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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2023-01-25
14:20
Online Online Compact aerial ultrasonic source by bolt-clamped Langevin transducer integrating transverse vibration part with flange
Ryota Ohfuchi (Nihon Univ.), Takashi Kasashima, Shinsuke Itoh (NGK spark Plug Co., Ltd.), Takuya Asami, Hikaru Miura (Nihon Univ.) US2022-73
Aerial ultrasonic sensors and aerial haptics require compact ultrasonic sources, but the difficulty in generating intens... [more] US2022-73
pp.12-17
ITS, IEE-ITS, IPSJ-ITS 2022-09-16
13:20
Tokyo Waim Meeting Room
(Primary: On-site, Secondary: Online)
A Study on Frequency Estimation by using Multiple Ultrasonic Sensors for Burst Signals
Toshiaki Matsushima, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Asuka Tsujii, Takashi Kasashima (NGK SPARK PLUG), Takaya Yamazato (Nagoya Univ.) ITS2022-6
We discuss a frequency estimation algorithm for an incoming ultrasonic burst signal in order to determine the motion and... [more] ITS2022-6
pp.1-6
US 2022-05-19
14:05
Tokyo Kikai-Shinko-Kaikan Bldg. Transfer matrix simulation of Langevin type transducer driving including the nonlinear effect
Kota Yokoyama (The Univ. of Tokyo/NGK Spark Plug), Takashi Kamashima (NGK Spark Plug), Susumu Miyake, Takeshi Morita (The Univ. of Tokyo) US2022-7
Bolt-clamped Langevin transducer are widely used for high-power applications; however, saturation of vibration velocity ... [more] US2022-7
pp.26-31
IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] 2022-02-22
13:30
Online Online A Study on Performance Improvement of Target Positioning based on Multilateration
Eichi Morita, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Asuka Tsujii, Takashi Kasashima (NGK SPARK PLUG), Takaya Yamazato (Nagoya Univ.) ITS2021-59 IE2021-68
We focus on a target position estimation algorithm to detect targets by using an ultrasonic sensor array equipped in fro... [more] ITS2021-59 IE2021-68
pp.202-207
US 2021-05-17
16:20
Online Online Reveal the vibration characteristics of DPLUS: the selection criteria of piezoelectric materials
Chen Kang (Univ. of Tokyo), Irie Takasuke (Microsonic), Iijima Takashi (Tokyo Univ. of Science), Kasashima Takashi (NGK), Yokoyama Kota, Susumu Miyake, Morita Takeshi (Univ. of Tokyo) US2021-6
 [more] US2021-6
pp.24-29
US 2021-01-29
17:15
Online Online Study of a small circular vibrating plate type aerial ultrasonic source using bolt-clamped Langevin-type transducer with ultra-low loss PZT
Takuya Asami, Hiroki Monzen (Nihon Univ.), Shinsuke Itoh, Takashi Kasashima (NGK SPARK PLUG), Hikaru Miura (Nihon Univ.) US2020-65
 [more] US2020-65
pp.44-48
US 2018-02-19
16:00
Tokyo   Evaluation method of piezoelectric materials for high-power ultrasonic applications
Susumu Miyake (UT), Takashi Kasashima, Masato Yamazaki, Yasuyuki Okimura (NTK), Hajime Nagata (TUS), Takeshi Morita (UT) US2017-118
High power properties of piezoelectric transducer were evaluated considering complex nonlinear elastic constants. The pi... [more] US2017-118
pp.37-42
WPT 2015-06-12
13:45
Tokyo Univ. of Tokyo Development of Small Size Self-Resonant Resonator mounting Dielectric Material for Wireless Power Transfer via Magnetic Resonant Coupling
Shinichiro Haneishi, Yoshinori Tsujimura (NTK), Takehiro Imura (UTokyo) WPT2015-24
We have developed small-size resonators installed the dielectric material in a space between coils in order to increase ... [more] WPT2015-24
pp.19-24
LQE 2009-12-11
16:55
Tokyo Kikai-Shinko-Kaikan Bldg. Self-alignment technology of optical devices and optical sub-assembly for optical interconnect
Atsushi Suzuki (NGK Spark Plug Co., Ltd.), Katsuya Kikuchi, Yoshikuni Okada, Hiroshi Nakagawa, Masahiro Aoyagi, Takashi Mikawa (AIST) LQE2009-153
We report a novel optical implementation technology and an optical subassembly for inter- and intra-cabinet optical sign... [more] LQE2009-153
pp.75-80
EMCJ, MW 2004-10-28
- 2004-10-29
Iwate   Complex Relative Permittivity Measurement by Using an Open Resonator -Part2-
Daisuke Igimi, Yutaka Higashida (JFCC), Takashi Kasashima, Kazushige Ohbayashi (NTK), Ryuichi Katsumi (The Furukawa)
The measurement accuracy of complex relative permittivity using open resonator was investigated in millimeter wave frequ... [more]
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