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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 77  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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, R 2020-02-14
14:35
Shizuoka   Observations of break arc behaviors of AgSnO2 contacts in a DC inductive load under application of an external magnetic field
Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Science & Technology) R2019-56 EMD2019-56
When AgSnO2 contacts were operated to break an inductive DC load circuit up to 20V-17A with an applied external magnetic... [more] R2019-56 EMD2019-56
pp.13-16
EMD 2020-01-17
15:35
Kanagawa Rental hall Shonan Hiratsuka Arc movement observation of DC inductive break arcs of AgSnO2 contacts up to 20V-17A under external magnetic field application
Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-51
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] EMD2019-51
pp.17-21
EMD 2019-12-13
16:30
Tokyo   Arc energy calculation in re-striking phenomena in break operations of AgSnO2 contacts in inductive DC load conditions up to 20V-17A
Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-47
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] EMD2019-47
pp.25-30
EMD 2019-03-01
10:35
Tokyo   A study in influences of external magnetic field on break arc characteristics of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A up to 20V-17A
Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-59
For the purpose of investigating influences of application of an external magnetic field on shortenings of break arc dur... [more] EMD2018-59
pp.1-6
EMD 2019-01-18
15:30
Tokyo Kikai-Shinko-Kaikan Bldg. Influences of contact opening speeds and external magnetic field on shortening of break arc durations of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A
Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-52
In a DC inductive (L=5.7mH) load circuit, a AgSnO2 contact pair with applied external magnetic field of about 120mT was ... [more] EMD2018-52
pp.23-28
PN 2017-03-07
09:30
Okinawa Ohama Nobumoto Memorial Hall (Okinawa) Experimental connectivity test of all-optical analog to digital conversion and multilevel signal in all-optical fractional OFDM receiver
Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Tech), Tsuyoshi Konishi (Osaka Univ.) PN2016-100
We experimentally verified a connectivity of all-optical analog to digital conversion and multilevel signal in all- opti... [more] PN2016-100
pp.93-98
PRMU, CNR 2017-02-18
09:30
Hokkaido   A Study for Character Recognition with Perspective Distortion by Vanishing Point Detection Using Radon Transform -- Experiments for Line Noise Reduction by Using RANSAC Algorithm --
Yusuke Takezawa, Seiji Ishihara (Tokyo Denki Univ), Takao Furukawa (Kyoritsu Women's Univ), Takashi Takiguchi (National Defense Academy of Japan), Makoto Hasegawa (Tokyo Denki Univ) PRMU2016-152 CNR2016-19
 [more] PRMU2016-152 CNR2016-19
pp.1-6
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-29
09:25
Hyogo   Experimental demonstration of low cost all-optical fractional OFDM transmission using arrayed waveguide grating
Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Ins. of Tec.), Tyuyoshi Konishi (Osaka Univ.) PN2015-76 EMT2015-127 OPE2015-189 LQE2015-176 EST2015-133 MWP2015-102
 [more] PN2015-76 EMT2015-127 OPE2015-189 LQE2015-176 EST2015-133 MWP2015-102
pp.249-256
OPE, OME 2015-11-27
10:45
Kagawa Sunport-hall Takamatsu Preliminary Results of Interleaving Technology for All-Optical Analog-to-Digital Converter using Soliton Self-Frequency Shift
Hiroyuki Uenohara (Tokyo Tech), Makoto Hasegawa, Tsuyoshi Konishi (Osaka Univ.) OME2015-71 OPE2015-137
All-optical analog-to-digital conversion technique becomes important to achieve high effective number of bits as well as... [more] OME2015-71 OPE2015-137
pp.37-42
EMD, CPM, OME 2015-06-19
16:45
Tokyo Kikai-Shinko-Kaikan Bldg. An experimental study on break arc characteristics of AgSnO2 contact pairs at interruptions of DC load currents with different contact opening speeds
Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2015-19 CPM2015-29 OME2015-32
In DC load circuit conditions with a power supply voltage of DC14V, break operations of a load current in the range from... [more] EMD2015-19 CPM2015-29 OME2015-32
pp.47-50
PN 2015-03-18
14:50
Okinawa   [Encouragement Talk] Suppression Effect of Peak-to-average-ratio for multi-level modulation in Optical OFDM based on Fractional Fourier Transform
Tomotaka Nagashima, Takuya Murakawa, Makoto Hasegawa (Osaka Univ.), Satoshi Shimizu (NICT), Gabriella Cincotti (Univ. Rome), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Institute of Technology), Tsuyoshi Konishi (Osaka Univ.) PN2014-88
Nonlinear optical effects are unavoidable issues for next generation of optical networks and multi-carriers of current o... [more] PN2014-88
pp.63-68
MI 2015-03-03
13:40
Okinawa Hotel Miyahira *
Tsuyoshi Kato, Raissa Relator, Makoto Hasegawa (Gunma Univ), Tetsuhiro Kakimoto, Kinya Okada (MTPC) MI2014-103
[more] MI2014-103
pp.243-248
PRMU, CNR 2015-02-19
11:30
Miyagi   Proposition of Affine Invariant Character Shape Matching Method for Character Recognition Based on Radon Transform and Non-linear Matching
Makoto Hasegawa, Seiji Ishihara (Tokyo Denki Univ.), Takao Furukawa (Kyoritsu Women's Univ.), Takashi Takiguchi (Def. Academy) PRMU2014-115 CNR2014-30
An affine invariant character shape matching method using the Radon transform and a non-linear matching is proposed. In ... [more] PRMU2014-115 CNR2014-30
pp.19-24
EMD 2015-01-23
13:55
Kanagawa   An experimental study on influences of contact opening speeds on break arc characteristics of AgSnO2 contact pair at interruptions of inductive DC load currents
Makoto Hasegawa, Nanami Ohkawa, Hiroya Sonobe (Chitose Inst. of Science & Technology) EMD2014-102
In a DC inductive load circuit (L=20mH) with a power supply voltage of DC14V, break operations of a load current in the ... [more] EMD2014-102
pp.7-10
EMD 2014-12-19
16:25
Tokyo Kikai-Shinko-Kaikan Bldg An experimental study on changes in speckle patterns to be induced by load application onto an optical fiber
Makoto Hasegawa, Yuta Shimizu, Takuya Nakamaru (Chitose Inst. of Science and Tech.) EMD2014-100
When a certain load is being applied onto an jacket-covered communication-grade multimode glass optical fiber through wh... [more] EMD2014-100
pp.31-36
EMD 2014-11-30
15:35
Hokkaido Chitose Cultural Center Influences of contact opening speeds on break arc behaviors of AgSnO2 contact pairs in DC inductive load conditions
Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2014-93
Break operations of a DC inductive (L=20mH) current at about 1A, 3A and 5A with 14V were conducted with AgSnO2 contact p... [more] EMD2014-93
pp.161-164
PN 2014-09-04
14:00
Hokkaido   Suppression Effect of Peak-to-average-ratio in Optical OFDM based on Fractional Fourier Transform
Tomotaka Nagashima, Takuya Murakawa, Makoto Hasegawa (Osaka Univ.), Satoshi Shimizu (NICT), Gabriella Cincotti (Univ. Roma Tre), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Inst. of Tech.), Tsuyoshi Konishi (Osaka Univ.) PN2014-12
Nonlinear optical effects are unavoidable issues for next generation of optical networks and multi-carriers of current o... [more] PN2014-12
pp.7-11
EMD, R 2014-02-21
13:55
Osaka   Three-dimensional comparisons of damage shapes on Ag and AgSnO2 contact surfaces caused by break arc discharges
Makoto Hasegawa, Daichi Kawamura (Chitose Inst. of Science and Tech.) R2013-86 EMD2013-142
Observation and evaluation of changes (damage growth) on contact surfaces caused by arc discharges are important for rea... [more] R2013-86 EMD2013-142
pp.13-18
EMD 2013-11-17
09:25
Overseas Huazhong University of Science and Technology, Wuhan, P.R.China Three-dimensional observation of damage shapes caused by break arcs on Ag and AgSnO2 contact surfaces
Daichi Kawamura, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2013-104
A growth process of damage shapes (specifically growth of a crater) on a cathode surface of a Ag contact pair and a AgSn... [more] EMD2013-104
pp.119-122
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