JPS6064467U - Magnetic circuit of magnetic head positioner - Google Patents
Magnetic circuit of magnetic head positionerInfo
- Publication number
- JPS6064467U JPS6064467U JP15472383U JP15472383U JPS6064467U JP S6064467 U JPS6064467 U JP S6064467U JP 15472383 U JP15472383 U JP 15472383U JP 15472383 U JP15472383 U JP 15472383U JP S6064467 U JPS6064467 U JP S6064467U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- positioner
- magnetic circuit
- circuit
- head positioner
- 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.)
- Granted
Links
Landscapes
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (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図のイは従来の磁気へラドポジショナを示−す縦断
面図、口は可動コイルの平面図、ハは可動コイルの部分
断面図、第２図は従来のボイスコイルモータの磁気回路
の側面図、第３図は本考案による磁気回路を示す図、第
４図は磁気特性を示す図である。 、
図において、９はボイスコイル、モータ、
′５ａ。
５ｂは永久磁石、１１はコ字状ヨーク、１１ａ。In Fig. 1, A is a vertical cross-sectional view of a conventional magnetic head positioner, C is a plan view of the moving coil, C is a partial cross-sectional view of the moving coil, and Fig. 2 is a diagram of the magnetic circuit of a conventional voice coil motor. A side view, FIG. 3 is a diagram showing a magnetic circuit according to the present invention, and FIG. 4 is a diagram showing magnetic characteristics. ,
In the figure, 9 is a voice coil, a motor,
'5a. 5b is a permanent magnet, 11 is a U-shaped yoke, and 11a.
Claims (1)
磁気回路であって、２個の偏平な永久磁石を磁気空隙を
挾んで互いに逆極性になるように断面形状がコ“字状の
ヨークの２つの腕部内面に配−置した磁気回路を２個互
いに付き合わせてヨークが矩形状となるように密着させ
、前記永久磁石に挾まれた２つの磁石空隙における磁束
方向が互いに逆方向になるように構成し、該磁気空隙に
可動コイルを配設することを特徴とする磁気ヘッドポ、
ジショナの磁気回路。A magnetic circuit for a head positioner that positions a magnetic herad arm, in which two flat permanent magnets are sandwiched between two arms of a yoke with a U-shaped cross section so that they have opposite polarities to each other with a magnetic gap in between. Two magnetic circuits arranged on the inner surface are brought into close contact with each other so that the yoke has a rectangular shape, and the magnetic flux directions in the two magnet gaps sandwiched between the permanent magnets are in opposite directions. , a magnetic head port characterized in that a moving coil is disposed in the magnetic gap;
positioner magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15472383U JPS6064467U (en) | 1983-10-05 | 1983-10-05 | Magnetic circuit of magnetic head positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15472383U JPS6064467U (en) | 1983-10-05 | 1983-10-05 | Magnetic circuit of magnetic head positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6064467U true JPS6064467U (en) | 1985-05-07 |
| JPH0142867Y2 JPH0142867Y2 (en) | 1989-12-13 |
Family
ID=30341930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15472383U Granted JPS6064467U (en) | 1983-10-05 | 1983-10-05 | Magnetic circuit of magnetic head positioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6064467U (en) |
-
1983
- 1983-10-05 JP JP15472383U patent/JPS6064467U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0142867Y2 (en) | 1989-12-13 |
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