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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 54件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2019-05-17
14:25
Hyogo Kanpo-no-yado Arima (Arima Onsen, Hyogo) Effects of Fabrication Accuracy on the Radiation Characteristics of Electromagnetically Coupled Microstrip Patch Antennas Embroidered Using Conductive Yarns
Daiki Ichikawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2019-13
Embroidered wearable antennas composed of conductive yarns are inherently conformal, light-weight, and flexible and ther... [more] AP2019-13
pp.71-74
RCS, AP
(Joint)
2018-11-20
11:15
Okinawa Okinawa Industry Support Center The Effects of Embroidered Structure on the Radiation Pattern of Embroidered Wideband Slot Antennas
Akito Suzuki, Hiromu Horaguchi, Tadahiko Maeda (Ritsumeikan Univ.) AP2018-104
When textile antennas are embedded into the clothes, the sewing pattern of radiating elements affects the plasticity, fl... [more] AP2018-104
pp.15-18
AP 2017-04-20
16:15
Osaka Osaka university A Novel Fake Finger Detection with CSRR Filters -- Bio-electromagnetic Mapping with 3D Electromagnetic Response inside Human Body --
Tadahiko Maeda (Ritsumeikan Univ.) AP2017-11
Though widely used for personal identification due to their convenience, fingerprint authentication systems currently la... [more] AP2017-11
pp.55-58
RCS, AP
(Joint)
2016-11-24
11:10
Kyoto Kyoto International Community House Radiation Characteristics of Embroidered Wideband Wearable Antennas Using Different Sewing Patterns
Takayuki Yoshikawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2016-109
When textile antennas are embedded into the clothes, the sewing pattern of radiating elements affects the plasticity, fl... [more] AP2016-109
pp.11-16
AP 2016-03-10
12:45
Yamanashi Isawa Onsen (Kanpo no Yado) The Effects of the Embroidered Structures on the Radiation Characteristics of Conductive Yarn Radiating Elements Placed in the Vicinity of a Human Body
Hiromichi Nomura, Tadahiko Maeda (Ritsumeikan Univ.) AP2015-207
 [more] AP2015-207
pp.19-24
MBE, BioX, NC 2015-10-25
16:50
Osaka Osaka Electro-Communication University Transparent Liveness Detection Sensors for Optical Fingerprint Authentication Systems
Kazumasa Iijima, Yumenosuke Takewari, Tadahiko Maeda (Ritmeikan Univ.) BioX2015-38 MBE2015-49 NC2015-33
In offering more reliable and convenient means of authentication than traditional methods, biometrics systems have becom... [more] BioX2015-38 MBE2015-49 NC2015-33
pp.87-90
AP 2015-10-22
10:30
Yamaguchi Yamaguchi Pref. Roufukukyo-kaikan Method of Enhancing the Security of Fingerprint Authentication Using the Electromagnetic Response of Human Fingers
Yumenosuke Takewari, Kazumasa Iijima, Tadahiko Maeda (Ritsumeikan Univ.) AP2015-94
Though widely used for personal identification due to their convenience, fingerprint authentication systems currently la... [more] AP2015-94
pp.9-12
AP 2015-10-22
10:55
Yamaguchi Yamaguchi Pref. Roufukukyo-kaikan A Phantom Composition Design System to Support the Development of Human Body-Equivalent Phantoms with Low Relative Permittivity and Conductivity at 1-5 GHz
Takaki Kurashige, Shintaro Kiyoda, Tadahiko Maeda (Ritsumeikan Univ.) AP2015-95
Our previously reported preliminary version of phantom composition design software aimed to support radio engineers inex... [more] AP2015-95
pp.13-18
AP 2014-12-11
16:15
Tokyo Kikai-Shinko-Kaikan Bldg. Inside Electric Field Measurements with Real Shape Human Head Phantom
Yusuke Toyoda, Tadahiko Maeda (Ritsumeikan Univ.) AP2014-160
In assessing the radiation characteristics of wireless devices such as mobile phones, the conventional method for SAR me... [more] AP2014-160
pp.55-60
AP 2014-04-18
09:40
Kyoto Ritsumeikan University (Suzaku Campus) Electric Field Measurements with a 3D Semi-solid Multi-layer Human Head Equivalent Phantom
