JPS6429996U - - Google Patents

Info

Publication number
JPS6429996U
JPS6429996U JP12379987U JP12379987U JPS6429996U JP S6429996 U JPS6429996 U JP S6429996U JP 12379987 U JP12379987 U JP 12379987U JP 12379987 U JP12379987 U JP 12379987U JP S6429996 U JPS6429996 U JP S6429996U
Authority
JP
Japan
Prior art keywords
diaphragm
piezoelectric
ceramic element
adhered
outer periphery
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
JP12379987U
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 JP12379987U priority Critical patent/JPS6429996U/ja
Publication of JPS6429996U publication Critical patent/JPS6429996U/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図は本考案の一実施例の平面図、第2図は
その側面図、第3図はその周波数特性の一例を示
す図、第4図はその周波数特性の他の例を示す図
、第5図は従来のユニモルフ構造の圧電発音体の
平面図、第6図はその周波数特性を示す図、第7
図及び第8図はそれぞれ従来のバイモルフ構造の
圧電発音体の周波数特性を示す図である。 1…振動板、2a,2b…圧電セラミツク素子
板、3a,3b…電極、4…リード線。

Claims (1)

    【実用新案登録請求の範囲】
  1. 振動板の上下両面に圧電セラミツク素子板を貼
    着してバイモルフ構造とし、該振動板の外周縁を
    ケースに固定した圧電発音装置において、該振動
    板は炭素繊維強化プラスチツク板から成ることを
    特徴とする圧電発音装置。
JP12379987U 1987-08-14 1987-08-14 Pending JPS6429996U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12379987U JPS6429996U (ja) 1987-08-14 1987-08-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12379987U JPS6429996U (ja) 1987-08-14 1987-08-14

Publications (1)

Publication Number Publication Date
JPS6429996U true JPS6429996U (ja) 1989-02-22

Family

ID=31372983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12379987U Pending JPS6429996U (ja) 1987-08-14 1987-08-14

Country Status (1)

Country Link
JP (1) JPS6429996U (ja)

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