JPS60174398U - piezoelectric sound device - Google Patents

piezoelectric sound device

Info

Publication number
JPS60174398U
JPS60174398U JP6348084U JP6348084U JPS60174398U JP S60174398 U JPS60174398 U JP S60174398U JP 6348084 U JP6348084 U JP 6348084U JP 6348084 U JP6348084 U JP 6348084U JP S60174398 U JPS60174398 U JP S60174398U
Authority
JP
Japan
Prior art keywords
piezoelectric
sound device
piezoelectric sound
piezoelectric plate
notch
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
JP6348084U
Other languages
Japanese (ja)
Inventor
奥村　益作
登 加藤
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP6348084U priority Critical patent/JPS60174398U/en
Publication of JPS60174398U publication Critical patent/JPS60174398U/en
Pending legal-status Critical Current

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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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示し、同図ａは全体の構成
図、同図すはＸ−Ｘ線に沿う断面図、同図Ｃはバリスタ
素子を示す図、第２図は他の実施例を示し、同図ａは全
体の構成図、同図すはＹ−Ｙ線に沿う部分断面図、同図
Ｃはバリスタ素子を示す図、第３図は従来例を示す図で
ある。 １０は圧電発音体、１１は電気回路、１２，２２は金属
振動板、１３．２３は圧電板、１３　ａ、　　　　−２
２ａ＊２３ａは切欠き、１４はバリスタ素子、１５．２
５ａ、２５ｂは導体である。Fig. 1 shows one embodiment of the present invention, Fig. 1A shows the overall configuration, Fig. 1C is a sectional view taken along the line X-X, Fig. 2C is a diagram showing the varistor element, and Fig. 2 FIG. 3A is a diagram showing the overall configuration, FIG. . 10 is a piezoelectric sounding body, 11 is an electric circuit, 12 and 22 are metal diaphragms, 13.23 is a piezoelectric plate, 13a, -2
2a*23a is a notch, 14 is a varistor element, 15.2
5a and 25b are conductors.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 振動板上に圧電板を接着してなる圧電発音体を有し、圧
電発音体の振動板と圧電板のうち少なくとも圧電板の外
周部に切欠きを設け、この切欠きにバリスタ素子を配置
し、このバリスタ素子を圧電板の両電極に電気的に並列
接続したことを特徴とする圧電発音装置。It has a piezoelectric sounding body formed by adhering a piezoelectric plate to a diaphragm, and a notch is provided in at least the outer periphery of the piezoelectric plate between the diaphragm and the piezoelectric plate of the piezoelectric sounding body, and a varistor element is arranged in this notch. A piezoelectric sounding device characterized in that this varistor element is electrically connected in parallel to both electrodes of a piezoelectric plate.
JP6348084U 1984-04-27 1984-04-27 piezoelectric sound device Pending JPS60174398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6348084U JPS60174398U (en) 1984-04-27 1984-04-27 piezoelectric sound device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6348084U JPS60174398U (en) 1984-04-27 1984-04-27 piezoelectric sound device

Publications (1)

Publication Number Publication Date
JPS60174398U true JPS60174398U (en) 1985-11-19

Family

ID=30593666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6348084U Pending JPS60174398U (en) 1984-04-27 1984-04-27 piezoelectric sound device

Country Status (1)

Country Link
JP (1) JPS60174398U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117293A (en) * 1979-02-28 1980-09-09 Matsushita Electric Ind Co Ltd Piezoelectric vibrating unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117293A (en) * 1979-02-28 1980-09-09 Matsushita Electric Ind Co Ltd Piezoelectric vibrating unit

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