JPS61166694U - - Google Patents

Info

Publication number
JPS61166694U
JPS61166694U JP4978685U JP4978685U JPS61166694U JP S61166694 U JPS61166694 U JP S61166694U JP 4978685 U JP4978685 U JP 4978685U JP 4978685 U JP4978685 U JP 4978685U JP S61166694 U JPS61166694 U JP S61166694U
Authority
JP
Japan
Prior art keywords
piezoelectric element
fixed
diaphragm
vibration plate
plate
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
JP4978685U
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 JP4978685U priority Critical patent/JPS61166694U/ja
Publication of JPS61166694U publication Critical patent/JPS61166694U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は従来例を示す断面図である。第2図は
本考案の実施例を示す図である。 〔符号の説明〕、3……振動板、5……圧電素
子、6……駆動回路、8……共鳴板、9……ボル
ト部材、10……ナツト部材、11……ハウジン
グ、12……カバー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 振動板に圧電素子が貼付固着され、交流電圧の
    印加による圧電素子の電歪作用によつて振動板が
    振動吹鳴する警音器において、略円板状の振動板
    に環状の圧電素子を貼付固着し、振動板と適当な
    空間を置いて共鳴板を配設し、かつ、圧電素子の
    中心部の孔の位置で振動板の中央部となる位置に
    前記共鳴板を固定した構成を特徴とする、圧電素
    子を用いた警音器。
JP4978685U 1985-04-03 1985-04-03 Pending JPS61166694U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4978685U JPS61166694U (ja) 1985-04-03 1985-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4978685U JPS61166694U (ja) 1985-04-03 1985-04-03

Publications (1)

Publication Number Publication Date
JPS61166694U true JPS61166694U (ja) 1986-10-16

Family

ID=30567302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4978685U Pending JPS61166694U (ja) 1985-04-03 1985-04-03

Country Status (1)

Country Link
JP (1) JPS61166694U (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136673B1 (ja) * 1971-04-07 1976-10-09
JPS54115095A (en) * 1978-02-28 1979-09-07 Sumitomo Spec Metals Piezooelectric buzzer
JPS566187B2 (ja) * 1975-06-30 1981-02-09
JPS5736000B2 (ja) * 1978-06-22 1982-07-31

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136673B1 (ja) * 1971-04-07 1976-10-09
JPS566187B2 (ja) * 1975-06-30 1981-02-09
JPS54115095A (en) * 1978-02-28 1979-09-07 Sumitomo Spec Metals Piezooelectric buzzer
JPS5736000B2 (ja) * 1978-06-22 1982-07-31

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