JPH0336299U - - Google Patents

Info

Publication number
JPH0336299U
JPH0336299U JP9821189U JP9821189U JPH0336299U JP H0336299 U JPH0336299 U JP H0336299U JP 9821189 U JP9821189 U JP 9821189U JP 9821189 U JP9821189 U JP 9821189U JP H0336299 U JPH0336299 U JP H0336299U
Authority
JP
Japan
Prior art keywords
cover
microphone
hole
microphone device
hemisphere
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.)
Granted
Application number
JP9821189U
Other languages
English (en)
Other versions
JPH0734478Y2 (ja
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 filed Critical
Priority to JP9821189U priority Critical patent/JPH0734478Y2/ja
Publication of JPH0336299U publication Critical patent/JPH0336299U/ja
Application granted granted Critical
Publication of JPH0734478Y2 publication Critical patent/JPH0734478Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Description

【図面の簡単な説明】
第１図は本考案の構成を示す断面図、第２図は
従来例の図である。 図中、１はセンサマイクロホン、４はマイクロ
ホンカプセル、６は空調ダクト、７はカバー、７
ａは音波導入孔、８は取り付け孔、９は音響フイ
ルター、Ｓは音源となる送風機である。

Claims (1)

  1. 【実用新案登録請求の範囲】 空調ダクト６の管壁に穿つた孔８に取り付け
    、球殻状のカバー７を管内に露出して装備したカ
    プセル４内に収納されたセンサマイクロホン１の
    出力を取り出すマイクロホン装置であつて、前記
    カバー７の音源Ｓに近い側の半球は密閉し、他の
    側の半球に音波導入用の孔７ａを穿設したマイク
    ロホン装置。 前記請求項に記載のカバー７の音波導入孔
    ７ａを、音響フイルター材９で被つたマイクロホ
    ン装置。
JP9821189U 1989-08-22 1989-08-22 マイクロホン装置 Expired - Fee Related JPH0734478Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9821189U JPH0734478Y2 (ja) 1989-08-22 1989-08-22 マイクロホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9821189U JPH0734478Y2 (ja) 1989-08-22 1989-08-22 マイクロホン装置

Publications (2)

Publication Number Publication Date
JPH0336299U true JPH0336299U (ja) 1991-04-09
JPH0734478Y2 JPH0734478Y2 (ja) 1995-08-02

Family

ID=31647320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9821189U Expired - Fee Related JPH0734478Y2 (ja) 1989-08-22 1989-08-22 マイクロホン装置

Country Status (1)

Country Link
JP (1) JPH0734478Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06308973A (ja) * 1993-04-19 1994-11-04 Matsushita Seiko Co Ltd 能動消音装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06308973A (ja) * 1993-04-19 1994-11-04 Matsushita Seiko Co Ltd 能動消音装置

Also Published As

Publication number Publication date
JPH0734478Y2 (ja) 1995-08-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees