JPS61162197U - - Google Patents

Info

Publication number
JPS61162197U
JPS61162197U JP4532785U JP4532785U JPS61162197U JP S61162197 U JPS61162197 U JP S61162197U JP 4532785 U JP4532785 U JP 4532785U JP 4532785 U JP4532785 U JP 4532785U JP S61162197 U JPS61162197 U JP S61162197U
Authority
JP
Japan
Prior art keywords
piezoelectric
transducer
attached
back cover
piezoelectric transducer
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
JP4532785U
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 JP4532785U priority Critical patent/JPS61162197U/ja
Publication of JPS61162197U publication Critical patent/JPS61162197U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例としての圧電型変換
器の断面図、第2図は本考案と従来の圧電型変換
器の感度周波数特性の比較を示す図面代用グラフ
、第3図は従来の圧電型変換器の断面図、第4図
aは本出願人が先に提案した圧電型変換器の断面
図、第4図bは第4図aの要部拡大断面図である
。 1……圧電振動子、2……圧電磁器、3……金
属振動板、4……端子板、5……フロントカバー
、6……バツクカバー、10……小孔、6a……
開孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 有底筒状のフロントカバーと半円環状のバツク
    カバーとから成る容器内に、圧電磁器に金属振動
    板が取着された圧電振動子及び外部端子が取着さ
    れた小孔を有する端子板のそれぞれを一定の間隔
    をもつて固着収納して成る圧電型変換器において
    、前記半円環状のバツクカバーに1.0乃至19
    .0mmの開孔を形成したことを特徴とする圧電
    型変換器。
JP4532785U 1985-03-27 1985-03-27 Pending JPS61162197U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4532785U JPS61162197U (ja) 1985-03-27 1985-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4532785U JPS61162197U (ja) 1985-03-27 1985-03-27

Publications (1)

Publication Number Publication Date
JPS61162197U true JPS61162197U (ja) 1986-10-07

Family

ID=30558735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4532785U Pending JPS61162197U (ja) 1985-03-27 1985-03-27

Country Status (1)

Country Link
JP (1) JPS61162197U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6390395U (ja) * 1986-12-02 1988-06-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6390395U (ja) * 1986-12-02 1988-06-11

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