JPH0423395U - - Google Patents
Info
- Publication number
- JPH0423395U JPH0423395U JP6466290U JP6466290U JPH0423395U JP H0423395 U JPH0423395 U JP H0423395U JP 6466290 U JP6466290 U JP 6466290U JP 6466290 U JP6466290 U JP 6466290U JP H0423395 U JPH0423395 U JP H0423395U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- internal
- yoke
- ring
- internal space
- 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
- 239000011358 absorbing material Substances 0.000 claims description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は第１実施例の断面図、第２図は第２実
施例の断面図、第３図は従来例の断面図である。
１はリング状プレート、２はリング状マグネツ
ト、３はヨーク、４は吸音材である。
FIG. 1 is a sectional view of the first embodiment, FIG. 2 is a sectional view of the second embodiment, and FIG. 3 is a sectional view of the conventional example. 1 is a ring-shaped plate, 2 is a ring-shaped magnet, 3 is a yoke, and 4 is a sound absorbing material.
Claims (1)
気回路において、リング状プレート１と、リング
状マグネツト２と、磁気回路の内部空間の容積を
増大したヨーク３から成ることを特徴とする内磁
型磁気回路。 前記ヨーク３内の前記増大した内部空間に吸
音材４が詰められていることを特徴とする実用新
案登録請求の範囲第項記載の内磁型磁気回路。[Claims for Utility Model Registration] A magnetic circuit for an internal magnetic type speaker in an electroacoustic transducer comprises a ring-shaped plate 1, a ring-shaped magnet 2, and a yoke 3 with an increased volume of the internal space of the magnetic circuit. Features an internal magnetic circuit. The internal magnet type magnetic circuit according to claim 1, wherein the increased internal space in the yoke 3 is filled with a sound absorbing material 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6466290U JPH0423395U (en) | 1990-06-18 | 1990-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6466290U JPH0423395U (en) | 1990-06-18 | 1990-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423395U true JPH0423395U (en) | 1992-02-26 |
Family
ID=31595806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6466290U Pending JPH0423395U (en) | 1990-06-18 | 1990-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423395U (en) |
-
1990
- 1990-06-18 JP JP6466290U patent/JPH0423395U/ja active Pending
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