JP2513238Y2 - アクティブサイレンサ用マイクロホン - Google Patents

アクティブサイレンサ用マイクロホン

Info

Publication number
JP2513238Y2
JP2513238Y2 JP11881190U JP11881190U JP2513238Y2 JP 2513238 Y2 JP2513238 Y2 JP 2513238Y2 JP 11881190 U JP11881190 U JP 11881190U JP 11881190 U JP11881190 U JP 11881190U JP 2513238 Y2 JP2513238 Y2 JP 2513238Y2
Authority
JP
Japan
Prior art keywords
sound
microphone
duct
sound pressure
slit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP11881190U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0475398U (enrdf_load_stackoverflow
Inventor
正治 西村
眞 渡部
文男 青井
隆範 新井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP11881190U priority Critical patent/JP2513238Y2/ja
Publication of JPH0475398U publication Critical patent/JPH0475398U/ja
Application granted granted Critical
Publication of JP2513238Y2 publication Critical patent/JP2513238Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP11881190U 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン Expired - Lifetime JP2513238Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11881190U JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11881190U JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Publications (2)

Publication Number Publication Date
JPH0475398U JPH0475398U (enrdf_load_stackoverflow) 1992-07-01
JP2513238Y2 true JP2513238Y2 (ja) 1996-10-02

Family

ID=31866777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11881190U Expired - Lifetime JP2513238Y2 (ja) 1990-11-15 1990-11-15 アクティブサイレンサ用マイクロホン

Country Status (1)

Country Link
JP (1) JP2513238Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3507522B2 (ja) * 1993-04-19 2004-03-15 松下エコシステムズ株式会社 能動消音装置
JP2610393B2 (ja) * 1994-06-07 1997-05-14 ダイダン株式会社 能動騒音制御システム

Also Published As

Publication number Publication date
JPH0475398U (enrdf_load_stackoverflow) 1992-07-01

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