JPS6064467U - Magnetic circuit of magnetic head positioner - Google Patents

Magnetic circuit of magnetic head positioner

Info

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
Application number
JP15472383U
Other languages
Japanese (ja)
Other versions
JPH0142867Y2 (en
Inventor
佐藤　孔宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15472383U priority Critical patent/JPS6064467U/en
Publication of JPS6064467U publication Critical patent/JPS6064467U/en
Application granted granted Critical
Publication of JPH0142867Y2 publication Critical patent/JPH0142867Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気へラドアームを位置決めするヘッドポジショナ用の
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.
JP15472383U 1983-10-05 1983-10-05 Magnetic circuit of magnetic head positioner Granted JPS6064467U (en)

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)

Also Published As

Publication number Publication date
JPH0142867Y2 (en) 1989-12-13

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