JPS60111185U - acoustic transducer - Google Patents
acoustic transducerInfo
- Publication number
- JPS60111185U JPS60111185U JP20298283U JP20298283U JPS60111185U JP S60111185 U JPS60111185 U JP S60111185U JP 20298283 U JP20298283 U JP 20298283U JP 20298283 U JP20298283 U JP 20298283U JP S60111185 U JPS60111185 U JP S60111185U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic transducer
- adhesive layer
- acoustic
- transducer according
- opening
- 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
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance 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
第１図は電磁型音響変換器の従来例を示す断面図、第２
図は同じく別の従来例における断面図、第３図は同じく
別の従来例における断面図、第４図は本考案に係る音響
変換器の断面図、第５図は同じくその斜視図、第６図は
防水シートの別の実施例における断面図、第７図は同じ
く別の実施例における断面図である。
１・・・ケース、２・・・コイル、３・・・鉄心、４・
・・ヨーク、５・・・永久磁石、６・・・振動板、１０
・・・放音開口部、１４・・・凹溝、１４・・・防水シ
ート。Figure 1 is a sectional view showing a conventional example of an electromagnetic acoustic transducer;
3 is a sectional view of another conventional example, FIG. 4 is a sectional view of the acoustic transducer according to the present invention, FIG. 5 is a perspective view thereof, and FIG. 6 is a sectional view of another conventional example. The figure is a cross-sectional view of another embodiment of the waterproof sheet, and FIG. 7 is a cross-sectional view of another embodiment. 1...Case, 2...Coil, 3...Iron core, 4...
...Yoke, 5...Permanent magnet, 6...Vibration plate, 10
...Sound emitting opening, 14...Concave groove, 14...Waterproof sheet.
Claims (5)
部の放音側に開口部を有するケースとを備える音響変換
器において、前記ケースの前記開口部を開口させた外面
に、−面側に粘着層を有し、該粘着層の周辺部に非粘着
部分を有する防水シートを、前記開口部を閉塞するよう
に粘着させたことを特徴とする音響変換器。(1) In an acoustic transducer comprising an acoustic converting section and a case containing the acoustic converting section and having an opening on the sound emission side of the acoustic converting section, on the outer surface of the case where the opening is opened, - An acoustic transducer characterized in that a waterproof sheet having an adhesive layer on the surface side and a non-adhesive portion around the adhesive layer is adhered so as to close the opening.
着して形成したことを特徴とする実用新案登録請求の範
囲第１項に記載の音響変換器。(2) The acoustic transducer according to claim 1, wherein the non-adhesive portion is formed by pasting release paper on the surface of the adhesive layer.
着層を形成したもので成ることを特徴とする実用新案登
録請求の範囲第１項または第２項に記載の音響変換器。(3) The acoustic transducer according to claim 1 or 2, wherein the waterproof sheet is formed by forming the adhesive layer on one side of a metal sheet.
ートに前記粘着層を形成したもので成ることを特徴とす
る実用新案登録請求の範囲第１項または第２項に記載の
音響変換器。(4) The acoustic transducer according to claim 1 or 2, wherein the waterproof sheet is formed by forming the adhesive layer on a resin sheet laminated with metal.
相互作用（Ｓより、前記電磁石の磁極に対して空隙を介
して対向させた振動板を励振するもので成ることを特徴
とする実用新案登録請求の範囲第１項に記載の音響変換
器。゛(5) Practical use characterized in that the acoustic transducer is constituted by magnetic interaction between an electromagnet and a permanent magnet (S), which excites a diaphragm facing the magnetic pole of the electromagnet with an air gap in between. The acoustic transducer according to claim 1 of the patent registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20298283U JPS60111185U (en) | 1983-12-28 | 1983-12-28 | acoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20298283U JPS60111185U (en) | 1983-12-28 | 1983-12-28 | acoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60111185U true JPS60111185U (en) | 1985-07-27 |
Family
ID=30765405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20298283U Pending JPS60111185U (en) | 1983-12-28 | 1983-12-28 | acoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09108380A (en) * | 1995-10-20 | 1997-04-28 | Hatsuta Seisakusho:Kk | Operation board for fire extinguishing system |
-
1983
- 1983-12-28 JP JP20298283U patent/JPS60111185U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09108380A (en) * | 1995-10-20 | 1997-04-28 | Hatsuta Seisakusho:Kk | Operation board for fire extinguishing system |
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