JPS6428095U - - Google Patents
Info
- Publication number
- JPS6428095U JPS6428095U JP12221487U JP12221487U JPS6428095U JP S6428095 U JPS6428095 U JP S6428095U JP 12221487 U JP12221487 U JP 12221487U JP 12221487 U JP12221487 U JP 12221487U JP S6428095 U JPS6428095 U JP S6428095U
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- magnet
- main magnet
- surrounds
- magnetic
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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、要部を断面で示した側面図、第２図
はこの考案のものの漏洩磁束分布図、第３図は従
来例を、要部を断面で示した側面図、第４図は従
来例のものの漏洩磁束分布図である。
なお図中２はフレーム、５はボトムプレート、
６は主マグネツト、７はトツププレート、８は反
発マグネツト、９は漏洩磁束防止カバー、１０は
ボイスコイル、１２は振動板、１４は環状スペー
サーである。その他図中同一符号は同一部分を示
すものとする。
Figure 1 is a side view of the magnetic leakage prevention type speaker unit of this invention, showing the main parts in cross section, Figure 2 is a leakage magnetic flux distribution diagram of this invention, and Figure 3 is a conventional example, with the main parts in cross section. The side view shown in FIG. 4 is a leakage magnetic flux distribution diagram of the conventional example. In the figure, 2 is the frame, 5 is the bottom plate,
6 is a main magnet, 7 is a top plate, 8 is a repulsion magnet, 9 is a leakage magnetic flux prevention cover, 10 is a voice coil, 12 is a diaphragm, and 14 is an annular spacer. In other figures, the same reference numerals indicate the same parts.
Claims (1)
れたトツププレート、これらの間に挾持された主
マグネツト、この主マグネツトと逆極性に着磁さ
れ上記ボトムプレートを挾むように上記主マグネ
ツトに対設された反発マグネツトおよび上記トツ
ププレートの頂面を除きこれら全体を包囲する磁
気漏洩防止カバーを備えたものにおいて、上記ト
ツププレートの頂面に、ボイスコイルを囲繞する
非磁性材料から成る環状スペーサーを介して、振
動板を保持するフレームの底面を重合固着させた
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 bottom plate with a pole piece, a top plate placed opposite the top plate, a main magnet held between them, and a repulsion magnet magnetized with the opposite polarity to the main magnet and placed opposite the main magnet so as to sandwich the bottom plate. A magnet and a magnetic leak prevention cover that surrounds the entirety of the top plate except for the top surface of the top plate are provided, and an annular spacer made of a non-magnetic material that surrounds the voice coil is provided on the top surface of the top plate to prevent vibrations. A magnetic leakage-preventing speaker unit characterized by polymerizing and fixing the bottom of the frame that holds the board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12221487U JPS6428095U (en) | 1987-08-10 | 1987-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12221487U JPS6428095U (en) | 1987-08-10 | 1987-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428095U true JPS6428095U (en) | 1989-02-17 |
Family
ID=31369932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12221487U Pending JPS6428095U (en) | 1987-08-10 | 1987-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428095U (en) |
-
1987
- 1987-08-10 JP JP12221487U patent/JPS6428095U/ja active Pending
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