JPS59127397U - electroacoustic transducer - Google Patents

electroacoustic transducer

Info

Publication number
JPS59127397U
JPS59127397U JP2192783U JP2192783U JPS59127397U JP S59127397 U JPS59127397 U JP S59127397U JP 2192783 U JP2192783 U JP 2192783U JP 2192783 U JP2192783 U JP 2192783U JP S59127397 U JPS59127397 U JP S59127397U
Authority
JP
Japan
Prior art keywords
electroacoustic transducer
piezoelectric element
sheet body
bulges
view
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.)
Granted
Application number
JP2192783U
Other languages
Japanese (ja)
Other versions
JPS622878Y2 (en
Inventor
佐古　純一
兼信　宗明
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to JP2192783U priority Critical patent/JPS59127397U/en
Publication of JPS59127397U publication Critical patent/JPS59127397U/en
Application granted granted Critical
Publication of JPS622878Y2 publication Critical patent/JPS622878Y2/ja
Granted legal-status Critical Current

Links

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の平面図、第２図は第１図の
切断面線■−■から見た断面図、第３図は圧電素子３の
拡大断面図、第４図は第１図〜第３図に示された実施例
の実験結果を示すグラフ、第５図は本考案の他の実施例
の断面図、第６図は本考案の他の実施例の平面図、第７
図は本考案のさらに他の実施例の平面図である。 １・・・支持部材、３．　１７．　１８．　１９・・・
圧電素子、５．　６．　７；５ａ、　　６ａ、　　７ａ
・・・膨出部分。FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the cutting plane line ■-■ in FIG. 1, FIG. 3 is an enlarged cross-sectional view of the piezoelectric element 3, and FIG. Graphs showing the experimental results of the embodiment shown in FIGS. 1 to 3, FIG. 5 is a sectional view of another embodiment of the present invention, and FIG. 6 is a plan view of another embodiment of the present invention. 7th
The figure is a plan view of yet another embodiment of the present invention. 1... Support member, 3. 17. 18. 19...
piezoelectric element, 5. 6. 7; 5a, 6a, 7a
...Bulging part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電素子または圧電素子が固定されたシート体を、その
全体が丸みをおびた形状に形成し、その圧電素子または
シート体は一方表面側に同心状に無端の複数の膨出部分
を有することを特徴とする電気音響変換器。A piezoelectric element or a sheet body to which a piezoelectric element is fixed is formed into a round shape as a whole, and the piezoelectric element or sheet body has a plurality of concentric endless bulges on one surface side. Characteristic electroacoustic transducer.
JP2192783U 1983-02-16 1983-02-16 electroacoustic transducer Granted JPS59127397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2192783U JPS59127397U (en) 1983-02-16 1983-02-16 electroacoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2192783U JPS59127397U (en) 1983-02-16 1983-02-16 electroacoustic transducer

Publications (2)

Publication Number Publication Date
JPS59127397U true JPS59127397U (en) 1984-08-27
JPS622878Y2 JPS622878Y2 (en) 1987-01-22

Family

ID=30153048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2192783U Granted JPS59127397U (en) 1983-02-16 1983-02-16 electroacoustic transducer

Country Status (1)

Country Link
JP (1) JPS59127397U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008084685A1 (en) * 2007-01-11 2008-07-17 Murata Manufacturing Co., Ltd. Piezoelectric speaker and its manufacturing method
JP2015181303A (en) * 2012-02-28 2015-10-15 京セラ株式会社 Piezoelectric vibration element, piezoelectric vibration device, and portable terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008084685A1 (en) * 2007-01-11 2008-07-17 Murata Manufacturing Co., Ltd. Piezoelectric speaker and its manufacturing method
JP2015181303A (en) * 2012-02-28 2015-10-15 京セラ株式会社 Piezoelectric vibration element, piezoelectric vibration device, and portable terminal

Also Published As

Publication number Publication date
JPS622878Y2 (en) 1987-01-22

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