JPH0447375B2 - - Google Patents

Info

Publication number
JPH0447375B2
JPH0447375B2 JP57206905A JP20690582A JPH0447375B2 JP H0447375 B2 JPH0447375 B2 JP H0447375B2 JP 57206905 A JP57206905 A JP 57206905A JP 20690582 A JP20690582 A JP 20690582A JP H0447375 B2 JPH0447375 B2 JP H0447375B2
Authority
JP
Japan
Prior art keywords
optical recording
recording medium
recording
information
optical
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
JP57206905A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5998333A (ja
Inventor
Kyonobu Endo
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP57206905A priority Critical patent/JPS5998333A/ja
Priority to DE19833342525 priority patent/DE3342525A1/de
Priority to GB08331560A priority patent/GB2133914B/en
Publication of JPS5998333A publication Critical patent/JPS5998333A/ja
Priority to US07/374,626 priority patent/US5042020A/en
Publication of JPH0447375B2 publication Critical patent/JPH0447375B2/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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP57206905A 1982-11-27 1982-11-27 情報記録再生装置 Granted JPS5998333A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57206905A JPS5998333A (ja) 1982-11-27 1982-11-27 情報記録再生装置
DE19833342525 DE3342525A1 (de) 1982-11-27 1983-11-24 Geraet zur informations-aufzeichnung und/oder -wiedergabe
GB08331560A GB2133914B (en) 1982-11-27 1983-11-25 Optical recording and/or reproducing apparatus
US07/374,626 US5042020A (en) 1982-11-27 1989-06-30 Information recording and/or reproducing apparatus with an optical medium sensor for providing automatic variation in light beam intensity in accordance with various recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57206905A JPS5998333A (ja) 1982-11-27 1982-11-27 情報記録再生装置

Publications (2)

Publication Number Publication Date
JPS5998333A JPS5998333A (ja) 1984-06-06
JPH0447375B2 true JPH0447375B2 (enrdf_load_stackoverflow) 1992-08-03

Family

ID=16531004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57206905A Granted JPS5998333A (ja) 1982-11-27 1982-11-27 情報記録再生装置

Country Status (1)

Country Link
JP (1) JPS5998333A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289451A (en) * 1984-11-29 1994-02-22 Canon Kabushiki Kaisha Optical information recording/reproduction apparatus including means for detecting the type of recording medium
JP2607359B2 (ja) * 1984-11-29 1997-05-07 キヤノン株式会社 情報再生装置
JPS61139977A (ja) * 1984-12-12 1986-06-27 Canon Inc 光情報記録再生装置
JPS61180935A (ja) * 1985-02-06 1986-08-13 Matsushita Electric Ind Co Ltd 光学的信号記録再生装置
JPS61227236A (ja) * 1985-04-01 1986-10-09 Matsushita Electric Ind Co Ltd 光学的信号再生装置
JPS6355732A (ja) * 1986-08-26 1988-03-10 Pioneer Electronic Corp 光学式記録再生装置
JPS63109366U (enrdf_load_stackoverflow) * 1986-12-27 1988-07-14
JP2684657B2 (ja) * 1987-11-13 1997-12-03 ヤマハ株式会社 光ディスク記録方法
JP2573093B2 (ja) * 1990-09-28 1997-01-16 三洋電機株式会社 情報記録媒体
JPH04341929A (ja) * 1991-05-17 1992-11-27 Matsushita Electric Ind Co Ltd 光ディスク装置
JP2725561B2 (ja) * 1993-08-09 1998-03-11 ヤマハ株式会社 光ディスク記録方法、光ディスク記録装置、光ディスク記録担体
US5418767A (en) * 1993-10-28 1995-05-23 International Business Machines Corporation Detection of overusage of spare sectors in an optical disk

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532238A (en) * 1978-08-25 1980-03-06 Matsushita Electric Ind Co Ltd Optical recorder and reproducing method
JPH0711864B2 (ja) * 1982-03-31 1995-02-08 株式会社日立製作所 光ディスクの記録・読出し方法
JPS5960742A (ja) * 1982-09-30 1984-04-06 Fujitsu Ltd 光デイスクの記録再生制御方法

Also Published As

Publication number Publication date
JPS5998333A (ja) 1984-06-06

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