns
for a rectangular loop antenna. The multi-turn... [more] |
EMT2018-63 pp.173-176 |
EMCJ, WPT (Joint) |
2016-01-29 16:45 |
Kumamoto |
Kumamoto National Colle. Technology |
On an Impedance Frequency Characteristics of an Antenna Coil in MF Band Shingo Otsuka, Norimasa Nakashima (FIT) WPT2015-71 |
[more] |
WPT2015-71 pp.39-44 |
EMT, IEE-EMT |
2015-10-30 13:25 |
Miyazaki |
Holiday Inn ANA Resort Miyazaki |
A Prototype of Antenna Coil Self-resonant to AM Radio Frequency Band Shingo Otsuka, Norimasa Nakashima (FIT) EMT2015-73 |
Performance of antenna plays an important role of higher energy collection efficiency in the energy harvesting of electr... [more] |
EMT2015-73 pp.155-160 |
EST |
2015-09-04 13:50 |
Okinawa |
Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan |
A computation of acoustic wave propagating in a lossy medium by means of FDTD method Norimasa Nakashima, Youhei Migita (FIT) EST2015-67 |
[more] |
EST2015-67 pp.71-76 |
EST |
2011-10-06 15:00 |
Nagasaki |
Nagasaki Prefectural Art Museum |
On a Fast and Accurate Evaluation of a Square Element Integration in the Two-dimensional Volume Integral Equation Method Norimasa Nakashima (Kyushu Univ.) EST2011-68 |
A discretization into a linear system of equation needs an integral over a rectangular element in the two-dimensional vo... [more] |
EST2011-68 pp.21-26 |