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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 55  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2021-02-19
Online Online The Effects of the FDTD Modeling Structure on the Simulated Radiation Characteristics of Electromagnetically Coupled Embroidered Patch Antennas
Daiki Ichikawa, Hiroki Fujiyama, Tadahiko Maeda (Ritsumeikan Univ.) AP2020-124
Embroidered wearable antennas composed of conductive yarns are inherently conformal, light-weight, and flexible and ther... [more] AP2020-124
AP 2019-05-17
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
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
AP 2017-04-20
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
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
AP 2016-03-10
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
MBE, BioX, NC 2015-10-25
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
AP 2015-10-22
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
AP 2015-10-22
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
AP 2014-12-11
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
AP 2014-04-18
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]
AP 2014-04-18
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
AP 2014-04-18
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
AP 2013-04-19
Hyogo Kwansei Gakuin Univ. Hepta-band Monopole Antenna for mobile terminals
Takashi Uemura, Noriaki Hashimoto, Tadahiko Maeda (Ritsumeikan Univ.) AP2013-11
 [more] AP2013-11
AP 2013-04-19
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
AP 2013-04-19
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
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
EMCJ, ITE-BCT 2010-03-12
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
AP 2009-04-09
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
AP 2009-01-22
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
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