JPS6411097U - - Google Patents
Info
- Publication number
- JPS6411097U JPS6411097U JP10597687U JP10597687U JPS6411097U JP S6411097 U JPS6411097 U JP S6411097U JP 10597687 U JP10597687 U JP 10597687U JP 10597687 U JP10597687 U JP 10597687U JP S6411097 U JPS6411097 U JP S6411097U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- top plate
- yokes
- magnets
- center
- 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図は本考案の防磁型磁気回路の一実施例を
示す半断面図、第２図は他の実施例を示す半断面
図、第３図はスピーカに適用した状態を示す半断
面図、第４図は従来の防磁型磁気回路を示す半断
面図である。
１Ａ，１Ｂ……マグネツト、２Ａ，２Ｂ，２…
…ヨーク、３Ａ，３Ｂ……トツププレート、ｇＡ
，ｇＢ……エアーギヤツプ、４Ａ，４Ｂ……ボイ
スコイル、５Ａ，５Ｂ……コーン振動板、６Ａ，
６Ｂ……センターキヤツプ、７Ａ，７Ｂ……ダン
パー、８Ａ，８Ｂ……フレーム、９Ａ，９Ｂ……
ガスケツト。
FIG. 1 is a half-sectional view showing one embodiment of the magnetic shield type magnetic circuit of the present invention, FIG. 2 is a half-sectional view showing another embodiment, and FIG. 3 is a half-sectional view showing a state in which it is applied to a speaker. FIG. 4 is a half-sectional view showing a conventional magnetic shield type magnetic circuit. 1A, 1B...Magnet, 2A, 2B, 2...
...Yoke, 3A, 3B...Top plate, gA
, gB...Air gap, 4A, 4B...Voice coil, 5A, 5B...Cone diaphragm, 6A,
6B... Center cap, 7A, 7B... Damper, 8A, 8B... Frame, 9A, 9B...
Gasket.
Claims (1)
けた２個のヨークもしくはセンターポールを２個
有するヨークと、前記ヨークを挾んで設けた２個
のマグネツトと、前記マグネツトを被う椀形のト
ツププレートとを備え、前記ヨークと前記トツプ
プレートとの間にボイスコイルを駆動可能なエア
ーギヤツプを形成したことを特徴とする防磁型磁
気回路。 Two yokes each having a center pole with their bottoms facing each other, or a yoke having two center poles, two magnets sandwiching the yokes, and a bowl-shaped top plate covering the magnets. A magnetic shield type magnetic circuit comprising: an air gap capable of driving a voice coil formed between the yoke and the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10597687U JPS6411097U (en) | 1987-07-10 | 1987-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10597687U JPS6411097U (en) | 1987-07-10 | 1987-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6411097U true JPS6411097U (en) | 1989-01-20 |
Family
ID=31339073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10597687U Pending JPS6411097U (en) | 1987-07-10 | 1987-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6411097U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6224597B2 (en) * | 1977-07-21 | 1987-05-29 | Iseki Kaihatsu Koki |
-
1987
- 1987-07-10 JP JP10597687U patent/JPS6411097U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6224597B2 (en) * | 1977-07-21 | 1987-05-29 | Iseki Kaihatsu Koki |