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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2024-03-01 13:45 |
Chiba | A study on analysis of rotation phenomena of MMF speckle patterns with deep learning Ryusei Sato, Makoto Hasegawa (Chitose Inst. of Science and Technology)  EMD2023-41 |
When laser light beams are allowed to propagate from one end of an optical fiber to the other end and further to be outp... [more] | EMD2023-41 pp.13-18 |
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| EMD | 2024-03-01 14:20 |
Chiba | Break arc characteristics and arc behavior observations of AgSnO2 contacts in an inductive load circuit up to DC20V Reo Oikawa, Yuya Asari, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2023-42 |
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] | EMD2023-42 pp.19-24 |
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| EMD | 2023-06-30 14:45 |
Hokkaido | Chitose Arcadia Plaza | Analysis of pattern changes in an output light spot from an optical fiber with a PIV method (II) Takato Chiba, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2023-5 |
When a disturbance is applied onto an optical multi-mode fiber, speckle pattern is often observed in an output light spo... [more] | EMD2023-5 pp.22-27 |
| EMD | 2023-03-03 14:25 |
Saitama | NIT and Online (Primary: On-site, Secondary: Online) |
Analysis of pattern changes in an output light spot from an optical fiber with a PIV method Takato Chiba, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2022-25 |
Disturbances-imposed changes in speckle pattern to be observed in an output light spot from an optical fiber were capt... [more] |
EMD2022-25 pp.25-30 |
| EMD | 2023-03-03 15:45 |
Saitama | NIT and Online (Primary: On-site, Secondary: Online) |
Break arc characteristics of AgSnO2 contacts in an inductive load circuit up to DC20V Shota Kosugi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2022-29 |
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] | EMD2022-29 pp.46-51 |
| EMD | 2021-03-08 15:55 |
Online | Online | Preparation of an experiment kit for highschool physics classes on conversion from mechanical energy to thermal energy Ryo Tanaka, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2020-36 |
An experimental teaching material has been prepared to allow students to experientially confirm the law of conservation ... [more] | EMD2020-36 pp.36-39 |
| EMD | 2014-05-16 14:20 |
Miyagi | Ｉｓｈｉｎｏｍａｋｉ Senshu University | An experimental study on relationships between break arc durations and contact opening speeds of Ag and AgSnO2 contact pairs in DC load circuits Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2014-4 |
In a DC inductive load circuit (L=20mH) with a power supply voltage of DC14V, break operations of a load current in the ... [more] | EMD2014-4 pp.19-22 |
| EMD | 2012-10-19 15:15 |
Tokyo | Fuji Electric FA Components & Systems Co., Ltd. | Three dimensional evaluation of arc damages on Ag and AgSnO2 contact surfaces Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2012-63 |
Material transfer and erosion caused by arc discharges during operations of mechanical relays and switches is one of cri... [more] | EMD2012-63 pp.19-24 |
| EMD | 2012-05-25 15:50 |
Miyagi | Tohoku Bunka Gakuen Univ. | An experimental study on an optical measurement system for damages on contact surfaces (II) Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2012-6 |
For the purpose of realizing, during switching operations, observation and evaluation of growth processes of a crater an... [more] | EMD2012-6 pp.27-30 |
| EMD | 2012-05-25 16:15 |
Miyagi | Tohoku Bunka Gakuen Univ. | A study on a detection system for load application onto an optical fiber by means of changes of a speckle pattern (II) Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2012-7 |
In order to investigate possibility of utilizing speckle patterns to be observed in an output light spot from an optical... [more] | EMD2012-7 pp.31-36 |
| EMD, R | 2012-02-17 11:00 |
Kyoto | An experimental study on contact resistance characteristics of relay contacts operated in the vicinity of a new acryl-based polymer Makoto Hasegawa, Nanae Kobayashi (Chitose Inst. of Science and Technology), Yoshiyuki Kohno, Hiroshi Ando (Kaneka Corp.) R2011-43 EMD2011-117 |
The authors have already reported that when relays were operated to break load currents in vapors evaporated from a newl... [more] | R2011-43 EMD2011-117 pp.7-12 |
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| EMD, R | 2012-02-17 11:25 |
Kyoto | An experimental study on an optical measurement system for damages on contact surfaces Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science and Technology) R2011-44 EMD2011-118 |
Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during swi... [more] | R2011-44 EMD2011-118 pp.13-18 |
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