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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, AP (Joint) |
2021-09-09 13:25 |
Online | Online | Broadband Left-Handed Region of CRLH-TL Using an Ω-Shaped Interdigital Capacitive Gap Tetsuhiro Takada, Mikio Tsuji, Hiroyuki Deguchi (Doshisha Univ.)  MW2021-34 |
Various structures have been proposed to expand the left-handed region of the right-handed/left-handed combined transmis... [more] | MW2021-34 pp.6-11 |
| EMCJ | 2021-01-22 14:40 |
Online | Online | Construction of 3D Analysis Model due to Signal Transmission Evaluation in Connector Taiki Kitazawa (NIT,Nagano College), Hiroyuki Ueda, Fujimoto Daisuke, Youngwoo Kim, Hayashi Yuichi (NAIST), Kasuga Takashi (NIT,Nagano College) EMCJ2020-67 |
As high-speed transmission of big data progresses, Signal Integrity (SI) degradation and Electromagnetic Interference (E... [more] | EMCJ2020-67 pp.18-23 |
| WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi | Tohoku University | An Efficiency of Impedance Matching Approach with Lossy Elements in Wireless Power Transfer System Satoshi Suzuki, Qiang Chen, Hiroyasu Sato (Tohoku Univ.) |
Impedance matching is one of the most important theory for Wireless Power Transfer(WPT). It is to realize complex conjug... [more] | |
| WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas | National University of Singapore(AWPT2017) | Evanescent-wave Coupling for Highly Efficient Wireless Power Transfer Daisuke Nakamichi, Hiroyasu Sato, Qiang Chen (Tohoku Univ.) |
In order to enhance power transmission efficiency of a near field wireless power transfer (WPT) system, impedance matchi... [more] | |
| EE, WPT (Joint) |
2017-10-17 09:30 |
Miyagi | Tohoku Univ. | Development of High Efficient of Wireless Power Transfer Using Coupler of Open-End Waveguide Daisuke Nakamichi, Qaing Chen (Tohoku Univ.) WPT2017-36 |
In order to realize a high power transmission efficiency in the near field wireless power transfer (WPT) system, impedan... [more] | WPT2017-36 pp.1-5 |
| EMCJ, WPT, PEM (Joint) |
2016-11-24 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental Investigation of Near Field Wireless Power Transfer System by Using Reconfigurable Antenna Shun Maruyama, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai College) WPT2016-41 |
In order to realize the high power transmission efficiency of near field wireless power transfer (WPT) system, the imped... [more] | WPT2016-41 pp.25-29 |
| WPT (2nd) |
2015-12-11 16:40 |
Overseas | TamKang University, Tamsui Campus | Efficiency Improvement of Near Field Wireless Power Transfer System by Parasitic Element Array Shun Maruyama, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai College) |
In order to realize the high power transmission efficiency of near field wireless power transfer (WPT) system , the impe... [more] | |
| EE, WPT, IEE-SPC (Joint) [detail] |
2015-07-07 14:30 |
Kyoto | Automatic Impedance Matching Technique by Using Air-Variable Capacitor for 6.78MHz-Band WPT System Teruhiko Yamamoto, Keisuke Mikami (Ryukoku Univ.), Tetsuya Ishida (Wave Technology), Toshio Ishizaki (Ryukoku Univ.) WPT2015-42 |
For practical application of WPT, it is necessary to reduce a mismatch loss when relative positions of resonators are ch... [more] | WPT2015-42 pp.37-42 |
|
| WPT | 2014-12-19 09:20 |
Oita | Daihen Tech. | Dynamic Impedance Matching for Mobile Wireless Power Transmission Keisuke Mikami, Toshio Ishizaki (Ryukoku Univ.) WPT2014-68 |
Wireless power transfer technology has some problem for stabilizing high-efficiency power transmission. For resonance-co... [more] | WPT2014-68 pp.25-30 |
| ICD | 2014-01-28 15:00 |
Kyoto | Kyoto Univ. Tokeidai Kinenkan | [Poster Presentation]
