Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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, 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 |
2009-01-22 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 |
AP |
2008-09-11 13:25 |
Kanagawa |
National Defense Academy |
Wideband Design Method for Self-Adaptive Power Divider Configuration for Reducing the Effects of Human Hand Placed in the Vicinity of Antennas Hiroshi Tanji, Wataru Nakamura, Tadahiko Maeda (Ritsumeikan Univ.) AP2008-82 |
Human hand affects radio-frequency devices such as built-in antennas when these devices are used by the human operator. ... [more] |
AP2008-82 pp.43-48 |
AP |
2008-03-13 14:15 |
Aichi |
Nanzan Univ. |
The Effects of Antenna Arrangement and Human Hand on the MIMO Channels for Short Range Wireless Communication Takahiro Mizuno, Satoshi Kojima, Kouta Nakamura, Keiichi Yoshitomi, Ken-ichi Asanuma, Tadahiko Maeda (Rits Univ.) AP2007-180 |
Recently, MIMO (Multiple-Input Multiple-Output) has attracted much attention as a technology achieving a higher channel ... [more] |
AP2007-180 pp.43-48 |
AP |
2008-03-13 14:50 |
Aichi |
Nanzan Univ. |
MIMO Channel Measurements including Human body and Blocking Objects at 2.4GHz/5.2GHz Satoshi Kojima, Takahiro Mizuno, Kouta Nakamura, Keiichi Yoshitomi, Ken-ichi Asanuma, Tadahiko Maeda (Rits Univ.) AP2007-181 |
In recent years, MIMO (Multiple-Input Multiple-Output) systems achieving high data rate transmission have been receiving... [more] |
AP2007-181 pp.49-54 |