JPS5946095U - piezoelectric speaker - Google Patents

piezoelectric speaker

Info

Publication number
JPS5946095U
JPS5946095U JP14164982U JP14164982U JPS5946095U JP S5946095 U JPS5946095 U JP S5946095U JP 14164982 U JP14164982 U JP 14164982U JP 14164982 U JP14164982 U JP 14164982U JP S5946095 U JPS5946095 U JP S5946095U
Authority
JP
Japan
Prior art keywords
fixed
piezoelectric
piezoelectric element
damping material
resonance
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
JP14164982U
Other languages
Japanese (ja)
Other versions
JPS636956Y2 (en
Inventor
橋爪　計雄
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 JP14164982U priority Critical patent/JPS5946095U/en
Publication of JPS5946095U publication Critical patent/JPS5946095U/en
Application granted granted Critical
Publication of JPS636956Y2 publication Critical patent/JPS636956Y2/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) [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 drawings]

第１図および第２図は従来の圧電型スピーカーの断面図
、第３図はこの考案実施例の圧電型スピーカーの断面図
、第４−ａ、第４−ｂ図は従来例およびこの考案実施例
の圧電型スピーカーのインピーダンス及び周波数特性図
、第５図乃至第９図はそれぞれこの考案の他の実施例の
圧電型スピーカーのそれぞれのａは振動モードを示す概
略図、ｂは圧電素子部分の断面図、Ｃは制動材と剛体板
の正面図である。 ３はフレーム、２は振動板、１は圧電素子、３１は制動
材、３２は剛体板である。Figures 1 and 2 are cross-sectional views of a conventional piezoelectric speaker, Figure 3 is a cross-sectional view of a piezoelectric speaker according to an embodiment of this invention, and Figures 4-a and 4-b are a conventional example and an embodiment of this invention. The impedance and frequency characteristic diagrams of the piezoelectric speaker according to the example are shown in FIGS. 5 to 9, respectively. In each of the piezoelectric speakers according to other embodiments of this invention, a is a schematic diagram showing the vibration mode, and b is a schematic diagram of the piezoelectric element portion. Sectional view C is a front view of the damping material and the rigid plate. 3 is a frame, 2 is a diaphragm, 1 is a piezoelectric element, 31 is a damping material, and 32 is a rigid plate.

Claims (1)

【実用新案登録請求の範囲】 １　少なくともフレーム３と当該フレーム３の開口縁に
外周縁部を固着した振動板２と当該振動板２の頂部に略
中央部を固着懸下した圧電素子１よりなるスピーカーに
おいて、前記圧電素子１の下面に制動材３１を、更に制
動材３１の下面に剛体板３２をそれぞれ固着したことを
特徴とする圧電型スピーカー。 ２　制動材３１が圧電素子１の第１共振における腹部分
に固着された円環形状であることを特徴とする実用新案
登録請求の範囲第１項記載の圧電型スピーカー。 ３　制動材３１が圧電素子１の第２共振における腹部分
に固着された円環形状であることを特徴とする実用新案
登録請求の範囲第１項記載の圧電型スピーカー。 ４　制動材３１が圧電素子１の第２共振における腹部分
を含む内方全面に渉って固着された円板形状であ名こと
を特徴とする実用新案登録請求の範囲第１項記載の圧電
型スピーカー。 ５　制動材３１が圧電素子１の直径方向に固着された直
線形状であることを特徴とする実用新案登録請求の範囲
第１項記載の圧電型スピーカー。[Claims for Utility Model Registration] 1. Consisting of at least a frame 3, a diaphragm 2 whose outer peripheral edge is fixed to the opening edge of the frame 3, and a piezoelectric element 1 whose substantially central portion is fixed and suspended from the top of the diaphragm 2. A piezoelectric speaker characterized in that a damping material 31 is fixed to the lower surface of the piezoelectric element 1, and a rigid plate 32 is fixed to the lower surface of the damping material 31. 2. The piezoelectric speaker according to claim 1, wherein the damping material 31 has an annular shape fixed to the antinode portion of the piezoelectric element 1 at the first resonance. 3. The piezoelectric speaker according to claim 1, wherein the damping material 31 has an annular shape fixed to the antinode portion of the piezoelectric element 1 at the second resonance. 4. The piezoelectric device according to claim 1, characterized in that the damping material 31 is in the shape of a disk fixed over the entire inner surface of the piezoelectric element 1 including the antinode portion at the second resonance. type speaker. 5. The piezoelectric speaker according to claim 1, wherein the braking material 31 is fixed in the diameter direction of the piezoelectric element 1 and has a linear shape.
JP14164982U 1982-09-18 1982-09-18 piezoelectric speaker Granted JPS5946095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14164982U JPS5946095U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14164982U JPS5946095U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Publications (2)

Publication Number Publication Date
JPS5946095U true JPS5946095U (en) 1984-03-27
JPS636956Y2 JPS636956Y2 (en) 1988-02-27

Family

ID=30316751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14164982U Granted JPS5946095U (en) 1982-09-18 1982-09-18 piezoelectric speaker

Country Status (1)

Country Link
JP (1) JPS5946095U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150500A (en) * 1984-12-24 1986-07-09 Sawafuji Dainameka Kk Composite type piezoelectric speaker
JP2007281669A (en) * 2006-04-04 2007-10-25 Nec Corp Speaker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221118U (en) * 1985-07-18 1987-02-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221118U (en) * 1985-07-18 1987-02-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150500A (en) * 1984-12-24 1986-07-09 Sawafuji Dainameka Kk Composite type piezoelectric speaker
JP2007281669A (en) * 2006-04-04 2007-10-25 Nec Corp Speaker
JP4605395B2 (en) * 2006-04-04 2011-01-05 日本電気株式会社 Speaker

Also Published As

Publication number Publication date
JPS636956Y2 (en) 1988-02-27

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