JPS613504U - magneto-optical recording device - Google Patents

magneto-optical recording device

Info

Publication number
JPS613504U
JPS613504U JP8833484U JP8833484U JPS613504U JP S613504 U JPS613504 U JP S613504U JP 8833484 U JP8833484 U JP 8833484U JP 8833484 U JP8833484 U JP 8833484U JP S613504 U JPS613504 U JP S613504U
Authority
JP
Japan
Prior art keywords
magneto
optical recording
recording device
magnetic field
bias magnetic
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
JP8833484U
Other languages
Japanese (ja)
Other versions
JPH0422403Y2 (en
Inventor
保 前田
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP8833484U priority Critical patent/JPS613504U/en
Publication of JPS613504U publication Critical patent/JPS613504U/en
Application granted granted Critical
Publication of JPH0422403Y2 publication Critical patent/JPH0422403Y2/ja
Granted legal-status Critical Current

Links

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  • Recording Or Reproducing By Magnetic Means (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]

シ品弄;L′:..′:!,.″:ぶ李費艷累i孟で図
〜第6図は既提案の光磁気記録装置の断面図及びその動
作状態を示す断面図、第7図は本考案による光磁気記録
装置の一実施例に使用する光学式ヘッドの一例を示す断
面甲、第8図ご第10図は本考案の各実施例を示す配置
図である。 1は磁化膜、3は光磁気記録媒体(ディスク)、4は非
磁性基板、5.5W,5Eは光学式ヘッド、6は磁石装
置、6W,6Eはその記録及−び消去用磁石部、12は
電磁駆動形アクチュエータ、13は対物レンズ、14は
光学系、26はアクチュエータ12の永久磁石である。
L':. .. ′:! 、. Figures 6 to 6 are cross-sectional views of the previously proposed magneto-optical recording device and a cross-sectional view showing its operating state, and FIG. 7 is an embodiment of the magneto-optical recording device according to the present invention. 8 and 10 are layout diagrams showing each embodiment of the present invention. 1 is a magnetized film, 3 is a magneto-optical recording medium (disk), 4 is a cross-sectional view showing an example of an optical head used in 5.5W, 5E are non-magnetic substrates, 5.5W, 5E are optical heads, 6 are magnet devices, 6W, 6E are recording and erasing magnets, 12 is an electromagnetic actuator, 13 is an objective lens, 14 is an optical system , 26 are permanent magnets of the actuator 12.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光磁気記録媒体にバイアス磁界発生手段によってバイア
ス磁界を与えると共に、光学ヘッドによって光を照射し
て記録及び消去を行なうようにした光i気記録装置に於
いて、上記光学ヘッドの対物レンズ駆動用の電磁駆動形
アクチュエータに設けられた永久磁石を上記バイアス磁
界発生手段に兼用するようにして成る光磁気記録装置。
In an optical recording device in which a bias magnetic field is applied to a magneto-optical recording medium by a bias magnetic field generating means, and recording and erasing are performed by irradiating light with an optical head, there is provided a method for driving an objective lens of the optical head. A magneto-optical recording device in which a permanent magnet provided in an electromagnetically driven actuator is also used as the bias magnetic field generating means.
JP8833484U 1984-06-14 1984-06-14 magneto-optical recording device Granted JPS613504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8833484U JPS613504U (en) 1984-06-14 1984-06-14 magneto-optical recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8833484U JPS613504U (en) 1984-06-14 1984-06-14 magneto-optical recording device

Publications (2)

Publication Number Publication Date
JPS613504U true JPS613504U (en) 1986-01-10
JPH0422403Y2 JPH0422403Y2 (en) 1992-05-22

Family

ID=30641369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8833484U Granted JPS613504U (en) 1984-06-14 1984-06-14 magneto-optical recording device

Country Status (1)

Country Link
JP (1) JPS613504U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152503A (en) * 1983-02-19 1984-08-31 Canon Inc Optical pickup device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152503A (en) * 1983-02-19 1984-08-31 Canon Inc Optical pickup device

Also Published As

Publication number Publication date
JPH0422403Y2 (en) 1992-05-22

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