レーザマイクロフォンによる音波検出に関する研究

Material type: 文書・図像類

Author: 神田, 明典ほか

Publisher: 愛知工業大学

Publication date: 2012-03-31

Material Format: Digital

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Note (General)：: Since the vibrating film is used for a current microphone, the detectable frequency is restricted.Recently, the influence on the human body by the sou...

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Material Type: 文書・図像類
Title: レーザマイクロフォンによる音波検出に関する研究
Author/Editor: 神田, 明典
津田, 紀生
山田, 諄
Author Heading: 神田, 明典
津田, 紀生
山田, 諄
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 2012-03-31
Publication Date (W3CDTF): 2012-03-31
Alternative Title: レーザ　マイクロフォン　ニヨル　オンパ　ケンシュツ　ニ　カンスル　ケンキュウ
Study on detection of sound wave by laser microphone
Periodical title: 愛知工業大学研究報告 = Bulletin of Aichi Institute of Technology
No. or year of volume/issue: 47
Volume: 47
Pages: 197-202
ISSN (Periodical Title): ISSN : 1883-3217
Text Language Code: jpn
Target Audience: 一般
Note (General): Since the vibrating film is used for a current microphone, the detectable frequency is restricted.Recently, the influence on the human body by the sound wave of low frequency or high frequency from various apparatuses or equipmentshas became a problem. It is necessary to detect the sound wave of such frequency.A new type of microphone by using self-coupling effect of semiconductor laser has been studied.It is named the laser microphone.This microphone consists of laser and a light reflector, and it is not necessary to post-process a signal. An acoustic field is not disturbed by the microphone. The laser microphone can detect a sound withfrequency from 10Hz to 20kHz. The laser microphone is more sensitive than the condenser microphone in long distance from sound source, and is detectable a sound with lower frequency than condenser microphone. Moreover, if there is the sound source with some sound pressure, sound with the lower frequency below 10 Hz may be detectable.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1527
Format (IMT): application/pdf
Source: http://repository.aitech.ac.jp/dspace/bitstream/11133/1527/1/%e7%b4%80%e8%a6%8147%e5%8f%b7%28P197-202%29.pdf
http://repository.aitech.ac.jp/dspace/bitstream/11133/1527/1/%e7%b4%80%e8%a6%8147%e5%8f%b7%28P197-202%29.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