Yusuke Toyoda, Kensuke Nakajima, Tadahiko Maeda (Ritsumeikan Univ.) AP2014-10
Mobile terminals such as mobile phones and smart phones have been
widely used recently and it is important to assess e... [more]
AP2014-10
pp.51-54
AP 2014-04-18
11:05
Kyoto Ritsumeikan University (Suzaku Campus) A Study on a Liveness Detection Method with Relative Templates using 6GHz band and 10GHz band CSRR-BPF
Koichi Aoki, Kensuke Nakajima, Tadahiko Maeda (Ritsumeikan Univ.) AP2014-13
The demand for biometric authentication technologies, such as vein authentication or fingerprint authentication is rapid... [more] AP2014-13
pp.65-69
AP 2014-04-18
14:25
Kyoto Ritsumeikan University (Suzaku Campus) [Invited Lecture] Body Mounted Antennas for Wireless Systems -- Eyeglass-type Antenna and Phantom Composition Design Expert System --
Tadahiko Maeda, Hiro Yoshida, Kazuma Terauchi, Hayato Sato, Fumiaki Komori (Ritsumeikan Univ.) AP2014-17
This invited lecture describes the radiation mechanism and design method of a through-hole type Yagi-Uda antenna, which ... [more] AP2014-17
pp.89-94
AP 2013-04-19
10:10
Hyogo Kwansei Gakuin Univ. Hepta-band Monopole Antenna for mobile terminals
Takashi Uemura, Noriaki Hashimoto, Tadahiko Maeda (Ritsumeikan Univ.) AP2013-11
 [more] AP2013-11
pp.61-64
AP 2013-04-19
11:10
Hyogo Kwansei Gakuin Univ. A Lossy Medium Coated Cavity-back Antenna for Microwave Radar-Based Imaging
Kazutaka Miyawaki, Junichi Toda, Fumiaki Komori, Kensuke Nakajima, Tadahiko Maeda (Ritsumeikan Univ.) AP2013-13
 [more] AP2013-13
pp.71-74
AP 2013-04-19
11:35
Hyogo Kwansei Gakuin Univ. Inside Electric field Measurements with a Diamond-shape Probe for a Solid-eyeball Phantom embedded in a Simplified Human Head Model
Manabu Takagi, Yusuke Toyoda, Fumiaki Komori, Tadahiko Maeda (Ritsumeikan Univ.) AP2013-14
The conventional method for SAR measurements in assessing the radiation characteristics of a mobile phone is to apply an... [more] AP2013-14
pp.75-80
AP, RCS
(Joint)
2010-11-11
13:05
Fukui Fukui Univ. A Small Loop Antenna with a Function of Controlling Polarization
Norihiro Miyashita (Panasonic/Ritsumeikan Univ.), Koichi Ogawa (Panasonic), Tadahiko Maeda (Ritsumeikan Univ.) AP2010-102
We have proposed an antenna for mobile wireless terminals with a function of controlling the polarization by changing th... [more] AP2010-102
pp.57-62
EMCJ, ITE-BCT 2010-03-12
14:55
Tokyo Kikai-Shinko-Kaikan Bldg. The Evaluation of the Antenna Measurement Accuracy Using Ferrite Cores and Baluns for Small Antennas
Yasuo Morimoto, Tadahiko Maeda (Ritsumeikan Univ.) EMCJ2009-131
It has been reported that the leakage current along the external side of the outer conductor of a feeding cable connecte... [more] EMCJ2009-131
pp.31-36
AP 2009-04-09
15:15
Osaka Osaka Prefecture Univ. Lossy Media Coated Wideband Cavity-backed Bowtie Antenna for Ground Penetrating Radar
Shingo Murata, Tadahiko Maeda (Ritsumeikan Univ.) AP2009-10
The frequency spectrum of a conventional ground penetrating radar is ranging from several MHz through 1GHz since the eff... [more] AP2009-10
pp.55-60
AP 2009-01-22
13:25
Fukuoka Fukuoka University Antenna Input Impedance measurements by Coil-shaped Feeding Cable Coverd with Lossy Medium
Zhengxing Wang, Takashi Arakawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2008-167
In this report,the influence of the leakage current along the feeding cable used during the impedancemeasurement was exa... [more] AP2008-167
pp.101-106
AP 2008-12-11
14:30
Tokyo Kikai-Shinko-Kaikan Bldg. Miniaturization of a circular radiating element using sandwiched dielectric loading for Ring-type UWB antennas.
Takashi Arakawa, Ken-ichi Asanuma, Katsuhiro Fujimoto, Takayuki Wakabayashi, Tadahiko Maeda (Ritsumeikan Univ.) AP2008-144
This report describes the radiation characteristics of ring-type UWB antennas placed in the vicinity of a simulated huma... [more] AP2008-144
pp.25-30
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