JPS6392498U - - Google Patents
Info
- Publication number
- JPS6392498U JPS6392498U JP18797586U JP18797586U JPS6392498U JP S6392498 U JPS6392498 U JP S6392498U JP 18797586 U JP18797586 U JP 18797586U JP 18797586 U JP18797586 U JP 18797586U JP S6392498 U JPS6392498 U JP S6392498U
- Authority
- JP
- Japan
- Prior art keywords
- voice coil
- speaker
- maximum amplitude
- winding width
- magnetic fluid
- 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 3
- 238000004804 winding Methods 0.000 claims description 3
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図乃至第３図は本考案に係るスピーカ構造
の実施例を示し、第１図は断面図、第２図Ａ，Ｂ
は最大振幅長とボイスコイル巻幅との関係を示す
要部の断面図、第３図Ａ，Ｂはボイスコイルの上
限及び下限の位置を示す要部の断面図である。第
４図Ａ乃至Ｃは従来の磁性流体充填型スピーカに
おけるボイスコイルの形態を示す要部の断面図、
第５図及び第６図は第４図Ａに示すものの不具合
を説明するための要部の断面図である。
１：磁気回路、２：ヨーク、４：マグネツト、
５：トツププレート、６：磁気ギヤツプ、７：磁
性流体、１１：振動系、１２：振動板、１３：ボ
イスコイル、Ｌ：コイル巻幅、Ｌ′：最大振幅長
、１４：コイルボビン、１５：エツジ。
1 to 3 show an embodiment of the speaker structure according to the present invention, FIG. 1 is a sectional view, and FIGS. 2A and B
3A and 3B are sectional views of the main parts showing the relationship between the maximum amplitude length and the voice coil winding width, and FIGS. 3A and 3B are sectional views of the main parts showing the positions of the upper and lower limits of the voice coil. FIGS. 4A to 4C are cross-sectional views of main parts showing the form of the voice coil in a conventional magnetic fluid-filled speaker;
FIGS. 5 and 6 are cross-sectional views of essential parts of the device shown in FIG. 4A for explaining the problem. 1: Magnetic circuit, 2: Yoke, 4: Magnet,
5: Top plate, 6: Magnetic gap, 7: Magnetic fluid, 11: Vibration system, 12: Diaphragm, 13: Voice coil, L: Coil winding width, L': Maximum amplitude length, 14: Coil bobbin, 15: Edge .
Claims (1)
つてボイスコイルの中心保持をなさしめたスピー
において、 上記ボイスコイルの巻幅が最大振幅長近傍まで
形成されていることを特徴とするスピーカ構造。[Scope of Claim for Utility Model Registration] In a speaker in which the center of the voice coil is maintained by filling a magnetic gap with magnetic fluid, the winding width of the voice coil is formed to be close to the maximum amplitude length. A speaker structure featuring
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18797586U JPS6392498U (en) | 1986-12-08 | 1986-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18797586U JPS6392498U (en) | 1986-12-08 | 1986-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392498U true JPS6392498U (en) | 1988-06-15 |
Family
ID=31138922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18797586U Pending JPS6392498U (en) | 1986-12-08 | 1986-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392498U (en) |
-
1986
- 1986-12-08 JP JP18797586U patent/JPS6392498U/ja active Pending