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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD, R | 2019-02-15 14:30 |
Osaka | Medium wave transmitting antenna impedance measurement method
-- For improving system reliability -- Wataru Arita, Kazuma Shimizu, Kazuhiko Nozaki, Shunto Utsumi (NHK), Taishi Shirakubo, Fumiya Yano (NHK ITEC), Kyoko Kanamori, Masahiko Yamazoe (NHK)  R2018-55 EMD2018-56 |
It is important to maintain an entire medium wave transmitting system including transmitting antenna for improving the s... [more] | R2018-55 EMD2018-56 pp.19-24 |
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| RCC, MICT | 2018-05-24 13:00 |
Tokyo | Tokyo Big Sight | [Poster Presentation]
Evaluation of Contact Current in Intermediate Frequency Using Measured Electric Field
-- Experimental Assessment near MF Broadcasting Station -- Jerdvisanop Chakarothai (NICT), Keisuke Arai (TUAT), Kanako Wake, Katsumi Fujii, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT) RCC2018-11 MICT2018-11 |
Recently, there has been rapid development of wireless devices using intermediate frequency (IF; 300 Hz – 10 MHz) band. ... [more] | RCC2018-11 MICT2018-11 pp.51-55 |
| MW | 2017-06-23 10:20 |
Aichi | A-101, Wing-A, Toyohashi University of Technology | Measurement on Complex Permittivity of Hydrated Soil, Live and Dead Leaves, Woods, and Stones for Landslides Prognostication Kousei Kumahara, Kengo Nakajima, Futoshi Kuroki (NIT,Kure College), Masanori Eguchi, Takeshi Yamakawa (FLSI) MW2017-26 |
Complex permittivity of hydrated soil contained in lands was measured as a function of the water volume content for land... [more] | MW2017-26 pp.25-30 |
| R | 2012-10-19 13:30 |
Fukuoka | Development of Medium wave Isolator Kazuaki Wakai (Daiichi Institute of Technology) R2012-54 |
Medium wave isolator was un-worked on the broadcasting transmitting system by comparison with the VHF, UHF and SHF Band.... [more] | R2012-54 pp.1-6 |
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| EMD, R | 2012-02-17 13:15 |
Kyoto | Reliability evaluation of medium wave antenna auto-matching control system Kazuaki Wakai (DIT) R2011-46 EMD2011-120 |
Medium wave antenna will be coming under the influence from atmospheric phenomena of snow-stuck with antenna element, in... [more] | R2011-46 EMD2011-120 pp.25-30 |
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| EMCJ | 2011-01-28 09:05 |
Kumamoto | Kumamoto National College of Technology | A study on the influence of power transmission line facilities on the input impedance of a Medium-Wave broadcasting antenna II Ryuunosuke Sakamoto, Toyonori Matsuda, Takaaki Ishibashi, Yoshifumi Shimoshio (KNCT), Kazuya Murakami, Teruaki Imamura (Kyuden), Kenji Taguchi (KNT) EMCJ2010-100 |
When an overhead power transmission line is close to a Medium-Wave broadcasting antenna, facilities such as lattice ste... [more] | EMCJ2010-100 pp.1-6 |
| EMCJ, ITE-BCT | 2010-03-12 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A study on the influence of power transmission line facilities on the input impedance of a Medium Wave broadcasting antenna Kazuya Murakami, Teruaki Imamura, Shigeki Matsuzaki (Kyushu Denryoku), Yoshifumi Shimoshio, Toyonori Matsuda, Eiji Nishiyama, Takaaki Ishibashi (Kumamoto Nat Coll. of Tech.), Kenji Taguchi (Kitami Inst. of Tech.) EMCJ2009-129 |
When an overhead power transmission line is close to a Medium-Wave broadcasting antenna, facilities such as lattice stee... [more] | EMCJ2009-129 pp.19-24 |
| AP | 2010-03-08 14:45 |
Saitama | Saitama University | Derivation Method of Earth Conductivity Using Field Strength Data of MF Broadcasting Wave Ryosaku Shimizu, Takeshi Oshima, Hidetoshi Okano, Yasumasa Konno, Hisayuki Kato (NHK) AP2009-215 |
We measured the field strength data at a great number of points to confirm the antenna radiation pattern and the coverag... [more] | AP2009-215 pp.61-66 |
| RCS, SIP | 2010-01-21 13:10 |
Fukuoka | Kyushu Univ. | A Review Survey of Overnight Propagation-Reception Characteristics of MW AM Broadcast Wave and Some New Findings Yasuhito Takeuchi (Kagoshima Univ.) SIP2009-90 RCS2009-224 |
In this study overnight propagation-reception characteristics of MW AM broadcast wave is revisited for new study. Since ... [more] | SIP2009-90 RCS2009-224 pp.99-102 |
| RCS, SIP | 2010-01-21 13:30 |
Fukuoka | Kyushu Univ. | A Prototype of Bar-Antenna for MW AM Broadcast Receiver Using New Compound Magnetic Material Yasuhito Takeuchi (Kagoshima Univ.), Shuji Akaiwa (Mate) SIP2009-91 RCS2009-225 |
In this study a novel compound soft magnetic material for bar-antenna for MW AM broadcast receiver is proposed, together... [more] | SIP2009-91 RCS2009-225 pp.103-108 |
| EMCJ | 2009-09-04 10:50 |
Kyoto | KEIHANNA PLAZA | A study on the influence of power transmission line facilities on the input impedance of a Medium-Wave broadcasting antenna Toyonori Matsuda, Eiji Nishiyama, Takaaki Ishibashi, Yoshifumi Shimoshio (Kumamoto National Coll. of Tech.), Kazuya Murakami, Teruaki Imamura, Shigeki Matsuzaki (Kyushu Denryoku Co.,Ltd.,), Kenji Taguchi (Kitami Inst. of Tech.) EMCJ2009-39 |
When an overhead power transmission line is close to a Medium-Wave broadcasting antenna, facilities such as lattice ste... [more] | EMCJ2009-39 pp.23-28 |
| EMD, R | 2009-02-20 16:20 |
Mie | Sumitomo Wiring Systems LTD., Head Office | Avoidance for lightning damages on the stray metal portion of the broadcasting system Kazuaki Wakai (Daiichi Univ.), Yuji Sawaguri (SGC) R2008-56 EMD2008-132 |
We have quite a bit of experience for the broadcasting transmitting system, which are designing, management, maintenance... [more] | R2008-56 EMD2008-132 pp.69-76 |
| USN, CQ, MoNA (Joint) |
2008-01-25 11:20 |
Shizuoka | Kenshu Kouryu Center, Actcity Hamamatsu (Shizuoka) | [Technology Exhibit]
Acoustic OFDM on MW AM Broadcasting : Transmission Performance Yusuke Nakashima, Hosei Matsuoka, Takeshi Yoshimura (NTT DoCoMo), Hiroshi Miura, Seiichi Nakajima (Nippon Broadcasting S.), Masanori Machida (Nippon Broadcasting Proj.), Gen-ichiro Ohta (Waseda Univ.) MoMuC2007-81 USN2007-74 |
A data transmission means via audio link on MW AM radio broadcasting system is shown to be achievable by using Acoustic ... [more] | MoMuC2007-81 USN2007-74 pp.77-78(MoMuC), pp.93-94(USN) |
| EE | 2007-11-19 13:55 |
Tokyo | [Special Talk]
Hight efficiency amplifiers in MF and HF transmitter Masahiko Yamazoe (NHK), Kazuhisa Haeiwa (HIroshima City Univ), Hiroyuki Nishimori, Kouichi Misu (NHK) EE2007-41 |
This paper describes hight efficiency amplifiers in MF and HF transmitter. First , we fabricated a new power amplifier o... [more] | EE2007-41 pp.39-44 |
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| AP | 2006-10-19 09:55 |
Kyoto | Kyoto Univ. (Katsura Campus) | Numerical method for predicting monthly median field strengths including daytime values at frequencies between about 150 and 1700 kHz Kenro Nozaki (NICT), Noboru Wakai (REEA) AP2006-77 |
The current Recommendation ITU-R P. 1147-2[2] presents the method for predicting annual median field strengths in the ni... [more] | AP2006-77 pp.5-9 |
| R, EMD | 2005-02-18 13:25 |
Kyoto | Omron | An analysis of transient phenomena in medium wave power amplifier within load impedance characteristics Masahiko Yamazoe, Kazuaki Wakai (NHK), Tomohide Kakutani (ITEC), Ikuji Fujitani (NHK) |
This paper describes transient phenomena in solid state power amplifiers(PA) on the two types of medium wave transmitter... [more] | |
| R | 2004-10-22 15:50 |
Fukuoka | Kyushu University | Reliability Management for lightning Strike in Large Power Medium wave Radio Transmitting Station Kiyotaka Hori, Tomohide Kakutani, Rui Nakamura, Hajime Asanuma, Ikuji Fujitani, Kazuaki Wakai (NHK) |
(To be available after the conference date) [more] | R2004-39 pp.29-34 |
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