A High-efficiency Power Supply Circuit for an RF Energy Harvesting Shochi Asai, Ippei Akita, Makoto Ishida (Toyohashi Univ. of Tech.) ICD2013-103 |
A high efficiency power supply circuit is required in an RF energy harvester with limited receivable power. However, the... [more] | ICD2013-103 p.11 |
| MW | 2013-05-31 10:45 |
Kyoto | Ryukoku Univ. | Dynamic Impedance Matching for Mobile Wireless Power Transmission Keisuke Mikami, Genta Kitano, Toshio Ishizaki (Ryukoku Univ.) MW2013-18 |
Wireless power transfer technology has some problem for stable high-efficiency transmission. For resonance-coupled wirel... [more] | MW2013-18 pp.47-52 |
| SR, RCS, SRW (Joint) |
2012-03-09 10:50 |
Kanagawa | YRP | Analysis of Read Range for UHF Passive RFID Tags in Close Proximity Based on Measurement of Forward and Reverse Link Received Power Hiroyuki Yojima, Yohtaro Umeda (TUS), Osamu Takyu (Shinshu Univ.), Takaaki Okada, Yoshiharu Ishikawa (Toppan Forms) RCS2011-362 |
In this paper, we discuss the change of read range between a UHF passive RFID tag and a reader when a tag is close to an... [more] | RCS2011-362 pp.275-280 |
| AP, WPT (Joint) |
2011-10-14 14:55 |
Kanagawa | Kanagawa Womens Center | A study of efficiency improvement of wireless power transfer by impedance matching Kenichiro Ogawa, Noriaki Oodachi, Hiroki Kudo, Shuichi Obayashi, Hiroki Shoki (TOSHIBA), Tasuku Morooka AP2011-85 |
In magnetic resonance type radio electric power transmission, when a foreign substance approaches a coil, impedance mism... [more] | AP2011-85 pp.49-54 |
| AP, RCS (Joint) |
2008-11-19 13:25 |
Ishikawa | Kanazawa Institute of Technology | Change of Transmission Distance for Close UHF Passive RFID Tags Yu Tanaka, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of Science), Machiko Nakayama, Kazunari Kodama (Toppan Forms) AP2008-112 |
Approach of UHF band RFID tags will produce an electromagnetic interference. Then, the electric power loss by mismatchin... [more] | AP2008-112 pp.7-12 |
| EA, US (Joint) |
2008-01-29 14:45 |
Osaka | Kansai University | Measurement of acoustic property of liquid medium beyond a polymer plate Shigemi Saito, Takanori Watanabe (Tokai Univ.) US2007-104 |
Using focused ultrasound, the measurement for linear acoustic properties of a sample with volume as small as 0.1 ml, fil... [more] | US2007-104 pp.43-48 |
| AP | 2007-03-08 13:40 |
Overseas | Taiwan (Yuan Ze Univ.) | Adaptive Impedance Matching System using FPGA Processor of Efficient Control Algorithm Hirokazu Oba, Minseok Kim, Ryotaro Tamaki, Hiroyuki Arai (Yokohama Natl. Univ.) AP2006-149 |
The input impedance of the antenna fluctuates because of various usage conditions, which causes a mismatch between an in... [more] | AP2006-149 pp.29-31 |
| RCS, AP, WBS, MW, MoNA | 2005-03-03 15:10 |
Kanagawa | Yokosuka Research Park | Theoretical and Experimental Verification of the Effects of Mutual Coupling on a 2x2 MIMO System Chua Hai Yeow Eugene, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa (Matsushita Electric Industrial Co. Ltd.) |
Recently, MIMO systems have been attracting much attention for its potential to realize high data rate communications. ... [more] |
WBS2004-118 AP2004-299 RCS2004-386 MoMuC2004-169 MW2004-296 pp.117-122 |
| 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] | |
| EMCJ | 2004-10-01 15:05 |
Nara | EMI Filtering solutions for High Definition Multimedia Interface(HDMI)
-- Utilizing inpedance matched common mode choke coil -- Takahiro Azuma, Hiroshi Tanaka, Masahiko Kawaguchi, Shinichi Madokoro (murata) |
We would like to introduce EMI filtering solution, which is matched characteristic impedance between transmission line a... [more] | EMCJ2004-61 pp.35-38 |
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