JPS59111395U - 圧電型発音装置 - Google Patents

圧電型発音装置

Info

Publication number
JPS59111395U
JPS59111395U JP456583U JP456583U JPS59111395U JP S59111395 U JPS59111395 U JP S59111395U JP 456583 U JP456583 U JP 456583U JP 456583 U JP456583 U JP 456583U JP S59111395 U JPS59111395 U JP S59111395U
Authority
JP
Japan
Prior art keywords
piezoelectric
sound device
piezoelectric sound
piezoelectric diaphragm
diaphragm
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
JP456583U
Other languages
English (en)
Inventor
澤藤　正
Original Assignee
沢藤　正
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 by 沢藤　正 filed Critical 沢藤　正
Priority to JP456583U priority Critical patent/JPS59111395U/ja
Publication of JPS59111395U publication Critical patent/JPS59111395U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
１　　　第１．２図は夫々本考案の圧電型発音装置を適
゛　　用した圧電型イヤホンの一実施例を示す縦断側面
：　　図及びその圧電振動板の正面図である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 板状の圧電物質の両面に電極を設けた圧電振動板と、該
    圧電振動板の少なくとも一方の面に塗布され、該圧電振
    動板の分割振動を抑制する液状体とから構成してなる圧
    電型発音装置。
JP456583U 1983-01-17 1983-01-17 圧電型発音装置 Pending JPS59111395U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP456583U JPS59111395U (ja) 1983-01-17 1983-01-17 圧電型発音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP456583U JPS59111395U (ja) 1983-01-17 1983-01-17 圧電型発音装置

Publications (1)

Publication Number Publication Date
JPS59111395U true JPS59111395U (ja) 1984-07-27

Family

ID=30136162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP456583U Pending JPS59111395U (ja) 1983-01-17 1983-01-17 圧電型発音装置

Country Status (1)

Country Link
JP (1) JPS59111395U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040589U (ja) * 1973-08-02 1975-04-24
JPS5579600A (en) * 1978-12-12 1980-06-16 Matsushita Electric Ind Co Ltd Piezoelectric speaker
JPS5526981B2 (ja) * 1977-04-23 1980-07-17

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040589U (ja) * 1973-08-02 1975-04-24
JPS5526981B2 (ja) * 1977-04-23 1980-07-17
JPS5579600A (en) * 1978-12-12 1980-06-16 Matsushita Electric Ind Co Ltd Piezoelectric speaker

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