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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
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
 Results 1 - 12 of 12  /   
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