JPH0221999U - - Google Patents
Info
- Publication number
- JPH0221999U JPH0221999U JP10027288U JP10027288U JPH0221999U JP H0221999 U JPH0221999 U JP H0221999U JP 10027288 U JP10027288 U JP 10027288U JP 10027288 U JP10027288 U JP 10027288U JP H0221999 U JPH0221999 U JP H0221999U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- yoke
- inner bottom
- magnetic circuit
- protrusion
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案実施例の断面図、第２図は変形
例の断面図である。
１は磁石、２は凹欠部、３はヨーク、４は突起
、５はポールである。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a modified example. 1 is a magnet, 2 is a recessed portion, 3 is a yoke, 4 is a protrusion, and 5 is a pole.
Claims (1)
石の上面にポールを取付けた構造の内磁型のスピ
ーカ用磁気回路に於て、ヨーク３の内部底面に突
起４が形成されると共に、プラスチツク磁性材料
からなる磁石１の、前記ヨーク３の内部底面に接
する面に凹欠部２が形成されており、当該凹欠部
２に前記突起４を嵌挿させた状態でヨーク３と磁
石１とが固定され、当該磁石１の上面にポール５
が固着されていることを特徴とするスピーカ用磁
気回路。 In an internal magnetic type speaker magnetic circuit having a structure in which a magnet is disposed on the inner bottom surface of a pot-shaped yoke and a pole is attached to the upper surface of the magnet, a protrusion 4 is formed on the inner bottom surface of the yoke 3. A recessed part 2 is formed on the surface of the magnet 1 made of a plastic magnetic material that contacts the inner bottom surface of the yoke 3, and when the protrusion 4 is fitted into the recessed part 2, the yoke 3 and the magnet are connected. 1 is fixed, and a pole 5 is placed on the top surface of the magnet 1.
A magnetic circuit for a speaker, characterized in that: is fixed to the magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10027288U JPH0221999U (en) | 1988-07-27 | 1988-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10027288U JPH0221999U (en) | 1988-07-27 | 1988-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221999U true JPH0221999U (en) | 1990-02-14 |
Family
ID=31328207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10027288U Pending JPH0221999U (en) | 1988-07-27 | 1988-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356976A (en) * | 2003-05-29 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Speaker |
-
1988
- 1988-07-27 JP JP10027288U patent/JPH0221999U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356976A (en) * | 2003-05-29 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Speaker |