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| Presentation | 2008-01-29 15:15 A Realization of Active Noise Control System for MR Noise -- A Study on the Available ANC System in Magnetic Field -- Yusuke Ono, Daisuke Tokunaga, Yoshinobu Kajikawa (Kansai Univ.), Tohru Tani, Yoshimasa Kurumi (Shiga Univ. of Medical Science), Yasuo Nomura (Kansai Univ.)  EA2007-110 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | MRI(Magnetic Resonance Imaging) is a medical equipment system which in late years has been used to obtain the cross-sectional image of the human body.An open-configuration MR system is introduced at Shiga University of Medical Science in order to conduct microwave coaguration therapy by using near-real-time MR images.MR systems generates a very large noise (about 120dBSPL).Hence, an operator cannot communicate other medical staff (ex. nurses and anesthesists) and is exposed to the large MR noise for a long time. This shows an elevated risk of the operation. We therefore attempt to implement an active noise control (ANC) system in order to reduce the MR noise.However, MRI generates too intense magnetic field for dynamic acoustic equipment to be used. In this paper, therefore, the cancellation performance of an ANC system using piezo-electric loud speaker is demonstrated through experimental results in order to realize the available ANC system in magnetic field. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | active noise control / MRI / DSP / piezo-electric loud speaker / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 470, EA2007-110, pp. 53-58, Jan. 2008. | |
| Paper # | EA2007-110 | |
| Date of Issue | 2008-01-22 (EA) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2007-110 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2008-01-28 - 2008-01-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kansai University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2008-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Realization of Active Noise Control System for MR Noise |
| Sub Title (in English) | A Study on the Available ANC System in Magnetic Field |
| Keyword(1) | active noise control |
| Keyword(2) | MRI |
| Keyword(3) | DSP |
| Keyword(4) | piezo-electric loud speaker |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Yusuke Ono |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Daisuke Tokunaga |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Yoshinobu Kajikawa |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
| 4th Author's Name | Tohru Tani |
| 4th Author's Affiliation | Shiga University of Medical Science (Shiga Univ. of Medical Science) |
| 5th Author's Name | Yoshimasa Kurumi |
| 5th Author's Affiliation | Shiga University of Medical Science (Shiga Univ. of Medical Science) |
| 6th Author's Name | Yasuo Nomura |
| 6th Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-01-29 15:15:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2007-110 |
| Volume (vol) | vol.107 |
| Number (no) | no.470 |
| Page | pp.53-58 |
| #Pages | 6 |
| Date of Issue | 2008-01-22 (EA) |
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