JPH0457899U - - Google Patents

Info

Publication number
JPH0457899U
JPH0457899U JP10027390U JP10027390U JPH0457899U JP H0457899 U JPH0457899 U JP H0457899U JP 10027390 U JP10027390 U JP 10027390U JP 10027390 U JP10027390 U JP 10027390U JP H0457899 U JPH0457899 U JP H0457899U
Authority
JP
Japan
Prior art keywords
exhaust duct
noise canceling
speaker device
noise
canceling device
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.)
Pending
Application number
JP10027390U
Other languages
English (en)
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 JP10027390U priority Critical patent/JPH0457899U/ja
Publication of JPH0457899U publication Critical patent/JPH0457899U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第１図イおよびロはこの考案の騒音消去装置の
一実施例を示す排気ダクトの長手方向に沿うその
垂直断面図および排気ダクトと直交するその垂直
断面図、第２図は排気ダクト内を通る騒音の周波
数特性図、第３図および第４図はこの考案のもの
に使用される吸音体の断面図、第５図イおよびロ
は従来の騒音消去装置を示す第１図の相当図であ
る。 なお図中１は排気ダクト、２はキヤビネツト、
９は吸音体、９ａは融合層、９ｂは多孔質層、Ａ
はスピーカー装置である。その他図中同一符号は
同一または相当部分を示すものとする。

Claims (1)

    【実用新案登録請求の範囲】
  1. 排気ダクト内を通る騒音をこれと逆位相の放音
    で打ち消すように、上記排気ダクトにスピーカー
    装置を取付けた騒音消去装置において、上記スピ
    ーカー装置のキヤビネツト内壁に少なくとも内側
    の多孔質層と外側の融合層から成る吸音体を被着
    させたことを特徴とする騒音消去装置。
JP10027390U 1990-09-27 1990-09-27 Pending JPH0457899U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10027390U JPH0457899U (ja) 1990-09-27 1990-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10027390U JPH0457899U (ja) 1990-09-27 1990-09-27

Publications (1)

Publication Number Publication Date
JPH0457899U true JPH0457899U (ja) 1992-05-18

Family

ID=31842800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10027390U Pending JPH0457899U (ja) 1990-09-27 1990-09-27

Country Status (1)

Country Link
JP (1) JPH0457899U (ja)

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