DE69521767D1 - Antrieb für optische Platte unter Verwendung von Impulsbreitenmodulationsaufzeichnung, mit Laserimpulsvorwärmung zwischen Markierungen - Google Patents

Antrieb für optische Platte unter Verwendung von Impulsbreitenmodulationsaufzeichnung, mit Laserimpulsvorwärmung zwischen Markierungen

Info

Publication number
DE69521767D1
DE69521767D1 DE69521767T DE69521767T DE69521767D1 DE 69521767 D1 DE69521767 D1 DE 69521767D1 DE 69521767 T DE69521767 T DE 69521767T DE 69521767 T DE69521767 T DE 69521767T DE 69521767 D1 DE69521767 D1 DE 69521767D1
Authority
DE
Germany
Prior art keywords
marks
optical disk
disk drive
width modulation
preheating
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
DE69521767T
Other languages
English (en)
Other versions
DE69521767T2 (de
Inventor
Helden, Jr
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.)
Mitsubishi Electric Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69521767D1 publication Critical patent/DE69521767D1/de
Publication of DE69521767T2 publication Critical patent/DE69521767T2/de
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
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators
    • 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
    • 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
    • G11B11/1053—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 to compensate for the magnetic domain drift or time shift
    • 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
    • G11B11/10595—Control of operating function
    • 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
    • G11B7/0045—Recording
    • 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
    • G11B7/0045—Recording
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • G11B11/10504—Recording
    • G11B11/1051—Recording by modulating both the magnetic field and the light beam at the transducers
    • G11B11/10513—Recording by modulating both the magnetic field and the light beam at the transducers one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator
    • 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
    • G11B11/10517—Overwriting or erasing
    • G11B11/10519—Direct overwriting, i.e. performing erasing and recording using the same transducing means
    • G11B11/10521—Direct overwriting, i.e. performing erasing and recording using the same transducing means using a single light spot
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69521767T 1994-11-18 1995-10-24 Antrieb für optische Platte unter Verwendung von Impulsbreitenmodulationsaufzeichnung, mit Laserimpulsvorwärmung zwischen Markierungen Expired - Lifetime DE69521767T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/342,196 US5561656A (en) 1994-11-18 1994-11-18 Pulse width modulation optical disk drive with pulsed laser preheating between marks

Publications (2)

Publication Number Publication Date
DE69521767D1 true DE69521767D1 (de) 2001-08-23
DE69521767T2 DE69521767T2 (de) 2002-05-23

Family

ID=23340781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521767T Expired - Lifetime DE69521767T2 (de) 1994-11-18 1995-10-24 Antrieb für optische Platte unter Verwendung von Impulsbreitenmodulationsaufzeichnung, mit Laserimpulsvorwärmung zwischen Markierungen

Country Status (6)

Country Link
US (1) US5561656A (de)
EP (1) EP0713213B1 (de)
JP (1) JPH08212555A (de)
KR (1) KR0184628B1 (de)
DE (1) DE69521767T2 (de)
TW (1) TW256911B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19612823C2 (de) * 1995-03-31 2001-03-01 Mitsubishi Chem Corp Optisches Aufzeichnungsverfahren
JPH09293286A (ja) * 1996-02-22 1997-11-11 Sanyo Electric Co Ltd 光磁気記録媒体及び情報記録再生装置
JP3608926B2 (ja) * 1996-12-26 2005-01-12 株式会社日立製作所 情報記録装置
US5802031A (en) * 1997-01-28 1998-09-01 International Business Machines Corporation Programmable PPM/PWM writing system for optical disk
ID29227A (id) * 1999-07-15 2001-08-16 Koninkl Philips Electronics Nv Metode-metode dan alat-alat untuk merekam tanda-tanda dalam satu lapisan informasi dari satu pembawa rekaman optik, dan pembawa-pembawa rekaman yang digunakan
EP1117094B1 (de) * 2000-01-17 2012-11-21 Mitsubishi Kagaku Media Co., Ltd. Aufzeichnungsverfahren für ein Phasenänderungsaufzeichnungsmedium
EP1344179A4 (de) * 2000-12-22 2007-04-18 Energy Conversion Devices Inc Verfahren zum aufzeichnen von speicher
CN1823376A (zh) * 2003-07-17 2006-08-23 皇家飞利浦电子股份有限公司 用于校正带符号偏差的记录载体、设备和方法
JP4179994B2 (ja) * 2004-02-05 2008-11-12 Ｔｄｋ株式会社 光記録媒体への情報記録方法及び情報記録装置
JP2009266277A (ja) * 2008-04-23 2009-11-12 Nec Corp 情報記録装置及び記録条件調整方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689899A (en) 1971-06-07 1972-09-05 Ibm Run-length-limited variable-length coding with error propagation limitation
NL8201411A (nl) * 1982-04-02 1983-11-01 Philips Nv Werkwijze voor het optekenen van een digitaal informatiesignaal op een registratiedrager met een stralingsgevoelige informatielaag, een inrichting hiervoor en een optische registratiedrager voorzien van een dergelijk digitaal informatiesignaal.
US4488142A (en) 1981-12-31 1984-12-11 International Business Machines Corporation Apparatus for encoding unconstrained data onto a (1,7) format with rate 2/3
US4488277A (en) * 1982-02-10 1984-12-11 North American Philips Corporation Control system for an optical data recording apparatus
JP2810035B2 (ja) * 1986-08-22 1998-10-15 株式会社日立製作所 光学的記録再生方法
NL8602718A (nl) * 1986-10-29 1988-05-16 Philips Nv Werkwijze voor het optekenen van een tweewaardig signaal op een optisch uitleesbare registratiedrager en een inrichting voor het uitvoeren van de werkwijze.
US4873680A (en) * 1987-03-13 1989-10-10 Laserdrive Ltd. Apparatus and method for detecting and compensating for pit extension in an optical disk recording system
US4998237A (en) * 1987-04-28 1991-03-05 Yamaha Corporation Optical disc recording device having improved accuracy of pit formation
US5289453A (en) * 1990-03-14 1994-02-22 Matsushita Electric Industrial Co., Ltd. Optical information recording method
JP2915098B2 (ja) * 1990-06-29 1999-07-05 株式会社日立製作所 ディジタル信号記録再生装置
JPH0573981A (ja) * 1991-09-13 1993-03-26 Nikon Corp パワーマージンが拡大されたオーバーライト可能な光磁気記録方法及びそれに使用される光磁気記録装置
JPH0684224A (ja) * 1992-09-07 1994-03-25 Hitachi Ltd 光磁気ディスクの記録制御方法
DE69322593T2 (de) * 1992-10-20 1999-06-24 Nikon Corp Verfahren und Vorrichtung zur optischen Aufzeichnung
US5400313A (en) * 1992-11-09 1995-03-21 International Business Machines Corporation Optical data storage system and method with reduced heat buildup
JPH06302042A (ja) * 1993-04-15 1994-10-28 Hitachi Ltd 光磁気ディスク装置

