JPS61154097U - - Google Patents
Info
- Publication number
- JPS61154097U JPS61154097U JP3865585U JP3865585U JPS61154097U JP S61154097 U JPS61154097 U JP S61154097U JP 3865585 U JP3865585 U JP 3865585U JP 3865585 U JP3865585 U JP 3865585U JP S61154097 U JPS61154097 U JP S61154097U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- gap
- magnetic
- top plate
- pole yoke
- 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
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案に係るスピーカの磁気回路構造
を示す半裁断面図で、第２図は同磁気回路構造に
おける磁気ギヤツプの磁束分布図、第３図は同磁
気回路構造におけるＢ１（Ｂは磁気ギヤツプの磁
束密度、１はボイスコイルの導体の長さ）分布図
、第４図は他の実施例の磁気回路構造を示す半裁
断面図、第５図は従来のスピーカの磁気回路構造
を示す半裁断面図で、第６図は同磁気回路構造に
おける磁気ギヤツプの磁束分布図、第７図は同磁
気回路構造におけるＢ１分布図である。
１，７……磁気回路、２……トツププレート、
３……マグネツト、４……ポールヨーク、１０…
…磁気ギヤツプ、１１……補助部材、１２……ギ
ヤツプ、１３……ボイスコイル。
Fig. 1 is a half-cut sectional view showing the magnetic circuit structure of the speaker according to the present invention, Fig. 2 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure, and Fig. 3 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure. Figure 4 is a half-cut cross-sectional view showing the magnetic circuit structure of another embodiment; Figure 5 is a half-cut cross-sectional view showing the magnetic circuit structure of a conventional speaker. In the cross-sectional views, FIG. 6 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure, and FIG. 7 is a B1 distribution diagram in the same magnetic circuit structure. 1, 7...Magnetic circuit, 2...Top plate,
3...Magnet, 4...Pole yoke, 10...
...Magnetic gap, 11...Auxiliary member, 12...Gap, 13...Voice coil.
Claims (1)
り成る第１の磁気回路と、該磁気回路の磁気ギヤ
ツプの近傍にギヤツプを有し、第１の磁気回路の
構成部材の一部を共有した第２の磁気回路と、第
１の磁気回路のポールヨークから磁気ギヤツプ近
傍のトツププレートにギヤツプを介して近接する
ように形成した円筒形状の補助部材とから構成し
たことを特徴とするスピーカの磁気回路構造。 a first magnetic circuit consisting of a top plate, a magnet, and a pole yoke; a second magnetic circuit having a gap near the magnetic gap of the magnetic circuit and sharing some of the constituent members of the first magnetic circuit; and a cylindrical auxiliary member formed so as to be close to the top plate near the magnetic gap via the gap from the pole yoke of the first magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3865585U JPS61154097U (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3865585U JPS61154097U (en) | 1985-03-18 | 1985-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61154097U true JPS61154097U (en) | 1986-09-24 |
Family
ID=30545867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3865585U Pending JPS61154097U (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61154097U (en) |
-
1985
- 1985-03-18 JP JP3865585U patent/JPS61154097U/ja active Pending