JPS6390395U - - Google Patents

Info

Publication number
JPS6390395U
JPS6390395U JP18571486U JP18571486U JPS6390395U JP S6390395 U JPS6390395 U JP S6390395U JP 18571486 U JP18571486 U JP 18571486U JP 18571486 U JP18571486 U JP 18571486U JP S6390395 U JPS6390395 U JP S6390395U
Authority
JP
Japan
Prior art keywords
insulating cover
piezoelectric
acoustic transducer
piezoelectric vibrator
braking
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
JP18571486U
Other languages
English (en)
Other versions
JPH0526875Y2 (ja
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 JP1986185714U priority Critical patent/JPH0526875Y2/ja
Publication of JPS6390395U publication Critical patent/JPS6390395U/ja
Application granted granted Critical
Publication of JPH0526875Y2 publication Critical patent/JPH0526875Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例の縦断側面図、第2図
は従来例の縦断側面図、第3図A,Bはその要部
の縦断側面図である。 3…圧電振動子、5…絶縁カバー、7…制動孔
、8…第1空気室、9…第2空気室、13…制動
体。

Claims (1)

  1. 【実用新案登録請求の範囲】 圧電振動子の背面側を絶縁カバーで閉塞して圧
    電振動子と絶縁カバー間に空気室を形成するとと
    もに、絶縁カバーに制動孔を形成した圧電音響変
    換器において、 前記制動孔に連続発泡性プラスチツクからなる
    制動体を設けたことを特徴とする圧電音響変換器
JP1986185714U 1986-12-02 1986-12-02 Expired - Lifetime JPH0526875Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986185714U JPH0526875Y2 (ja) 1986-12-02 1986-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986185714U JPH0526875Y2 (ja) 1986-12-02 1986-12-02

Publications (2)

Publication Number Publication Date
JPS6390395U true JPS6390395U (ja) 1988-06-11
JPH0526875Y2 JPH0526875Y2 (ja) 1993-07-07

Family

ID=31134602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986185714U Expired - Lifetime JPH0526875Y2 (ja) 1986-12-02 1986-12-02

Country Status (1)

Country Link
JP (1) JPH0526875Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005086220A (ja) * 2003-09-04 2005-03-31 Matsushita Electric Ind Co Ltd 電気音響変換器およびこれを用いた電子機器
WO2013183098A1 (ja) 2012-06-06 2013-12-12 Necカシオモバイルコミュニケーションズ株式会社 スピーカ装置及び電子機器
JP2018182019A (ja) * 2017-04-11 2018-11-15 株式会社ディスコ 切削装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60120699A (ja) * 1983-12-02 1985-06-28 Matsushita Electric Ind Co Ltd 圧電形電気音響変換器
JPS61206400A (ja) * 1985-03-08 1986-09-12 Kyocera Corp 圧電型変換器
JPS61162197U (ja) * 1985-03-27 1986-10-07
JPS61245800A (ja) * 1985-04-24 1986-11-01 Matsushita Electric Ind Co Ltd 圧電形変換器の周波数特性の調整方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60120699A (ja) * 1983-12-02 1985-06-28 Matsushita Electric Ind Co Ltd 圧電形電気音響変換器
JPS61206400A (ja) * 1985-03-08 1986-09-12 Kyocera Corp 圧電型変換器
JPS61162197U (ja) * 1985-03-27 1986-10-07
JPS61245800A (ja) * 1985-04-24 1986-11-01 Matsushita Electric Ind Co Ltd 圧電形変換器の周波数特性の調整方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005086220A (ja) * 2003-09-04 2005-03-31 Matsushita Electric Ind Co Ltd 電気音響変換器およびこれを用いた電子機器
WO2013183098A1 (ja) 2012-06-06 2013-12-12 Necカシオモバイルコミュニケーションズ株式会社 スピーカ装置及び電子機器
JP2018182019A (ja) * 2017-04-11 2018-11-15 株式会社ディスコ 切削装置

Also Published As

Publication number Publication date
JPH0526875Y2 (ja) 1993-07-07

Similar Documents

Publication Publication Date Title
JPS6390395U (ja)
JPS6415985U (ja)
JPH0413994U (ja)
JPS6264098U (ja)
JPH0163289U (ja)
JPH01146932U (ja)
JPH0341035U (ja)
JPS6264097U (ja)
JPS61182179U (ja)
JPH01115074U (ja)
JPH0398668U (ja)
JPS62161422U (ja)
JPS6381437U (ja)
JPS6410108U (ja)
JPS6429997U (ja)
JPS63121998U (ja)
JPH01151692U (ja)
JPS61105281U (ja)
JPS6444357U (ja)
JPH0457987U (ja)
JPS63102390U (ja)
JPS62121388U (ja)
JPS62139785U (ja)
JPH02150809U (ja)
JPH043073U (ja)