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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 2015-05-25
15:50		 Tokyo Kikai-Shinko-Kaikan Bldg. Velocity change by electrode open/close of piezoelectric vibrator
Yoshio Udagawa (isl) US2015-14		 Examination of material property change by open/close electrodes of piezo vibrator. [more] US2015-14
pp.31-34
US 2015-05-25
16:15		 Tokyo Kikai-Shinko-Kaikan Bldg. Measuremet method of sensitivity of piezoelectric vibrator by only capacitances
Yoshio Udagawa (isl), Mutsuo Ishikawa (Toin), Tsuyoshi Mihara (Tohoku Univ.) US2015-15		 By measureing capacitor of piezomaterial in lower frequency and higher frequency, we know the sencitivity of the materi... [more] US2015-15
pp.35-38
US 2015-02-27
16:25		 Kanagawa IHI Yokohama Nominal resonance frequency of the transducer and its real vibration frequency
Yoshio Udagawa (I.S.L), Osami Kobori (ESI) US2014-103		  [more] US2014-103
pp.51-54
US 2015-02-27
16:45		 Kanagawa IHI Yokohama Rerationship between receiving pressure wave and observed signal
Yoshio Udagawa (ISL), Osami Kobori (Denshikagaku Labs.) US2014-104		 We discussed about better conbination of receiving system of ultrasound wave. [more] US2014-104
pp.55-56
US 2015-02-27
17:05		 Kanagawa IHI Yokohama Analysis of Spatio-Temporal Characteristics of Radiated Sound Field from Finite Aperture Piezoelectric Transducer
Akira Yamada (Tokyo Univ of A&T), Yoshio Udagawa (ISL) US2014-105		  [more] US2014-105
pp.57-62
US 2014-02-21
10:00		 Tokyo Chofu Aerospace Center, Aerodrome Branch, JAXA Flat Field on the Front of Middle and Wide Band Transducer
Yoshio Udagawa (iSL), Kenji Oka (KGK) US2013-93		 in the near zone of wider band transducers,pressure is completely flat with spike pulser [more] US2013-93
pp.1-3
US 2014-02-21
10:15		 Tokyo Chofu Aerospace Center, Aerodrome Branch, JAXA Received Pressure Waveform by commercial Transducer and Hydrophone in near acoustic field
Osami Kobori (ESI), Yoshio Udagawa (I.S.L), Akira Yoshikawa (OSU) US2013-94		  [more] US2013-94
pp.5-7
US 2014-02-21
10:30		 Tokyo Chofu Aerospace Center, Aerodrome Branch, JAXA Non-Linearity of Receiver Circuits
Yoshio Udagawa (iSL) US2013-95		 The non-linearity characteristic of receiver circuits for ultrasonic is mentioned [more] US2013-95
pp.9-14
US 2014-02-21
10:45		 Tokyo Chofu Aerospace Center, Aerodrome Branch, JAXA Analysis of Spatio-Temporal Characteristics of Radiated Sound Field from Finite Aperture Piezoelectric Transducer
Akira Yamada (Tokyo Univ A&T), Yoshio Udagawa (ISL) US2013-96		  [more] US2013-96
pp.15-18
US 2013-02-19
14:50		 Tokyo Kikai-Shinko-Kaikan Bldg. Sound Wave Propagation from finite element piezo-electric Transducer
Yoshio Udagawa (I.S.L), Osami Kobori (Osaka Sangyo Univ.) US2012-115		  [more] US2012-115
pp.25-31
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