DE69322730D1 - Verfahren und Vorrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information - Google Patents

Verfahren und Vorrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information

Info

Publication number
DE69322730D1
DE69322730D1 DE69322730T DE69322730T DE69322730D1 DE 69322730 D1 DE69322730 D1 DE 69322730D1 DE 69322730 T DE69322730 T DE 69322730T DE 69322730 T DE69322730 T DE 69322730T DE 69322730 D1 DE69322730 D1 DE 69322730D1
Authority
DE
Germany
Prior art keywords
reproduction
information
optical recording
recording
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 - Fee Related
Application number
DE69322730T
Other languages
English (en)
Other versions
DE69322730T2 (de
Inventor
Osamu Koyama
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
Application granted granted Critical
Publication of DE69322730D1 publication Critical patent/DE69322730D1/de
Publication of DE69322730T2 publication Critical patent/DE69322730T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • 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
    • G11B11/10532—Heads

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69322730T 1992-10-12 1993-10-11 Verfahren und Vorrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information Expired - Fee Related DE69322730T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29821492A JP3183364B2 (ja) 1992-10-12 1992-10-12 光学的情報記録再生方式

Publications (2)

Publication Number Publication Date
DE69322730D1 true DE69322730D1 (de) 1999-02-04
DE69322730T2 DE69322730T2 (de) 1999-06-02

Family

ID=17856698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322730T Expired - Fee Related DE69322730T2 (de) 1992-10-12 1993-10-11 Verfahren und Vorrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information

Country Status (4)

Country Link
US (1) US5485438A (de)
EP (1) EP0593232B1 (de)
JP (1) JP3183364B2 (de)
DE (1) DE69322730T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696468A (ja) * 1992-09-14 1994-04-08 Canon Inc 光記録再生装置及び半導体レーザアレイ
US5793549A (en) * 1995-11-15 1998-08-11 Zen Research N.V. Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device
US5907526A (en) * 1995-11-15 1999-05-25 Zen Research N.V. Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium
US5917797A (en) * 1997-08-15 1999-06-29 Zen Research Nv Multi-beam optical pickup assembly and methods using a compact two-dimensional arrangement of beams
US6137763A (en) * 1998-09-24 2000-10-24 Zen Research N.V. Method and apparatus for buffering data in a multi-beam optical disk reader
WO2002065461A2 (en) 2001-01-08 2002-08-22 Zen Research (Ireland), Ltd. Method and apparatus for writing multiple tracks of an optical disk
US6940805B2 (en) * 2001-10-23 2005-09-06 Dragsholm Wireless Holdings Llc Methods and apparatus for cross-talk and jitter reduction in multi-beam optical disks
CN101401164A (zh) * 2006-03-10 2009-04-01 皇家飞利浦电子股份有限公司 用于写/读信息载体的方法和设备以及该种信息载体
AU2007323570A1 (en) * 2006-11-22 2008-05-29 Sonoma Orthopedic Products Inc. Surgical tools for use in deploying bone repair devices
US11874144B2 (en) * 2020-07-28 2024-01-16 Li Lin Displacement measurement system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107121A (ja) * 1975-03-17 1976-09-22 Yoshifumi Sakurai Hikarijikikirokuhoshiki
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
JPS5910168U (ja) * 1982-07-12 1984-01-23 ソニー株式会社 デイスク再生装置
JPS61216172A (ja) * 1985-03-20 1986-09-25 Victor Co Of Japan Ltd 回転記録媒体の信号記録方式
JP2521908B2 (ja) * 1985-06-11 1996-08-07 株式会社ニコン オ―バ―ライト可能な光磁気記録方法、それに使用される光磁気記録装置及び光磁気記録媒体、並びに変調方法、変調装置及び光磁気記録媒体
JPS6284441A (ja) * 1985-10-08 1987-04-17 Matsushita Electric Ind Co Ltd 光デイスク記録再生方法
JP2622959B2 (ja) * 1986-10-31 1997-06-25 富士通 株式会社 光ディスク制御装置
JP2559742B2 (ja) * 1987-07-14 1996-12-04 株式会社日立製作所 複数スポット位置合わせ制御方法並びに装置
JP2762435B2 (ja) * 1987-04-24 1998-06-04 ソニー株式会社 熱磁気記録方法
US5208792A (en) * 1987-05-29 1993-05-04 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus using opto-magneto media
JP3004018B2 (ja) * 1987-12-15 2000-01-31 株式会社東芝 信号記録装置
GB8906353D0 (en) * 1989-03-20 1989-05-04 Dewar Productions Inc Semi-timing optic lathe
JPH0341671A (ja) * 1989-07-10 1991-02-22 Pioneer Electron Corp トラック構造を有する情報記録媒体の情報読取装置
JP2760882B2 (ja) * 1990-05-09 1998-06-04 株式会社日立製作所 マルチビーム光デイスク装置及び記録再生方法
JP2959812B2 (ja) * 1990-07-10 1999-10-06 松下電器産業株式会社 両面記録再生装置及び記録媒体

Also Published As

Publication number Publication date
DE69322730T2 (de) 1999-06-02
EP0593232A2 (de) 1994-04-20
EP0593232A3 (de) 1994-10-12
JPH06124452A (ja) 1994-05-06
US5485438A (en) 1996-01-16
EP0593232B1 (de) 1998-12-23
JP3183364B2 (ja) 2001-07-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee