JPH0427697U - - Google Patents

Info

Publication number
JPH0427697U
JPH0427697U JP6946590U JP6946590U JPH0427697U JP H0427697 U JPH0427697 U JP H0427697U JP 6946590 U JP6946590 U JP 6946590U JP 6946590 U JP6946590 U JP 6946590U JP H0427697 U JPH0427697 U JP H0427697U
Authority
JP
Japan
Prior art keywords
hole
electroacoustic transducer
air chamber
piezoelectric diaphragm
fixed
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
JP6946590U
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 JP6946590U priority Critical patent/JPH0427697U/ja
Publication of JPH0427697U publication Critical patent/JPH0427697U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第1図乃至第3図はこの考案の電気音響変換器
の各例を示す縦断側面図、第4図は従来の電気音
響変換器の一例を示す縦断側面図である。 12……ケース、13……放音孔、14……圧
電振動板、19……後面板、20……制動板、2
1……多孔板、22……粘着シート、25……リ
ング状の粘着剤、26……粘着剤層、27……孔

Claims (1)

    【実用新案登録請求の範囲】
  1. 前部に放音孔を設け、後部に制動孔を有する後
    面板を固定したケース内に圧電振動板を取付け、
    この圧電振動板の前部側を前気室、後部側を後気
    室とした電気音響変換器において、前記制動孔を
    不織布、メツシユ等の多孔板により覆い、この多
    孔板の周囲から後面板に亘り粘着シートを貼付し
    て該多孔板の周囲を後面板に固定したことを特徴
    とする電気音響変換器。
JP6946590U 1990-06-28 1990-06-28 Pending JPH0427697U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6946590U JPH0427697U (ja) 1990-06-28 1990-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6946590U JPH0427697U (ja) 1990-06-28 1990-06-28

Publications (1)

Publication Number Publication Date
JPH0427697U true JPH0427697U (ja) 1992-03-05

Family

ID=31604791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6946590U Pending JPH0427697U (ja) 1990-06-28 1990-06-28

Country Status (1)

Country Link
JP (1) JPH0427697U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014127974A (ja) * 2012-12-27 2014-07-07 Kyocera Corp 音響発生器、音響発生装置および電子機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014127974A (ja) * 2012-12-27 2014-07-07 Kyocera Corp 音響発生器、音響発生装置および電子機器

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