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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, AP (Joint) |
2015-09-17 09:55 |
Tochigi | Oyama National College of Tech. | A Consideration on Frequency Control of a Multi-Ring Microstrip Antenna with Varactor Diodes Shuhei Sato, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.)  AP2015-80 |
This paper presents design of a frequency-tunable multiband microstrip antenna with varactor diodes. In order to realize... [more] | AP2015-80 pp.5-10 |
| OFT | 2014-05-30 09:25 |
Yamagata | True Time Delay Beamforming Using Semiconductor Optical Amplifier and Tunable Dispersion Medium for Phased Array Antenna Yamato Minamoto, Motoharu Matsuura (UEC) OFT2014-10 |
We demonstrated optical phased array antenna based on true-time delay(TTD) beamforming for radio-over-fiber using semico... [more] | OFT2014-10 pp.45-50 |
|
| EMCJ, IEE-EMC, MW, EST [detail] | 2013-10-25 12:10 |
Miyagi | Tohoku Univ. | Study of Tunable branch line coupler Yoshimitsu Yachi, Hajime Kondo (Chuo Electronics), Hitoshi Ishida (Gunma-CT) EMCJ2013-82 MW2013-122 EST2013-74 |
Power dividers are used to divide the input power into a number of smaller amounts of power for exciting the radiating e... [more] | EMCJ2013-82 MW2013-122 EST2013-74 pp.131-134 |
| AP, MW (Joint) |
2012-09-28 14:25 |
Saitama | KDDI R&D LABS | A consideration on frequency control of a multi-ring microstrip antenna with a variable reactance circuit Shuhei Sato, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2012-91 |
This paper presents design of a frequency-tunable multiband microstrip antenna with a variable reactance circuit (VRC). ... [more] | AP2012-91 pp.55-60 |
| AP, SAT (Joint) |
2012-07-27 16:00 |
Hokkaido | Hokkaido Univ. | Study on Tunable Decoupling Network Comprising Transmission Lines and Lumped Element Shumo Li, Naoki Honma, Naoya Yamaki (Iwate Univ.) AP2012-64 |
In this report, a tunable DN (DN : decoupling network) comprising transmission lines and lumped elements is proposed for... [more] | AP2012-64 pp.197-202 |
| AP | 2010-12-17 11:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Efficiency of a Reactance-Laded Small Antenna Kyoichi Iigusa, Hiroshi Harada (NICT) AP2010-125 |
We propose a reactance-loaded small antenna and a calculation method of the radiation efficiency dependency on loading r... [more] | AP2010-125 pp.43-48 |
| AP | 2010-01-21 13:20 |
Yamaguchi | Yamaguchi University | A Study on Enhancement of Frequency Band of 3 Elements Yagi-Uda Antenna with a Narrow Spacing Kyoichi Iigusa, Hiroshi Harada (NICT) AP2009-162 |
The increase of the frequency band of 3 elements Yagi-Uda antenna with narrow spacing is examined by composing element d... [more] | AP2009-162 pp.39-44 |
| RCS, AP (Joint) |
2009-11-27 09:50 |
Tokyo | Tokyo Inst. of Tech. | Controlling of Impedance Matched Frequency by Loading Varactors and Proposal of Tunable Antenna Electromagnetically Fed by Wideband Antenna Kyoichi Iigusa, Hiroshi Harada (NICT) AP2009-130 |
A technique to enhance the impedance matched frequency of an antenna is studied to apply it for a cognitive wireless com... [more] | AP2009-130 pp.67-72 |
| MW | 2008-12-12 11:15 |
Toyama | Toyama-Univ. Gofuku-camp. | Chip Antenna Integrated with Tuning Circuit for 1seg D-TV Usage Kenichi Ishizuka, Hiroshi Nishida, Kazunari Kawahata (Murata Manufacturing Co.,Ltd.) MW2008-151 |
This paper proposes the miniaturized antenna for the cellular phone with 1-Seg system. Firstly we examined the matching ... [more] | MW2008-151 pp.31-36 |
| AP | 2008-12-11 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal and Basic Study of an Impedance-Matching-Frequency Reconfigurable Electromagnetically Fed Inverted-F Antenna Kyoichi Iigusa, Hiroshi Harada (National Inst. of Info and Com Tech.) AP2008-141 |
We propose an antenna composed of several inverted-F antennas, that can be impedance-matched in the frequency band compr... [more] | AP2008-141 pp.7-12 |
| AP | 2008-10-17 16:40 |
Miyagi | Tohoku Gakuin University | Fast Control Method of Parasitic Antennas using Non-iterative Algorithm in Multi-Antenna System Naoki Honma, Kentaro Nishimori, Yasushi Takatori, Masato Mizoguchi (NTT) AP2008-110 |
An anlalog beam steering antenna, which has the driven elements and parasitic elements with tunable reactance devices, c... [more] | AP2008-110 pp.87-92 |
| AP, SAT (Joint) |
2006-05-19 14:40 |
Kagoshima | Kagoshima Univ. | Miniaturization of a Sleeve Antenna with Variable Capacitors Kengo Nishimoto, Ryosuke Umeno, Toru Fukasawa, Masataka Ohtsuka (Mitsubishi Electric) AP2006-28 |
In a sleeve antenna, CRB(Current Rejection Band: the band within which the leakage current on the feeder is suppressed) ... [more] | AP2006-28 pp.105-110 |
| AP | 2006-01-27 15:40 |
Fukuoka | Fukuoka Inst. of Tech. | A Study of A Compact loop anntena for mobile phone for Degital Terrestrial Broadcasting system Isao Ohba, Hiromichi Suzuki, Takashi Minemura, Takashi Amano (Toshiba) |
In April 2006, digital terrestrial broadcasting services start especially for mobile handheld terminals. UHF band applie... [more] | AP2005-156 pp.109-112 |
| AP | 2005-09-09 10:50 |
Aichi | TOYOTA CENTRAL R&D LABS., INC. | A study of a T-shaped antenna for mobile phone for digital terrestrial broadcasting system Isao Ohba, Hiromichi Suzuki, Takashi Minemura, Takashi Amano (Toshiba Corp.) |
In 2006, terrestrial broadcasting services for mobile terminals will start in Japan. Frequencies to be applied are UHF b... [more] | AP2005-80 pp.85-90 |
| AP, SAT (Joint) |
2005-07-20 15:15 |
Hokkaido | Hotel Taisetsu | A loop anntenna for mobile phone for Digital Terrestrial Broadcasting reception Hiromichi Suzuki, Isao Ohba, Takashi Minemura, Takashi Amano (Toshiba Corp.) |
Digital Terrestrial Broadcasting in Japan utilizes UHF band and is going to range from 470MHz to 770MHz. Thus, a receive... [more] | AP2005-45 pp.47-52 |
| AP | 2005-01-20 11:45 |
Saga | Saga University | Circularly Polarized Microstrip Patch Antenna with Structure of Variable Antenna Height Takahiko Terada, Kazuhiro Kitatani, Yasuyuki Okamura (Osaka Univ.) |
We discussed the circularly polarized patch antenna with structure of variable antenna height. This antenna has air gap,... [more] | AP2004-201 pp.31-36 |
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