Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
US |
2019-08-28 13:25 |
Tokyo |
|
Analysis of the RF signal from the acoustic marker Tomoo Sato, Kageyoshi Katakura, Sayuri Matsumoto (PARI) US2019-38 |
In this report, we call an acoustic marker which is consisted of four pieces of triangular trihedral corner reflectors. ... [more] |
US2019-38 pp.5-9 |
US, EA (Joint) |
2018-01-23 13:00 |
Osaka |
|
[Poster Presentation]
Direction control of projecting wave from ultrasonic speaker constructed by phase inversion element Yosuke Sasagawa, Shunichi Fujii, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto, Kageyoshi Katakura (PARI) US2017-92 |
[more] |
US2017-92 pp.55-58 |
EA, US (Joint) |
2017-01-25 10:30 |
Kyoto |
Doshisha Univ. |
[Poster Presentation]
Direction control of projecting wave from ultrasonic speaker constructed by phase inversion element Yosuke Sasagawa, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto, Kageyoshi Katakura (PARI) US2016-72 |
Ultrasonic speakers can be radiated sound wave linearly by using ultrasonic waves. A typical ultrasonic speaker has been... [more] |
US2016-72 pp.1-4 |
US |
2016-08-25 15:55 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
Acoustic beam characteristics of polarization inverted transmitter for wide view in near field Tomoo Sato, Kazuki Abukawa (PARI), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Kageyoshi Katakura, Sayuri Matsumoto (PARI) US2016-42 |
Experimental study regarding self-focusing of polarization inverted array was done. In the array, the polarization of ea... [more] |
US2016-42 pp.23-28 |
US |
2015-02-27 10:50 |
Kanagawa |
IHI Yokohama |
Study on the Defect Imaging for Shallow Part under Concrete Surface using SLDV and Air-coupled Sound Wave
-- Study about the Strong Ultrasonic Sound Source -- Tsuneyoshi Sugimoto (Toin Univ.), Ryo Akamatsu (Ryoden), Ituki Uechi, Kazuko Sugimoto (Toin Univ.), Noriyuki Utagawa (Sato Kogyo), Kageyoshi Katakura (Meitoku) US2014-95 |
The non-contact acoustic inspection method for non destructive testing of concrete have been studied using the air-coupl... [more] |
US2014-95 pp.7-12 |
US |
2015-02-27 11:10 |
Kanagawa |
IHI Yokohama |
Study on the Defect Imaging for Shallow Part under Concrete Surface using SLDV and Air-coupled Sound Wave
-- The algorithm to detect defects using vibration energy ratio and spectrum entropy -- Kazuko Sugimoto (Toin Univ. of Yokohama), Ryo Akamatsu (Ryoden), Tsuneyoshi Sugimoto (Toin Univ. of Yokohama), Chitose Kuroda, Noriyuki Utagawa (Sato Kogyo), Kageyoshi Katakura (Meitoku) US2014-96 |
[more] |
US2014-96 pp.13-17 |
US |
2014-02-21 15:50 |
Tokyo |
Chofu Aerospace Center, Aerodrome Branch, JAXA |
Study on the Defect Imaging for Shallow Part under Concrete Surface using SLDV and Air-coupled Sound Wave
-- Improvement of S/N ratio using Time and Time-frequency gating method -- Ryo Akamatsu, Tsuneyoshi Sugimoto (Toin Univ. of Yokohama), Noriyuki Utagawa (Sato Kogyo), Kageyoshi Katakura (Meitoku Eng., Lab.) US2013-111 |
[more] |
US2013-111 pp.93-98 |
US |
2013-02-19 13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Study on the Defect Imaging for Shallow Part under Concrete Surface using SLDV and Air-coupled Sound Wave
-- Examination of Detection of the Exfoliation Defect -- Ryo Akamatsu, Tsuneyoshi Sugimoto (Toin Univ. of Yokohama), Noriyuki Utagawa (Sato Kogyo), Kageyoshi Katakura (Meitoku Eng. Lab.) US2012-111 |
Until now, hammering test is the most used inspection method for concrete structures. However, the detection accuracy de... [more] |
US2012-111 pp.1-5 |
US |
2012-08-27 16:20 |
Overseas |
Pukyong National University |
Consideration about measuring of bended steel pile under the ground in earthquake Sayuri Matsumoto, Toshinari Tanaka, Taketsugu Hirabayashi, Muneo Yoshie, Kageyoshi Katakura (Port and Airport Research Inst.), Yoshiaki Kikuchi (Tokyo Univ. of Science), Hideki Takahashi (Port and Airport Research Inst.) US2012-43 |
When the Tohoku earthquake occurred on 11 March 2011, piles heads moved about 40cm to southward. The piles have been dri... [more] |
US2012-43 pp.47-52 |
US |
2012-08-27 16:40 |
Overseas |
Pukyong National University |
Development of Four-Dimensional Underwater Image-Capture Apparatus Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Inst.), Mitsuhiko Nanri (Hitachi), Norihide Takeyama (Genecia), Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.), Takatoshi Noguchi (Mlit) US2012-44 |
A new underwater technology of visual contact and survey, which independent on water turbidity and/or illuminance has be... [more] |
US2012-44 pp.53-58 |
US |
2012-08-27 17:00 |
Overseas |
Pukyong National University |
Development of Non-contact Thickness Gauging Equipment for Underwater Steel Structure Kazuhiro Shirai, Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Inst.) US2012-45 |
We have developed a non-contact thickness gauging equipment for underwater steel structures such as steel pipe piles of... [more] |
US2012-45 pp.59-63 |
US |
2009-08-28 16:35 |
Tokyo |
|
Noncontact ultrasonic thickness gauging for steel structures in ports
-- field test at Tanoura wharf -- Natsuki Yoshizumi, Sayuri Matsumoto, Kageyoshi Katakura (PARI), Takashi Matsumoto, Harumi Fukuda, Hideki Kume (MLIT) US2009-37 |
We develop a novel thickness measurement system for steel structures in ports. The system is based on ultrasonic multip... [more] |
US2009-37 pp.43-48 |
US |
2008-11-27 14:00 |
Shizuoka |
|
Noncontact ultrasonic thickness gauging for steel structures in ports Natsuki Yoshizumi, Sayuri Matsumoto, Kageyoshi Katakura (Port and Airport Research Institute), Hiroyuki Hashimoto, Nobuaki Tomoda, Kunirou Ishinuki (Ministry of Land, Infrastructure, Transport and Tourism) US2008-62 |
We proposed the novel thickness measurement technique for steel structures in ports. The technique is based on ultrason... [more] |
US2008-62 pp.7-12 |