JPS5946093U - piezoelectric speaker - Google Patents

piezoelectric speaker

Info

Publication number
JPS5946093U
JPS5946093U JP14164782U JP14164782U JPS5946093U JP S5946093 U JPS5946093 U JP S5946093U JP 14164782 U JP14164782 U JP 14164782U JP 14164782 U JP14164782 U JP 14164782U JP S5946093 U JPS5946093 U JP S5946093U
Authority
JP
Japan
Prior art keywords
piezoelectric
frame
speaker
piezoelectric speaker
drive element
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
JP14164782U
Other languages
Japanese (ja)
Inventor
城　伸一
蓑田　毅
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP14164782U priority Critical patent/JPS5946093U/en
Publication of JPS5946093U publication Critical patent/JPS5946093U/en
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。(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図は従来の圧電型スピーカー第２図はこの考案の圧
電型スピーカーの断面図、第３乃至第７図はそれぞれこ
の考案の他の実施例の圧電駆動部を示すものであってそ
れぞれａは振動モードの概略図、ｂは圧電駆動部の断面
図、Ｃは圧電駆動部の正面図である。 １はフレーム、２はコーン振動板、２１は圧電型駆動素
子、２１ａはユニモルフ型圧電素子、２１ｂは制動材で
ある。FIG. 1 is a conventional piezoelectric speaker. FIG. 2 is a sectional view of a piezoelectric speaker of this invention, and FIGS. 3 to 7 are piezoelectric actuators of other embodiments of this invention. is a schematic diagram of the vibration mode, b is a sectional view of the piezoelectric drive unit, and C is a front view of the piezoelectric drive unit. 1 is a frame, 2 is a cone diaphragm, 21 is a piezoelectric drive element, 21a is a unimorph piezoelectric element, and 21b is a damping material.

Claims (1)

【実用新案登録請求の範囲】 フレーム１と、当該フレーム１の開口縁に外周。 縁を貼着したコーン振動板２と、当該コーン振動板２の
頂部に貼着されて懸下された圧電型駆動素子２１と、当
該圧電型駆動素子２１に電気信号を印加するための電気
接続手段を有するスピーカーにおいて、前記圧電型駆動
素子２１が同極が対向する１対のユニモルフ型圧電素子
２１ａと、前記対向する同極間に介在せる制動材２１ｂ
とよりなることを特徴とする圧電型スピーカー。[Claims for Utility Model Registration] Frame 1 and the outer periphery of the opening edge of frame 1. A cone diaphragm 2 with an attached edge, a piezoelectric drive element 21 attached and suspended from the top of the cone diaphragm 2, and an electrical connection for applying an electrical signal to the piezoelectric drive element 21. In the speaker having the means, the piezoelectric driving element 21 includes a pair of unimorph piezoelectric elements 21a having the same poles facing each other, and a damping member 21b interposed between the facing poles.
A piezoelectric speaker characterized by:
JP14164782U 1982-09-18 1982-09-18 piezoelectric speaker Pending JPS5946093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14164782U JPS5946093U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14164782U JPS5946093U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Publications (1)

Publication Number Publication Date
JPS5946093U true JPS5946093U (en) 1984-03-27

Family

ID=30316747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14164782U Pending JPS5946093U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Country Status (1)

Country Link
JP (1) JPS5946093U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62137000A (en) * 1985-12-10 1987-06-19 Sawafuji Dainameka Kk Dome type piezoelectric speaker
JP2009194889A (en) * 2008-01-15 2009-08-27 Nec Corp Underwater transducer, driving method thereof, and composite underwater sonic wave transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62137000A (en) * 1985-12-10 1987-06-19 Sawafuji Dainameka Kk Dome type piezoelectric speaker
JP2009194889A (en) * 2008-01-15 2009-08-27 Nec Corp Underwater transducer, driving method thereof, and composite underwater sonic wave transmitter

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