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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 7 of 7  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA 2024-05-22
15:45		 Online Online Audio-change Captioning to Explain Machine-sound Anomalies
Shunsuke Tsubaki (Doshisha Univ./Hitachi), Yohei Kawaguchi, Tomoya Nishida (Hitachi), Keisuke Imoto (Doshisha Univ.), Yuki Okamoto (Ritsumeikan Univ./Hitachi), Kota Dohi, Takashi Endo (Hitachi) 		 [more]
EA 2022-05-13
14:10		 Online Online Acoustic diagnosis and monitoring for high voltage switchgear
Takashi Endo, Purohit Harsh, Yohei Kawaguchi (Hitachi) EA2022-7		 This paper proposes a method for estimating stroke speed from sounds made during the opening and closing of high-voltage... [more] EA2022-7
pp.30-34
EA, SIP, SP 2019-03-14
16:40		 Nagasaki i+Land nagasaki (Nagasaki-shi) [Invited Talk] Encouragement of Participation in Competition -- Looking Back on Hitachi's Participation in DCASE 2018 Challenge --
Yohei Kawaguchi, Ryo Tanabe, Takashi Endo, Yuki Nikaido, Kenji Ichige, Phong Nguyen, Koichi Hamada (Hitachi) 		Hitachi participated in Task 5 of DCASE 2018 Challenge, which is a flagship competition of acoustic scene classification... [more]
LQE, OPE, SIPH 2018-12-06
17:10		 Tokyo Keio University Full C+L-Band, Mode Hop Free Wavelength Tunable LD with a Linewidth of Less than 8 kHz
Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.), Yasunori Tomomatsu, Takashi Endo (Koshin Kogaku) OPE2018-109 LQE2018-119 SIPH2018-25		 We present a full 90-nm C+L-band (1530-1620 nm) mode hop free wavelength tunable LD in which we developed a new waveleng... [more] OPE2018-109 LQE2018-119 SIPH2018-25
pp.59-62
R, EMD, CPM, LQE, OPE 2017-09-01
11:30		 Aomori   A full C-band wavelength tunable laser diode with narrow linewidth and low intensity noise characteristics
Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.), Yasunori Tomomatsu, Takashi Endo (Koshin Kogaku) R2017-36 EMD2017-30 CPM2017-51 OPE2017-60 LQE2017-33		 We demonstrate a narrow-linewidth, low-intensity noise, widely wavelength-tunable LD for which we adopted a long externa... [more] R2017-36 EMD2017-30 CPM2017-51 OPE2017-60 LQE2017-33
pp.59-64
SIP 2017-08-24
15:05		 Tokyo Tokyo Denki University Anomaly Detection from Subsampled Audio Signal for Machine Diagnosis
Yohei Kawaguchi, Takashi Endo (Hitachi) SIP2017-54		 Low-cost sound monitoring is required for maintaining machinery. We aim to reduce the cost of monitoring by reducing the... [more] SIP2017-54
pp.33-38
LQE, LSJ 2013-05-17
14:40		 Ishikawa   Two-mode lasing of wavelength tunable quantum dot laser
Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, Tetsuya Kawanishi (NICT), Takashi Endo, Yasunori Tomomatsu, Toshio Yamanoi (Koshin Kogaku) LQE2013-11		 A two-wavelength emission laser can be used to generate millimeter and terahertz waves by irradiating high speed photodi... [more] LQE2013-11
pp.49-52
 Results 1 - 7 of 7  /   
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