JPH0165590U - - Google Patents
Info
- Publication number
- JPH0165590U JPH0165590U JP1987160903U JP16090387U JPH0165590U JP H0165590 U JPH0165590 U JP H0165590U JP 1987160903 U JP1987160903 U JP 1987160903U JP 16090387 U JP16090387 U JP 16090387U JP H0165590 U JPH0165590 U JP H0165590U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- cap
- center
- fixed
- top plate
- 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
- 230000002265 prevention Effects 0.000 claims description 3
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図はこの考案の磁気漏洩防止形スピーカー
ユニツトを示す垂直断面図、第２図は従来の磁気
漏洩防止形スピーカーユニツトを示す垂直断面図
である。
なお図中１ａはＮｄ−ＦｅＢ磁石、２はトツプ
プレート、３はポールピース、８はボイスコイル
、９はヨーク、９ａは抜穴、Ａは磁気ギヤツプで
ある。その他図中同一符号は同一または相当部分
を示すものとする。
FIG. 1 is a vertical sectional view showing a magnetic leakage prevention type speaker unit of this invention, and FIG. 2 is a vertical sectional view showing a conventional magnetic leakage prevention type speaker unit. In the figure, 1a is a Nd-FeB magnet, 2 is a top plate, 3 is a pole piece, 8 is a voice coil, 9 is a yoke, 9a is a hole, and A is a magnetic gap. In other figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
レートを重合固着させたキヤツプ状ヨークの内底
面中央部に、筒状のＮｄ−ＦｅＢ磁石を植立状態
に固着させ、その頂部に設けた環状のポールピー
スで、上記トツププレートとの間にボイスコイル
が挿入される磁気ギヤツプを形成させたことを特
徴とする磁気漏洩防止形スピーカーユニツト。 A cylindrical Nd-FeB magnet was fixed to the center of the inner bottom surface of the cap-like yoke, which had a hole in the center of the bottom and an annular top plate was polymerized and fixed to the top, and was installed at the top of the cap-like yoke. A magnetic leakage prevention type speaker unit characterized in that a magnetic gap in which a voice coil is inserted between the annular pole piece and the top plate is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160903U JPH0165590U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160903U JPH0165590U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165590U true JPH0165590U (en) | 1989-04-26 |
Family
ID=31443376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160903U Pending JPH0165590U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165590U (en) |
-
1987
- 1987-10-21 JP JP1987160903U patent/JPH0165590U/ja active Pending