JPS6137699U - piezoelectric sound device - Google Patents

piezoelectric sound device

Info

Publication number
JPS6137699U
JPS6137699U JP12213584U JP12213584U JPS6137699U JP S6137699 U JPS6137699 U JP S6137699U JP 12213584 U JP12213584 U JP 12213584U JP 12213584 U JP12213584 U JP 12213584U JP S6137699 U JPS6137699 U JP S6137699U
Authority
JP
Japan
Prior art keywords
annular rib
sound device
piezoelectric sound
piezoelectric
sounding device
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
JP12213584U
Other languages
Japanese (ja)
Inventor
忠 高矢
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP12213584U priority Critical patent/JPS6137699U/en
Publication of JPS6137699U publication Critical patent/JPS6137699U/en
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (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図は本考案にかきる圧電発音装置の一部切欠き斜視
図、第２図はその縦断面図、第３図は第２図におけるＡ
−Ａ断面図、−第４図は従来例の縦断面図工ある。 １・・・・・・圧電素子、２・・・・・・振動板、３・
・・・・・ケース、４・・・・・・環状リブ、′５・・
・・・・通気路、６・・・・・・放音口。Fig. 1 is a partially cutaway perspective view of a piezoelectric sounding device according to the present invention, Fig. 2 is a longitudinal sectional view thereof, and Fig. 3 is an A in Fig. 2.
- A sectional view and - Fig. 4 are longitudinal sectional views of the conventional example. 1... Piezoelectric element, 2... Vibration plate, 3.
...Case, 4...Annular rib, '5...
...Vent passage, 6...Sound emitting port.

Claims (1)

【実用新案登録請求の範囲】 主壁３ａの周部に周壁３ｂを連設してなるケース３の前
記主壁３ａの内面に環状リブ４を突設し、圧電素子１を
貼り付けた振動板２の周部を前記環状リブ４の先端全周
に接着連結した圧電発音装置において、 前記環状リブ４に内外に連通ずる通気路５を形成すると
ともに、周壁３ｂにのみ放音口６を形成してあることを
特徴とする圧電発音装置。[Claims for Utility Model Registration] A diaphragm in which an annular rib 4 is protruded from the inner surface of the main wall 3a of a case 3 in which a peripheral wall 3b is connected to the periphery of the main wall 3a, and a piezoelectric element 1 is attached. In the piezoelectric sounding device in which the circumferential portion of the annular rib 4 is adhesively connected to the entire circumference of the tip of the annular rib 4, an air passage 5 communicating between the inside and the outside is formed in the annular rib 4, and a sound emitting port 6 is formed only in the peripheral wall 3b. A piezoelectric sounding device characterized by:
JP12213584U 1984-08-08 1984-08-08 piezoelectric sound device Pending JPS6137699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12213584U JPS6137699U (en) 1984-08-08 1984-08-08 piezoelectric sound device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12213584U JPS6137699U (en) 1984-08-08 1984-08-08 piezoelectric sound device

Publications (1)

Publication Number Publication Date
JPS6137699U true JPS6137699U (en) 1986-03-08

Family

ID=30680896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12213584U Pending JPS6137699U (en) 1984-08-08 1984-08-08 piezoelectric sound device

Country Status (1)

Country Link
JP (1) JPS6137699U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452299U (en) * 1990-09-05 1992-05-01
JP2021040285A (en) * 2019-09-05 2021-03-11 Tdk株式会社 Acoustic device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5984297A (en) * 1982-11-05 1984-05-15 リオン株式会社 Piezo-electric buzzer
JPS5933399B2 (en) * 1974-11-01 1984-08-15 ブラザー工業株式会社 Needle fixed position stop device for automatic thread trimming sewing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933399B2 (en) * 1974-11-01 1984-08-15 ブラザー工業株式会社 Needle fixed position stop device for automatic thread trimming sewing machine
JPS5984297A (en) * 1982-11-05 1984-05-15 リオン株式会社 Piezo-electric buzzer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452299U (en) * 1990-09-05 1992-05-01
JP2021040285A (en) * 2019-09-05 2021-03-11 Tdk株式会社 Acoustic device

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