NL9100408A - Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel. - Google Patents

Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel. Download PDF

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Publication number
NL9100408A
NL9100408A NL9100408A NL9100408A NL9100408A NL 9100408 A NL9100408 A NL 9100408A NL 9100408 A NL9100408 A NL 9100408A NL 9100408 A NL9100408 A NL 9100408A NL 9100408 A NL9100408 A NL 9100408A
Authority
NL
Netherlands
Prior art keywords
information
elementary
signal
patterns
occupied
Prior art date
Application number
NL9100408A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL9100408A priority Critical patent/NL9100408A/nl
Priority to DE69216444T priority patent/DE69216444T2/de
Priority to EP92200607A priority patent/EP0502582B1/de
Priority to US07/845,289 priority patent/US5255263A/en
Priority to JP04050033A priority patent/JP3081347B2/ja
Publication of NL9100408A publication Critical patent/NL9100408A/nl

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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B11/10515—Reproducing
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
NL9100408A 1991-03-07 1991-03-07 Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel. NL9100408A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL9100408A NL9100408A (nl) 1991-03-07 1991-03-07 Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel.
DE69216444T DE69216444T2 (de) 1991-03-07 1992-03-03 Informationsauslesesystem sowie Aufzeichnungsträger und Ausleseanordnung für Anwendung in einem derartigen System
EP92200607A EP0502582B1 (de) 1991-03-07 1992-03-03 Informationsauslesesystem sowie Aufzeichnungsträger und Ausleseanordnung für Anwendung in einem derartigen System
US07/845,289 US5255263A (en) 1991-03-07 1992-03-03 Information reading system and record carrier and reading device for use in such a system
JP04050033A JP3081347B2 (ja) 1991-03-07 1992-03-06 情報読み出しシステム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100408A NL9100408A (nl) 1991-03-07 1991-03-07 Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel.
NL9100408 1991-03-07

Publications (1)

Publication Number Publication Date
NL9100408A true NL9100408A (nl) 1992-10-01

Family

ID=19858985

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9100408A NL9100408A (nl) 1991-03-07 1991-03-07 Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel.

Country Status (5)

Country Link
US (1) US5255263A (de)
EP (1) EP0502582B1 (de)
JP (1) JP3081347B2 (de)
DE (1) DE69216444T2 (de)
NL (1) NL9100408A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3067874B2 (ja) * 1992-01-20 2000-07-24 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3002318B2 (ja) * 1992-01-20 2000-01-24 パイオニア株式会社 光ディスク及び光ディスク再生装置
EP0829854A1 (de) * 1992-02-19 1998-03-18 Sony Corporation Optisches Aufzeichnungsmedium, Aufzeichnungs- und Wiedergabeverfahren und Methode zur Erzeugung eines Spurfolgefehlersignals
US5684783A (en) * 1992-02-19 1997-11-04 Sony Corporation Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium
JP3166322B2 (ja) * 1992-06-15 2001-05-14 ソニー株式会社 再生方法、再生装置
JPH06314447A (ja) * 1993-04-30 1994-11-08 Pioneer Electron Corp 光記録媒体再生装置
JP3224901B2 (ja) * 1993-05-06 2001-11-05 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3267752B2 (ja) * 1993-07-05 2002-03-25 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JPH0721569A (ja) * 1993-07-06 1995-01-24 Pioneer Electron Corp 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3240762B2 (ja) * 1993-07-26 2001-12-25 ソニー株式会社 光記録媒体の再生方法及び再生装置
WO1995007532A1 (fr) * 1993-09-07 1995-03-16 Sony Corporation Disque
CN1106640C (zh) * 1994-08-25 2003-04-23 索尼公司 光盘和光盘驱动装置
US5561655A (en) * 1994-12-02 1996-10-01 Eastman Kodak Company Apparatus and method for differential tracking in a magneto-optic data storage system using mark edge detection
JPH0917029A (ja) * 1995-06-26 1997-01-17 Pioneer Electron Corp 光ディスクとその読取装置および光ディスク製造方法
JP2924841B2 (ja) * 1997-02-27 1999-07-26 日本電気株式会社 光学情報記録装置および光記録媒体および光記録媒体のトラッキング極性の判別方法
WO1999034358A2 (en) * 1997-12-30 1999-07-08 Lou David Y Multidimensional optical recording medium and recording and playback apparatus of the same
DE19936007A1 (de) * 1999-08-04 2001-02-15 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
DE60328270D1 (de) 2002-03-29 2009-08-20 Koninkl Philips Electronics Nv Aufzeichnungsverfahren eines optischen aufzeichnungsmediums
AU2003260842A1 (en) * 2002-10-04 2004-04-23 Koninklijke Philips Electronics N.V. High track density super resolution mo-rom medium
FR2855901B1 (fr) * 2003-06-03 2006-04-07 Thales Sa Lecteur/enregistreur de disque optique multipiste
CN101331543A (zh) * 2005-12-13 2008-12-24 皇家飞利浦电子股份有限公司 通过对角推挽的径向倾斜估计
EP2133875A4 (de) * 2007-03-30 2010-04-07 Pioneer Corp Optischer datenträger

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428069A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Apparatus for preformatting an optical disk
JPS58208944A (ja) * 1982-05-31 1983-12-05 Sony Corp 光学ヘツド制御信号発生装置
JPS59207433A (ja) * 1983-05-12 1984-11-24 Sony Corp 高密度記録再生方式
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置
JPH03219434A (ja) * 1988-12-27 1991-09-26 Canon Inc 光学的情報記録媒体

Also Published As

Publication number Publication date
EP0502582B1 (de) 1997-01-08
DE69216444D1 (de) 1997-02-20
EP0502582A1 (de) 1992-09-09
US5255263A (en) 1993-10-19
DE69216444T2 (de) 1997-07-10
JPH0589470A (ja) 1993-04-09
JP3081347B2 (ja) 2000-08-28

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