JPS59144992U - magnetic circuit - Google Patents
magnetic circuitInfo
- Publication number
- JPS59144992U JPS59144992U JP3980783U JP3980783U JPS59144992U JP S59144992 U JPS59144992 U JP S59144992U JP 3980783 U JP3980783 U JP 3980783U JP 3980783 U JP3980783 U JP 3980783U JP S59144992 U JPS59144992 U JP S59144992U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- magnet pole
- circumferential surface
- molded body
- resin molded
- 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
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の磁気回路の断面図、第２図は本考案の磁
気回路をスピーカに用いた場合の一実施例を示す断面図
、第３図は本考案磁気回路の分解斜視図、第４図は本考
案磁気回路の他の実施例の断面図である。
５・・・マグネットヨーク部、６・・・マグネットポー
ル部、７・・・磁気ギャップ。
第１図
３−Ｌ
、 ／FIG. 1 is a sectional view of a conventional magnetic circuit, FIG. 2 is a sectional view showing an embodiment of the magnetic circuit of the present invention used in a speaker, and FIG. 3 is an exploded perspective view of the magnetic circuit of the present invention. FIG. 4 is a sectional view of another embodiment of the magnetic circuit of the present invention. 5... Magnet yoke part, 6... Magnet pole part, 7... Magnetic gap. Figure 1 3-L, /
Claims (1)
ール部と、同じく強磁性粉体を混入した樹脂成形体から
なり上記マグネットポール部の外周下端部にその下端部
が嵌合する環状のマグネットヨーク部と、を備え、上記
マグネットポール部の上端外周面と上記マグネットヨー
ク部の上端内周面との間に磁気ギャップを構成した事を
特徴とする磁気回路。A magnet pole part made of a resin molded body mixed with ferromagnetic powder, and an annular magnet yoke whose lower end is fitted to the lower end of the outer periphery of the magnet pole part, which is also made of a resin molded body mixed with ferromagnetic powder. A magnetic circuit comprising: and a magnetic gap formed between the outer circumferential surface of the upper end of the magnet pole portion and the inner circumferential surface of the upper end of the magnetic yoke portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3980783U JPS59144992U (en) | 1983-03-18 | 1983-03-18 | magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3980783U JPS59144992U (en) | 1983-03-18 | 1983-03-18 | magnetic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144992U true JPS59144992U (en) | 1984-09-27 |
Family
ID=30170442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3980783U Pending JPS59144992U (en) | 1983-03-18 | 1983-03-18 | magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011519241A (en) * | 2008-04-30 | 2011-06-30 | ルノー・エス・アー・エス | Leak-free coil transducer motor assembly without iron |
-
1983
- 1983-03-18 JP JP3980783U patent/JPS59144992U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011519241A (en) * | 2008-04-30 | 2011-06-30 | ルノー・エス・アー・エス | Leak-free coil transducer motor assembly without iron |
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