Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMCJ, MW, EST, IEE-EMC [detail] |
2022-10-13 12:45 |
Akita |
Akita University (Primary: On-site, Secondary: Online) |
Measurement of characteristics for improved broadband folded antenna Keita Kobayashi, Yuzuki Yamamoto, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (ELENA) EMCJ2022-41 MW2022-87 EST2022-51 |
[more] |
EMCJ2022-41 MW2022-87 EST2022-51 pp.31-36 |
EMCJ, MW, EST, IEE-EMC [detail] |
2022-10-13 13:10 |
Akita |
Akita University (Primary: On-site, Secondary: Online) |
Measurement of antenna gain for conical monopole antenna with double-Boltzmann function type taper line Tokoe Suzuki, Keita Kobayashi, Shinobu Ishigami, Ken Kawamata, Shigeki Minegishi (TGU) EMCJ2022-42 MW2022-88 EST2022-52 |
[more] |
EMCJ2022-42 MW2022-88 EST2022-52 pp.37-41 |
EST, MW, EMCJ, IEE-EMC [detail] |
2021-10-07 13:00 |
Online |
Online |
FDTD analysis for improving the characteristics of the folded long-hexagon antenna (1) Keita Kobayashi, Toshiya Ishizaki, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (ELENA) EMCJ2021-32 MW2021-44 EST2021-34 |
[more] |
EMCJ2021-32 MW2021-44 EST2021-34 pp.25-29 |
EST, MW, EMCJ, IEE-EMC [detail] |
2021-10-07 13:25 |
Online |
Online |
FDTD analysis for improving the characteristics of the folded long-hexagon antenna (2) Toshiya Ishizaki, Keita Kobayashi, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (ELENA) EMCJ2021-33 MW2021-45 EST2021-35 |
Folded rhombic-antenna has been proposed as a broadband antenna for use in electromagnetic interference (EMI) measuremen... [more] |
EMCJ2021-33 MW2021-45 EST2021-35 pp.30-34 |
EST, MW, EMCJ, IEE-EMC [detail] |
2021-10-08 09:40 |
Online |
Online |
Study on extraction of multiple electromagnetic noise waveforms using independent component analysis Nao Takahashi, Shinobu Ishigami, Ken Kawamata (TGU) EMCJ2021-42 MW2021-54 EST2021-44 |
In device such as a drone that has a build-in 5G (5th generation mobile communications) mobile terminal for controlling ... [more] |
EMCJ2021-42 MW2021-54 EST2021-44 pp.73-77 |
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-22 11:00 |
Online |
Online |
Basic study of electromagnetic noise waveform extraction using independent component analysis Nao Takahashi, Shinobu Ishigami, Ken Kawamata (TGU) EMCJ2020-28 MW2020-42 EST2020-30 |
For the safe operation of next-generation autonomous mobiles such as drones, 5G (5th generation mobile phone) technology... [more] |
EMCJ2020-28 MW2020-42 EST2020-30 pp.20-24 |
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-22 11:25 |
Online |
Online |
Fabrication of Broadband Folded Long-Hexagon Antenna and its Characteristic Measurement (1) Kyo Kobayashi, Toshiya Ishizaki, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (Elena) EMCJ2020-29 MW2020-43 EST2020-31 |
Interfering electromagnetic noises generated by electrical and electronic devices may affect the operation of other devi... [more] |
EMCJ2020-29 MW2020-43 EST2020-31 pp.25-30 |
MW, EST, EMCJ, PEM, IEE-EMC [detail] |
2020-10-22 11:50 |
Online |
Online |
Fabrication of Broadband Folded Long-Hexagon Antenna and its Characteristic Measurement (2) Toshiya Ishizaki, Kyo Kobayashi, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (Elena) EMCJ2020-30 MW2020-44 EST2020-32 |
Folded rhombic-antenna has been proposed as a broadband antenna for use in electromagnetic interference (EMI) measuremen... [more] |
EMCJ2020-30 MW2020-44 EST2020-32 pp.31-35 |
EMCJ, EMD, WPT, PEM (Joint) [detail] |
2019-07-19 10:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Measurement of transient electric-fields caused by ESD between spherical electrodes using broadband optical electric-field sensor Shinobu Ishigami, Ken Kawamata, Shigeki Minegishi (TGU), Osamu Fujiwara (UEC) |
[more] |
|
EMCJ |
2018-07-27 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Measurement of discharge current using shielded-loop probe caused by ESD in spherical electrodes. Masato Oikawa, Kento Kato, Shinobu Ishigami, Ken Kawamata, Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2018-28 |
The relationship between the electromagnetic radiation intensity accompanying the spherical electrode ESD and the peak d... [more] |
EMCJ2018-28 pp.37-42 |
EMCJ, WPT (Joint) |
2016-01-29 13:05 |
