JPH0633526Y2 - 光磁気ディスク装置 - Google Patents

光磁気ディスク装置

Info

Publication number
JPH0633526Y2
JPH0633526Y2 JP1988146840U JP14684088U JPH0633526Y2 JP H0633526 Y2 JPH0633526 Y2 JP H0633526Y2 JP 1988146840 U JP1988146840 U JP 1988146840U JP 14684088 U JP14684088 U JP 14684088U JP H0633526 Y2 JPH0633526 Y2 JP H0633526Y2
Authority
JP
Japan
Prior art keywords
magneto
optical disk
recording
pole
rotor magnet
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.)
Expired - Lifetime
Application number
JP1988146840U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0268301U (en]
Inventor
裕司 露口
泰司 野田
敬二 上原
Original Assignee
ティアツク株式会社
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 ティアツク株式会社 filed Critical ティアツク株式会社
Priority to JP1988146840U priority Critical patent/JPH0633526Y2/ja
Priority to US07/432,477 priority patent/US4984224A/en
Publication of JPH0268301U publication Critical patent/JPH0268301U/ja
Application granted granted Critical
Publication of JPH0633526Y2 publication Critical patent/JPH0633526Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/1056—Switching or mechanically reversing the magnetic field generator

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
JP1988146840U 1988-11-10 1988-11-10 光磁気ディスク装置 Expired - Lifetime JPH0633526Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988146840U JPH0633526Y2 (ja) 1988-11-10 1988-11-10 光磁気ディスク装置
US07/432,477 US4984224A (en) 1988-11-10 1989-11-07 Apparatus for recording and/or erasing an information signal on and from a magneto-optical disk wherein the magnetic biasing field means is part of a rotor magnet included in a stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988146840U JPH0633526Y2 (ja) 1988-11-10 1988-11-10 光磁気ディスク装置

Publications (2)

Publication Number Publication Date
JPH0268301U JPH0268301U (en]) 1990-05-23
JPH0633526Y2 true JPH0633526Y2 (ja) 1994-08-31

Family

ID=15416721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988146840U Expired - Lifetime JPH0633526Y2 (ja) 1988-11-10 1988-11-10 光磁気ディスク装置

Country Status (2)

Country Link
US (1) US4984224A (en])
JP (1) JPH0633526Y2 (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69018207T2 (de) * 1989-12-06 1995-07-27 Matsushita Electric Ind Co Ltd Magnetisches Vorspanngerät für ein magnetooptisches Platten-Antriebsgerät.
DE69027754T2 (de) * 1989-12-28 1996-12-05 Matsushita Electric Ind Co Ltd Vormagnetisierungsfeld-Erzeugungsgerät
JPH0487002A (ja) * 1990-07-31 1992-03-19 Toshiba Corp 情報記録媒体処理装置
US5345431A (en) * 1992-09-14 1994-09-06 Hewlett-Packard Company Write and erase assembly for magneto-optic drive apparatus
US5570329A (en) * 1995-03-31 1996-10-29 Eastman Kodak Company System for selectively inverting a magnetic bias field for magneto-optic recording
TWI241568B (en) * 2004-02-10 2005-10-11 Delta Electronics Inc Guiding mechanism
USD597071S1 (en) * 2008-09-05 2009-07-28 Apple Inc. Input mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60226044A (ja) * 1984-04-24 1985-11-11 Sony Corp 光磁気記録装置
JPS61208653A (ja) * 1985-03-12 1986-09-17 Fujitsu Ltd 光磁気デイスク装置
JPS61250801A (ja) * 1985-04-29 1986-11-07 Sony Corp 光磁気デイスク装置用外部磁界反転装置
JPS6214352A (ja) * 1985-07-11 1987-01-22 Nec Home Electronics Ltd 光磁気記録再生装置
US4701895A (en) * 1986-03-28 1987-10-20 Rca Corporation Magnetic biasing apparatus for magneto-optic recording including a permanent magnet

Also Published As

Publication number Publication date
JPH0268301U (en]) 1990-05-23
US4984224A (en) 1991-01-08

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