JPH02112096U - - Google Patents
Info
- Publication number
- JPH02112096U JPH02112096U JP2023289U JP2023289U JPH02112096U JP H02112096 U JPH02112096 U JP H02112096U JP 2023289 U JP2023289 U JP 2023289U JP 2023289 U JP2023289 U JP 2023289U JP H02112096 U JPH02112096 U JP H02112096U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- annular
- diaphragm
- magnetic fluid
- flange
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図は本考案の実施例に係るスピーカの要部
断面図、第２図は本考案の他の実施例に係るスピ
ーカの要部断面図、第３図は従来例に係るスピー
カを示す断面図、第４図は同要部拡大図である。
１…振動板、２…フランジ、３…磁気ギヤツプ
、４…磁性流体、５，６…プレート、７，１３…
マグネツト、８…センターポール、９…コイルボ
ビン、１０…ダンパ、１１…ボイスコイル、１２
…フレーム、１４，１５…ヨーク、１６…ダスト
シール。
FIG. 1 is a cross-sectional view of a main part of a speaker according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a main part of a speaker according to another embodiment of the present invention, and FIG. 3 is a cross-sectional view of a speaker according to a conventional example. 4 are enlarged views of the same essential parts. 1... Vibration plate, 2... Flange, 3... Magnetic gap, 4... Magnetic fluid, 5, 6... Plate, 7, 13...
Magnet, 8... Center pole, 9... Coil bobbin, 10... Damper, 11... Voice coil, 12
...Frame, 14,15...Yoke, 16...Dust seal.
Claims (1)
する環状の磁気回路を設定し、前記振動板１の周
縁部に筒状のフランジ２を設け、前記磁気ギヤツ
プ３に磁性流体４を充填し、前記フランジ２を前
記磁性流体４を介して前記磁気回路部に支持させ
てなるスピーカにおいて、前記磁性流体４の外側
に環状のダストシール１６を設けたことを特徴と
するスピーカ。 An annular magnetic circuit having an annular magnetic gap 3 is set on the outer periphery of the diaphragm 1, a cylindrical flange 2 is provided on the periphery of the diaphragm 1, and the magnetic gap 3 is filled with a magnetic fluid 4, A speaker in which the flange 2 is supported by the magnetic circuit section via the magnetic fluid 4, characterized in that an annular dust seal 16 is provided on the outside of the magnetic fluid 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023289U JPH02112096U (en) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023289U JPH02112096U (en) | 1989-02-27 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112096U true JPH02112096U (en) | 1990-09-07 |
Family
ID=31236420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023289U Pending JPH02112096U (en) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112096U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147028A (en) * | 1978-05-11 | 1979-11-16 | Matsushita Electric Ind Co Ltd | Speaker |
| JPS6118295A (en) * | 1984-07-04 | 1986-01-27 | Pioneer Electronic Corp | Dynamic transducer |
-
1989
- 1989-02-27 JP JP2023289U patent/JPH02112096U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147028A (en) * | 1978-05-11 | 1979-11-16 | Matsushita Electric Ind Co Ltd | Speaker |
| JPS6118295A (en) * | 1984-07-04 | 1986-01-27 | Pioneer Electronic Corp | Dynamic transducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02112096U (en) | ||
| JPH0255798U (en) | ||
| JPH036397U (en) | ||
| JPH0727758Y2 (en) | Speaker unit | |
| JPS63163097U (en) | ||
| JPS61128896U (en) | ||
| JPS61199997U (en) | ||
| JPS5984996U (en) | composite speaker | |
| JPS619998U (en) | dynamic microphone | |
| JPH0369997U (en) | ||
| JPH0182596U (en) | ||
| JPH0236298U (en) | ||
| JPS63144792U (en) | ||
| JPS6210590U (en) | ||
| JPS63152399U (en) | ||
| JPH0476800U (en) | ||
| JPS6355697U (en) | ||
| JPH0310694U (en) | ||
| JPS61124197U (en) | ||
| JPH0170496U (en) | ||
| JPH0419898U (en) | ||
| JPS6190381U (en) | ||
| JPH01167798U (en) | ||
| JPH0320599U (en) | ||
| JPS6447197U (en) |