CA2014158C - Support de memoire magneto-optique - Google Patents

Support de memoire magneto-optique

Info

Publication number
CA2014158C
CA2014158C CA002014158A CA2014158A CA2014158C CA 2014158 C CA2014158 C CA 2014158C CA 002014158 A CA002014158 A CA 002014158A CA 2014158 A CA2014158 A CA 2014158A CA 2014158 C CA2014158 C CA 2014158C
Authority
CA
Canada
Prior art keywords
film
magneto
reading
recording
memory medium
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
CA002014158A
Other languages
English (en)
Inventor
Kenji Ohta
Akira Takahashi
Hiroyuki Katayama
Tomokazu Ise
Tomoyuki Miyake
Junichiro Nakayama
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority to JP1089318A priority Critical patent/JP2685888B2/ja
Priority to JP1189318A priority patent/JPH06105955B2/ja
Priority to US07/505,476 priority patent/US5095350A/en
Priority to EP90303736A priority patent/EP0391738B1/fr
Priority to DE69015407T priority patent/DE69015407T2/de
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to CA002014158A priority patent/CA2014158C/fr
Application granted granted Critical
Publication of CA2014158C publication Critical patent/CA2014158C/fr
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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
CA002014158A 1989-04-07 1990-04-09 Support de memoire magneto-optique Expired - Lifetime CA2014158C (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1089318A JP2685888B2 (ja) 1989-04-07 1989-04-07 磁気光学記録媒体
JP1189318A JPH06105955B2 (ja) 1989-07-21 1989-07-21 印刷用画像データ圧縮・復元システム
US07/505,476 US5095350A (en) 1989-04-07 1990-04-06 Magneto-optic memory medium
EP90303736A EP0391738B1 (fr) 1989-04-07 1990-04-06 Milieu de mémorisation magnéto-optique
DE69015407T DE69015407T2 (de) 1989-04-07 1990-04-06 Magnetooptischer Aufzeichnungsträger.
CA002014158A CA2014158C (fr) 1989-04-07 1990-04-09 Support de memoire magneto-optique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP89318/1989 1989-04-07
JP1189318A JPH06105955B2 (ja) 1989-07-21 1989-07-21 印刷用画像データ圧縮・復元システム
CA002014158A CA2014158C (fr) 1989-04-07 1990-04-09 Support de memoire magneto-optique

Publications (1)

Publication Number Publication Date
CA2014158C true CA2014158C (fr) 1995-04-04

Family

ID=25674059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002014158A Expired - Lifetime CA2014158C (fr) 1989-04-07 1990-04-09 Support de memoire magneto-optique

Country Status (2)

Country Link
JP (1) JPH06105955B2 (fr)
CA (1) CA2014158C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583656A (en) * 1992-12-31 1996-12-10 Eastman Kodak Company Methods and apparatus for attaching compressed look-up table (LUT) representations of N to M-dimensional transforms to image data and for processing image data utilizing the attached compressed LUTs
JP4192640B2 (ja) * 2003-03-19 2008-12-10 セイコーエプソン株式会社 ブロック内のエッジを検出しながら処理を行う画像処理装置、および画像処理方法

Also Published As

Publication number Publication date
JPH0353767A (ja) 1991-03-07
JPH06105955B2 (ja) 1994-12-21

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