Kumamoto |
Kumamoto National Colle. Technology |
Influence of Surface Roughness of Electrode in EM Radiation Caused by Micro Gap ESD Kenichiro Abe, Ken Kawamata, Shigeki Minegishi (TGU), Osamu Fujiwara (NIT) EMCJ2015-118 |
Impulsive electromagnetic noise is caused by ESD. Especially, micro gap discharge of less than 1kV produces GHz band wid... [more] |
EMCJ2015-118 pp.83-86 |
EMCJ, EST |
2014-09-12 13:25 |
Hokkaido |
Kitami Inst. Technology |
Development and accuracy verification of measurement system for spark length due to electrostatic discharge from ESD-gunerator Yoshinori Taka (KNCT), Ken Kawamata (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2014-37 EST2014-51 |
It has widely been accepted that the faster the approach speed of electrostatic discharge generators (ESD guns) is, the ... [more] |
EMCJ2014-37 EST2014-51 pp.35-39 |
EMCJ, IEE-EMC |
2011-10-28 10:35 |
Aomori |
Hachinohe Grand Hotel |
Variations of radiated electromagnetic field due to low voltage ESD in spherical electrode. Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi (TGU), Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2011-81 |
Amplitude properties of radiated electromagnetic field caused by low voltage ESD (electrostatic discharge) in spherical ... [more] |
EMCJ2011-81 pp.1-4 |
EMCJ (2nd) |
2010-05-28 14:00 |
Miyagi |
Cyberscience Center, Tohoku University |
Measurement of the radiated electromagnetic filed intensity using spherical electrodes and a horn antenna Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (NIT) |
The micro-gap discharge as the low voltage ESD shows very fast transition duration of about 32 ps or less. Besides, brea... [more] |
|
EMCJ |
2010-04-23 14:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Wideband Measurement of Radiated Electromagnetic Field Intensity due to the low voltage ESD Ken Kawamata (HIT), Shigeki Minegishi (TGU), Osamu Fujiwara (NIT) EMCJ2010-9 |
The breakdown voltage and radiated electromagnetic field intensity due to micro gap discharge were examined in experimen... [more] |
EMCJ2010-9 pp.45-48 |
EMCJ, IEE-EMC |
2009-12-18 14:15 |
Gifu |
NIFS |
Study on Radiated Electromagnetic Field Intensity due to Micro Gap Discharge as the low voltage ESD. Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) |
The breakdown field strength and radiated electromagnetic field intensity due to micro gap discharge were examined in ex... [more] |
EMCJ2009-95 pp.59-64 |
AP |
2009-09-04 14:50 |
Aomori |
Hachinohe Inst. of Tech. |
Experimental Study of Radiated Electromagnetic Field Intensity due to Micro Gap Discharge Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) AP2009-100 |
The breakdown field strength and radiated electromagnetic field intensity due to micro gap discharge were examined in ex... [more] |
AP2009-100 pp.121-124 |
EMD, EMCJ |
2009-05-22 14:15 |
Tokyo |
Kanda camupus, Nippon Institute of Technology |
Relation Between Radiated Electromagnetic Field Intensity and Electrode Condition due to Micro Gap Discharge Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2009-17 EMD2009-9 |
he relationship between breakdown field strength and radiated electromagnetic field intensity was examined in experiment... [more] |
EMCJ2009-17 EMD2009-9 pp.45-48 |
EMCJ |
2008-11-21 11:10 |
Tokyo |
AIST Tokyo Waterfront |
A Method for Estimating Wideband Transients Using Transmission Loss of High Performance Semi-Rigid Coaxial Cable. Ken Kawamata (Hachinohe Institute of Technology), Yoshinori Taka (Nagoya Institute of Technology), Shigeki Minegishi (Tohoku Gakuin Univ.), Osamu Fujiwara (Nagoya Institute of Technology) EMCJ2008-82 |
The very fast transients due to micro-gap discharges as low voltage electrostatic discharges (ESDs) were investigated in... [more] |
EMCJ2008-82 pp.45-48 |
EMCJ, EMD |
2008-07-18 14:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Experimental Study on Radiated Electromagnetic Field Strength due to Micro Gap Discharge Below 1kV Ken Kawamata (Hachinohe Inst. of Tech.), Shigeki Minegishi, Akira Haga (Tohoku Gakuin Univ.), Osamu Fujiwara (NIT) EMCJ2008-45 EMD2008-27 |
Abstract Relationship between breakdown field strength and radiated electromagnetic field strength was examined in expe... [more] |
EMCJ2008-45 EMD2008-27 pp.27-30 |