JPS60251541A - 光学式記録再生装置 - Google Patents

光学式記録再生装置

Info

Publication number
JPS60251541A
JPS60251541A JP59107797A JP10779784A JPS60251541A JP S60251541 A JPS60251541 A JP S60251541A JP 59107797 A JP59107797 A JP 59107797A JP 10779784 A JP10779784 A JP 10779784A JP S60251541 A JPS60251541 A JP S60251541A
Authority
JP
Japan
Prior art keywords
recording medium
information recording
magnetic bias
applying device
bias applying
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
JP59107797A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0557662B2 (enrdf_load_stackoverflow
Inventor
Hideki Aiko
秀樹 愛甲
Yoshinori Kakuno
吉典 覚野
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59107797A priority Critical patent/JPS60251541A/ja
Publication of JPS60251541A publication Critical patent/JPS60251541A/ja
Publication of JPH0557662B2 publication Critical patent/JPH0557662B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • 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

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
JP59107797A 1984-05-28 1984-05-28 光学式記録再生装置 Granted JPS60251541A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59107797A JPS60251541A (ja) 1984-05-28 1984-05-28 光学式記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59107797A JPS60251541A (ja) 1984-05-28 1984-05-28 光学式記録再生装置

Publications (2)

Publication Number Publication Date
JPS60251541A true JPS60251541A (ja) 1985-12-12
JPH0557662B2 JPH0557662B2 (enrdf_load_stackoverflow) 1993-08-24

Family

ID=14468271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59107797A Granted JPS60251541A (ja) 1984-05-28 1984-05-28 光学式記録再生装置

Country Status (1)

Country Link
JP (1) JPS60251541A (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62209786A (ja) * 1986-03-10 1987-09-14 Matsushita Electric Ind Co Ltd 光磁気記録再生装置
FR2601489A1 (fr) * 1986-07-14 1988-01-15 Canon Kk Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement
JPS6320749A (ja) * 1986-07-15 1988-01-28 Pioneer Electronic Corp 光磁気情報記録装置
JPS6346642A (ja) * 1986-08-13 1988-02-27 Canon Inc 光磁気記録装置
JPH01154336A (ja) * 1987-12-10 1989-06-16 Sony Corp 光磁気デイスク装置
JPH01258252A (ja) * 1988-04-07 1989-10-16 Sharp Corp 光磁気デイスク装置
JPH01294248A (ja) * 1989-04-03 1989-11-28 Pioneer Electron Corp ディスク内蔵カートリッジ再生装置
JPH02173960A (ja) * 1988-12-26 1990-07-05 Matsushita Electric Ind Co Ltd 光磁気記録再生装置
EP0351191A3 (en) * 1988-07-13 1991-10-02 Matsushita Electric Industrial Co., Ltd. Recording and/or reproducing apparatus including a cartridge loading device
US5122998A (en) * 1989-06-15 1992-06-16 Matsushita Electric Industrial Co., Ltd. Magneto-optical recording and reproducing apparatus having magnetic head vertically moving support
EP0482585A3 (en) * 1990-10-22 1993-03-17 Sony Corporation Magneto-optical disc recording and/or reproducing apparatus
JPH05128617A (ja) * 1991-11-05 1993-05-25 Nakamichi Corp 磁気ヘツド保持機構
US5329504A (en) * 1992-02-10 1994-07-12 Sony Corporation Disc cartridge loading apparatus

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62209786A (ja) * 1986-03-10 1987-09-14 Matsushita Electric Ind Co Ltd 光磁気記録再生装置
US4993009A (en) * 1986-07-14 1991-02-12 Canon Kabushiki Kaisha Opto-magnetic recording apparatus with a bias magnetic field generating means movable parallel to a recording surface of a recording medium
FR2601489A1 (fr) * 1986-07-14 1988-01-15 Canon Kk Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement
DE3723134A1 (de) * 1986-07-14 1988-01-28 Canon Kk Vorrichtung zur optomagnetischen aufzeichnung
JPS6320749A (ja) * 1986-07-15 1988-01-28 Pioneer Electronic Corp 光磁気情報記録装置
JPS6346642A (ja) * 1986-08-13 1988-02-27 Canon Inc 光磁気記録装置
JPH01154336A (ja) * 1987-12-10 1989-06-16 Sony Corp 光磁気デイスク装置
JPH01258252A (ja) * 1988-04-07 1989-10-16 Sharp Corp 光磁気デイスク装置
US5130869A (en) * 1988-07-13 1992-07-14 Matsushita Electric Industrial Co., Ltd. Recording and/or reproducing apparatus including a cartridge loading device
EP0351191A3 (en) * 1988-07-13 1991-10-02 Matsushita Electric Industrial Co., Ltd. Recording and/or reproducing apparatus including a cartridge loading device
JPH02173960A (ja) * 1988-12-26 1990-07-05 Matsushita Electric Ind Co Ltd 光磁気記録再生装置
JPH01294248A (ja) * 1989-04-03 1989-11-28 Pioneer Electron Corp ディスク内蔵カートリッジ再生装置
US5122998A (en) * 1989-06-15 1992-06-16 Matsushita Electric Industrial Co., Ltd. Magneto-optical recording and reproducing apparatus having magnetic head vertically moving support
EP0482585A3 (en) * 1990-10-22 1993-03-17 Sony Corporation Magneto-optical disc recording and/or reproducing apparatus
US5384757A (en) * 1990-10-22 1995-01-24 Sony Corporation Magneto-optical disc recording and/or reproducing apparatus
US5452271A (en) * 1990-10-22 1995-09-19 Sony Corporation Magneto-optical disc recording and/or reproducing apparatus with simplified means for moving the magnetic head close to and away from the magneto-optical disc during loading and unloading of the magneto-optical disc cartridge
JPH05128617A (ja) * 1991-11-05 1993-05-25 Nakamichi Corp 磁気ヘツド保持機構
US5329504A (en) * 1992-02-10 1994-07-12 Sony Corporation Disc cartridge loading apparatus

Also Published As

Publication number Publication date
JPH0557662B2 (enrdf_load_stackoverflow) 1993-08-24

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term