Also Published As

Publication number Publication date
KR0184628B1 (ko) 1999-04-15
EP0713213B1 (de) 2001-07-18
TW256911B (en) 1995-09-11
JPH08212555A (ja) 1996-08-20
DE69521767T2 (de) 2002-05-23
EP0713213A1 (de) 1996-05-22
KR960019142A (ko) 1996-06-17
US5561656A (en) 1996-10-01

Similar Documents

Publication Publication Date Title
DE68919893D1 (de) Optische Kopfanordnungen für Plattenspieler.
HK1110427A1 (en) Optical information recording medium
DE69526262T2 (de) Optisches Aufzeichnungsmedium mit zwei Informationsflächen
MY113691A (en) Optical information recording method and apparatus
DE69521767D1 (de) Antrieb für optische Platte unter Verwendung von Impulsbreitenmodulationsaufzeichnung, mit Laserimpulsvorwärmung zwischen Markierungen
DE69925409D1 (de) Laserdrucker unter Verwendung von mehrfachen Lasergruppen mit mehrfachen Wellenlängen
DE68923777D1 (de) Medium für optische Aufzeichnung.
DE69417987T2 (de) Spindelsteuerungsschaltung für Antrieb für optische Platten
DE69811929D1 (de) Diodengepumpter laser unter verwendung von verstärkungsmedia mit starker thermaler fokussierung
DE68919455T2 (de) Optischer Aufzeichnungsträger und Antriebssystem.
DE69026771D1 (de) Überschreibbare optische Aufzeichnungsmedien
DE3586127D1 (de) Ein organisches makrozyklisches chromophor mit einem filmproduzierenden organischen ersatz enthaltendes medium fuer optische informationsspeicherung.
DE3683362D1 (de) Herstellungsverfahren fuer ein optisches aufzeichnungsmedium.
DE69610529T2 (de) Optisches Aufzeichnungsmedium mit Chinophthalonfarbstoffen
BR9400592A (pt) Portadora de informações óticas para gravação, leitura e apagamento de informações por meio de um feixe de laser
DE58906958D1 (de) Mehrschichtiges Aufzeichnungsmaterial für optische Informationen.
DE602004023242D1 (de) Aufzeichnungsvorrichtung und -Verfahren für optisc Laserstrahlsteurung
DE69018387D1 (de) Optische Einheit für einen Laserdrucker.
DE68918536D1 (de) Optisches Aufzeichnungsmedium.
DE68922056T2 (de) Optisch bistabile Laserdiode und Verfahren zum Steuern derselben.
DE68915832D1 (de) Optisches Aufzeichnungsmedium.
DE69705001T2 (de) Lasersteuerschaltung für Antriebsgerät einer beschreibbaren optischen Platte
DE69227475D1 (de) Optisches Aufzeichnungsmedium und Verfahren unter Verwendung desselben
DE68921308D1 (de) Optisches Aufzeichnungsmedium.
DE60026674D1 (de) Optisches Plattenaufzeichnungs/-wiedergabegerät mit Korrektur der Wellenform eines Laserausgangssignals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUBISHI DENKI K.K., TOKYO, JP

8328 Change in the person/name/address of the agent

Representative=s name: PFENNING MEINIG & PARTNER GBR, 80339 MUENCHEN

R084 Declaration of willingness to licence

Ref document number: 713213

Country of ref document: EP

Effective date: 20110705