JPH026139B2 - - Google Patents

Info

Publication number
JPH026139B2
JPH026139B2 JP54157772A JP15777279A JPH026139B2 JP H026139 B2 JPH026139 B2 JP H026139B2 JP 54157772 A JP54157772 A JP 54157772A JP 15777279 A JP15777279 A JP 15777279A JP H026139 B2 JPH026139 B2 JP H026139B2
Authority
JP
Japan
Prior art keywords
recording
magnetic head
magneto
signal
optical recording
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
JP54157772A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5680803A (en
Inventor
Shinya Sano
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 JP15777279A priority Critical patent/JPS5680803A/ja
Publication of JPS5680803A publication Critical patent/JPS5680803A/ja
Publication of JPH026139B2 publication Critical patent/JPH026139B2/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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907—Details for scanning

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP15777279A 1979-12-04 1979-12-04 Photomagnetic recorder/reproducer Granted JPS5680803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15777279A JPS5680803A (en) 1979-12-04 1979-12-04 Photomagnetic recorder/reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15777279A JPS5680803A (en) 1979-12-04 1979-12-04 Photomagnetic recorder/reproducer

Publications (2)

Publication Number Publication Date
JPS5680803A JPS5680803A (en) 1981-07-02
JPH026139B2 true JPH026139B2 (ko) 1990-02-07

Family

ID=15656956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15777279A Granted JPS5680803A (en) 1979-12-04 1979-12-04 Photomagnetic recorder/reproducer

Country Status (1)

Country Link
JP (1) JPS5680803A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06210399A (ja) * 1993-01-13 1994-08-02 Sumitomo Metal Mining Co Ltd 金属鋳造品の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068118A (ko) * 1973-10-18 1975-06-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068118A (ko) * 1973-10-18 1975-06-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06210399A (ja) * 1993-01-13 1994-08-02 Sumitomo Metal Mining Co Ltd 金属鋳造品の製造方法

Also Published As

Publication number Publication date
JPS5680803A (en) 1981-07-02

Similar Documents

Publication Publication Date Title
US4539662A (en) Method and system for optically recording and playing back information on a recording medium having magnetization film thereon
JPH0321961B2 (ko)
EP0229395B1 (en) Optical magnetic recording and reproducing method and apparatus
US4686661A (en) Information processing apparatus used in a magneto-optical information recording-reproducing apparatus and having improved erasing capability
JP4204640B2 (ja) データをテープ状データ担体上に記録する方法及び磁気テープ
JPH0468693B2 (ko)
US3969765A (en) Device for the thermomagnetic recording of information
JPH026139B2 (ko)
JPH0381211B2 (ko)
JPH0338663B2 (ko)
JPH07220255A (ja) 信号再生装置及び記録再生装置
JPS59203258A (ja) 光学式記録再生装置
JP3362395B2 (ja) 熱磁気記録再生装置
JPS61184744A (ja) 光磁気記録装置
JP2672927B2 (ja) 磁気光学ヘッド
JPS61278060A (ja) 光熱磁気記録再生装置
JP2802453B2 (ja) 磁界変調光磁気記録装置における磁気ヘッドの位置合わせ方法
JPS61198454A (ja) 光学的情報記録方法
US7277363B1 (en) Magneto-optical recording or reproducing device
JPS5794949A (en) Magnetic recorder and reproducer
JPH076447A (ja) 光磁気記録再生装置
JPS6355746A (ja) 光磁気記録媒体の記録装置
JPS628339A (ja) 光テ−プ装置
JPS5842527B2 (ja) デイスクジヨウキロクバイタイヘノ ジヨウホウシンゴウノキロクホウホウ
JPH0253852B2 (ko)