JPS61153116U - - Google Patents

Info

Publication number
JPS61153116U
JPS61153116U JP3399585U JP3399585U JPS61153116U JP S61153116 U JPS61153116 U JP S61153116U JP 3399585 U JP3399585 U JP 3399585U JP 3399585 U JP3399585 U JP 3399585U JP S61153116 U JPS61153116 U JP S61153116U
Authority
JP
Japan
Prior art keywords
magnetic head
driving means
optical
magnetic
electromagnetic
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
JP3399585U
Other languages
Japanese (ja)
Other versions
JPH0351815Y2 (en
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 filed Critical
Priority to JP1985033995U priority Critical patent/JPH0351815Y2/ja
Publication of JPS61153116U publication Critical patent/JPS61153116U/ja
Application granted granted Critical
Publication of JPH0351815Y2 publication Critical patent/JPH0351815Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)

Description

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

第１図は本案に係る装置を示す斜視図、第２図
はその動作および光路系を示す平面図、第３図は
その制御系の系統図を示すものである。 １０……磁気ヘツド（電磁駆動手段）、１１…
…レバー体（電磁駆動手段）、１２……永久磁石
（電磁駆動手段）、１４……ダンパー部材（電磁
駆動手段）、１００……支持体（電磁駆動手段）
、１５……トラツキング制御用コイル（電磁駆動
手段）、１６……電磁石（電磁駆動手段）、２０
……反射ミラー（光学測定手段）、２１……発光
体（光学測定手段）、２２……光ポジシヨンセン
サ（光学測定手段）、３０……制御手段、Ｄ……
磁気デイスク。 FIG. 1 is a perspective view showing the device according to the present invention, FIG. 2 is a plan view showing its operation and optical path system, and FIG. 3 is a system diagram of its control system. 10... Magnetic head (electromagnetic drive means), 11...
... Lever body (electromagnetic driving means), 12 ... Permanent magnet (electromagnetic driving means), 14 ... Damper member (electromagnetic driving means), 100 ... Support body (electromagnetic driving means)
, 15... Tracking control coil (electromagnetic drive means), 16... Electromagnet (electromagnetic drive means), 20
... Reflection mirror (optical measurement means), 21 ... Light emitter (optical measurement means), 22 ... Optical position sensor (optical measurement means), 30 ... Control means, D ...
magnetic disk.

Claims (1)

【実用新案登録請求の範囲】 (1) 磁気デイスクに垂直磁化方式で情報信号の
記録・再生を行う磁気記録再生装置の磁気ヘツド
において、前記磁気ヘツドをデイスク半径方向に
所定ストロークで往復移動させる電磁駆動手段と
、この電磁駆動手段による前記磁気ヘツドの移動
変位の検出を行う光学測定手段と、この光学測定
手段による検出レベルから前記電磁駆動手段を制
御する制御手段とからなる磁気ヘツド送り装置。 (2) 前記光学測定手段において、前記磁気ヘツ
ド側に設けたミラーに平行ビームを反射させ、こ
の反射平行ビームを光ポジシヨンセンサで検出す
るようにした実用新案登録請求の範囲第(1)項記
載の磁気ヘツド送り装置。[Claims for Utility Model Registration] (1) In a magnetic head of a magnetic recording and reproducing device that records and reproduces information signals on a magnetic disk using a perpendicular magnetization method, an electromagnetic device that moves the magnetic head back and forth in the radial direction of the disk at a predetermined stroke. A magnetic head feeding device comprising a driving means, an optical measuring means for detecting the displacement of the magnetic head by the electromagnetic driving means, and a control means for controlling the electromagnetic driving means from the detection level by the optical measuring means. (2) In the optical measurement means, a parallel beam is reflected by a mirror provided on the side of the magnetic head, and the reflected parallel beam is detected by an optical position sensor, as claimed in claim (1). The described magnetic head feeder.
JP1985033995U 1985-03-09 1985-03-09 Expired JPH0351815Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985033995U JPH0351815Y2 (en) 1985-03-09 1985-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985033995U JPH0351815Y2 (en) 1985-03-09 1985-03-09

Publications (2)

Publication Number Publication Date
JPS61153116U true JPS61153116U (en) 1986-09-22
JPH0351815Y2 JPH0351815Y2 (en) 1991-11-07

Family

ID=30536962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985033995U Expired JPH0351815Y2 (en) 1985-03-09 1985-03-09

Country Status (1)

Country Link
JP (1) JPH0351815Y2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477016U (en) * 1977-11-11 1979-06-01
JPS5548872A (en) * 1978-10-02 1980-04-08 Nippon Telegr & Teleph Corp <Ntt> Write-in unit for servo signal
JPS55135367A (en) * 1979-04-09 1980-10-22 Pioneer Electronic Corp Setter for stop position of tone arm
JPS56153563A (en) * 1980-04-25 1981-11-27 Hitachi Ltd Write-in device for servo track
JPS58200470A (en) * 1982-05-18 1983-11-22 Matsushita Electric Ind Co Ltd Disk reproducing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477016U (en) * 1977-11-11 1979-06-01
JPS5548872A (en) * 1978-10-02 1980-04-08 Nippon Telegr & Teleph Corp <Ntt> Write-in unit for servo signal
JPS55135367A (en) * 1979-04-09 1980-10-22 Pioneer Electronic Corp Setter for stop position of tone arm
JPS56153563A (en) * 1980-04-25 1981-11-27 Hitachi Ltd Write-in device for servo track
JPS58200470A (en) * 1982-05-18 1983-11-22 Matsushita Electric Ind Co Ltd Disk reproducing device

Also Published As

Publication number Publication date
JPH0351815Y2 (en) 1991-11-07

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