JPS58184995U - Piezoelectric electroacoustic transducer - Google Patents

Piezoelectric electroacoustic transducer

Info

Publication number
JPS58184995U
JPS58184995U JP8090182U JP8090182U JPS58184995U JP S58184995 U JPS58184995 U JP S58184995U JP 8090182 U JP8090182 U JP 8090182U JP 8090182 U JP8090182 U JP 8090182U JP S58184995 U JPS58184995 U JP S58184995U
Authority
JP
Japan
Prior art keywords
piezoelectric
electroacoustic transducer
additional mass
piezoelectric electroacoustic
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.)
Granted
Application number
JP8090182U
Other languages
Japanese (ja)
Other versions
JPS6311840Y2 (en
Inventor
谷　健六
川崎　幸三
浦　和貴
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP8090182U priority Critical patent/JPS58184995U/en
Publication of JPS58184995U publication Critical patent/JPS58184995U/en
Application granted granted Critical
Publication of JPS6311840Y2 publication Critical patent/JPS6311840Y2/ja
Granted 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。(57) [Abstract] 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 drawings]

第１図は従来の圧電形電気音響変換器を示す断面図、第
２図は同圧電形電気音響変換器における出力音圧の周波
数特性の一例を示す特性図、第３図は本考案による圧電
形電気音響変換器の一実施例を示す断面図、第４図は同
圧電形電気音響変換器に用いる圧電振動板の下面図、第
５図は同圧電形電気音響変換器に用いる圧電振動板の別
の実施例を示す下面図、第６図は本考案による圧電形電
気音響変換器の出力音圧の周波数特性の一例を示す特性
図である。 １・・・・・・圧電振動板、１０・・・・・・圧電体（
セラミツ゛　り圧電体の薄板）、１１．１２・・・・・
・付加質量。Fig. 1 is a sectional view showing a conventional piezoelectric electroacoustic transducer, Fig. 2 is a characteristic diagram showing an example of the frequency characteristics of the output sound pressure in the same piezoelectric electroacoustic transducer, and Fig. 3 is a piezoelectric electroacoustic transducer according to the present invention. 4 is a bottom view of a piezoelectric diaphragm used in the piezoelectric electroacoustic transducer, and FIG. 5 is a piezoelectric diaphragm used in the piezoelectric electroacoustic transducer. FIG. 6 is a bottom view showing another embodiment of the present invention, and FIG. 6 is a characteristic diagram showing an example of the frequency characteristics of the output sound pressure of the piezoelectric electroacoustic transducer according to the present invention. 1...Piezoelectric diaphragm, 10...Piezoelectric body (
Ceramic piezoelectric thin plate), 11.12...
・Additional mass.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）圧電体をトランスデユーサと゛して用いた圧電振
動板とその圧電振動板にダイビングをかける音響的なダ
ンピング手段を有すると共に上記圧電振動板の高次共振
における振動腹部に付加質量を設けてなる圧電形電気音
響変換器。(1) It has a piezoelectric diaphragm using a piezoelectric material as a transducer and an acoustic damping means that applies diving to the piezoelectric diaphragm, and an additional mass is provided on the vibrating abdomen of the piezoelectric diaphragm at higher-order resonance. A piezoelectric electroacoustic transducer. （２）付加質量がセラミック磁器よりなる実用新案登録
請求の範囲第（１）項記載の圧電形電気音響変換器。(2) The piezoelectric electroacoustic transducer according to claim (1), wherein the additional mass is made of ceramic porcelain. （３）付加質量が圧電振動板の中心部分に設けられた実
用新案登録請求の範囲第（１）項または第（２）項記載
の圧電形電気音響変換器。(3) The piezoelectric electroacoustic transducer according to claim 1 or 2, wherein the additional mass is provided at the center of the piezoelectric diaphragm. （４）付加質量が圧電振動板の第２次共振の振動腹部に
リング状に設けられた実用新案登録請求の範囲第（１）
項または第（２）項記載の圧電形電気音響変換器。(4) Utility model registration claim No. 1 in which the additional mass is provided in a ring shape on the vibration abdomen of the second resonance of the piezoelectric diaphragm
The piezoelectric electroacoustic transducer according to item (2) or item (2).
JP8090182U 1982-05-31 1982-05-31 Piezoelectric electroacoustic transducer Granted JPS58184995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8090182U JPS58184995U (en) 1982-05-31 1982-05-31 Piezoelectric electroacoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8090182U JPS58184995U (en) 1982-05-31 1982-05-31 Piezoelectric electroacoustic transducer

Publications (2)

Publication Number Publication Date
JPS58184995U true JPS58184995U (en) 1983-12-08
JPS6311840Y2 JPS6311840Y2 (en) 1988-04-06

Family

ID=30090035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8090182U Granted JPS58184995U (en) 1982-05-31 1982-05-31 Piezoelectric electroacoustic transducer

Country Status (1)

Country Link
JP (1) JPS58184995U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214599A (en) * 1985-07-12 1987-01-23 Sawafuji Dainameka Kk Method for suppressing standing wave vibration of piezoelectric vibrator
JPS6294099A (en) * 1985-10-21 1987-04-30 Sawafuji Dainameka Kk Piezoelectric vibration construction body
JP2007129539A (en) * 2005-11-04 2007-05-24 Yamaha Corp Speaker system and speaker enclosure
JPWO2013099512A1 (en) * 2011-12-26 2015-04-30 京セラ株式会社 Vibration device, sound generator, speaker system, electronic equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214599A (en) * 1985-07-12 1987-01-23 Sawafuji Dainameka Kk Method for suppressing standing wave vibration of piezoelectric vibrator
JPS6294099A (en) * 1985-10-21 1987-04-30 Sawafuji Dainameka Kk Piezoelectric vibration construction body
JP2007129539A (en) * 2005-11-04 2007-05-24 Yamaha Corp Speaker system and speaker enclosure
JPWO2013099512A1 (en) * 2011-12-26 2015-04-30 京セラ株式会社 Vibration device, sound generator, speaker system, electronic equipment
US9497550B2 (en) 2011-12-26 2016-11-15 Kyocera Corporation Vibration device, sound generator, speaker system, and electronic device

Also Published As

Publication number Publication date
JPS6311840Y2 (en) 1988-04-06

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