JPS6289898U - - Google Patents
Info
- Publication number
- JPS6289898U JPS6289898U JP18255585U JP18255585U JPS6289898U JP S6289898 U JPS6289898 U JP S6289898U JP 18255585 U JP18255585 U JP 18255585U JP 18255585 U JP18255585 U JP 18255585U JP S6289898 U JPS6289898 U JP S6289898U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic circuit
- plate
- fixed
- flat 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
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000005415 magnetization Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図はこの考案の防磁型磁気回路の一実施例
を示す正面図、第２図はこの考案の防磁型磁気回
路の他の実施例の正面図、第３図は従来の防磁型
磁気回路を示す正面図、第４図は従来の防磁型磁
気回路の磁束の流れを示す正面図である。
１……ポールヨーク、２，４……マグネツト、
３……プレート、６……平板、７……防磁キヤツ
プ。
Figure 1 is a front view showing one embodiment of the magnetic shield type magnetic circuit of this invention, Figure 2 is a front view of another embodiment of the magnetic shield type magnetic circuit of this invention, and Figure 3 is a conventional magnetic shield type magnetic circuit. FIG. 4 is a front view showing the flow of magnetic flux in a conventional magnetic shield type magnetic circuit. 1...Pole yoke, 2,4...Magnet,
3...Plate, 6...Flat plate, 7...Magnetic shield cap.
Claims (1)
成される外磁型磁気回路において、磁性材料より
なる平板上に上記マグネツトと磁化方向が逆のマ
グネツトを固着し、かつマグネツト上部をポール
ヨークの底面部に固着させるとともに、プレート
と平板を磁性材料の防磁キヤツプにより結合固着
されたことを特徴とする防磁型磁気回路。 (2) 上記キヤツプにおいてプレート近傍におい
ては径が小であり、磁気回路の底面部の径が大で
あることを特徴とする実用新案登録請求の範囲第
１項記載の防磁型磁気回路。 (3) 上記平板の厚さが防磁キヤツプより厚いこ
とを特徴とする実用新案登録請求の範囲第１項記
載の防磁型磁気回路。[Scope of Claim for Utility Model Registration] (1) In an external magnetic type magnetic circuit composed of a pole yoke, a magnet, and a plate, a magnet whose magnetization direction is opposite to that of the above magnet is fixed on a flat plate made of a magnetic material, and A magnetic circuit of the magnetic shield type characterized in that the upper part is fixed to the bottom part of the pole yoke, and the plate and flat plate are bonded and fixed by a magnetic shield cap made of magnetic material. (2) A magnetically shielded magnetic circuit according to claim 1, wherein the cap has a small diameter near the plate and a large diameter at the bottom of the magnetic circuit. (3) The magnetic circuit of the magnetic shield type according to claim 1, wherein the flat plate is thicker than the magnetic shield cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18255585U JPS6289898U (en) | 1985-11-27 | 1985-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18255585U JPS6289898U (en) | 1985-11-27 | 1985-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289898U true JPS6289898U (en) | 1987-06-09 |
Family
ID=31128461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18255585U Pending JPS6289898U (en) | 1985-11-27 | 1985-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289898U (en) |
-
1985
- 1985-11-27 JP JP18255585U patent/JPS6289898U/ja active Pending
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