ES2124743T3 - Medio de registro de datos, aparato de registro de datos, aparato de reproduccion de datos y aparato de registro/reproduccion de datos. - Google Patents

Medio de registro de datos, aparato de registro de datos, aparato de reproduccion de datos y aparato de registro/reproduccion de datos.

Info

Publication number
ES2124743T3
ES2124743T3 ES92920899T ES92920899T ES2124743T3 ES 2124743 T3 ES2124743 T3 ES 2124743T3 ES 92920899 T ES92920899 T ES 92920899T ES 92920899 T ES92920899 T ES 92920899T ES 2124743 T3 ES2124743 T3 ES 2124743T3
Authority
ES
Spain
Prior art keywords
data recording
data
reproduction device
reproduction
media
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
ES92920899T
Other languages
English (en)
Inventor
Seiji Kobayashi
Hiroshige Okamura
Hisayuki Yamatsu
Toshiyuki Kashiwagi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ES2124743T3 publication Critical patent/ES2124743T3/es
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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects
    • 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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • 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
    • G11B7/005—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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • 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
    • 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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

DATOS DIGITALES SON REGISTRADOS EN ALTA DENSIDAD. PARA ESTE EXTREMO LAS POSICIONES DE UN EJE ELEVADO Y DE UN EJE CAIDO DE FOSA DE DATOS SE MUEVEN PASO A PASO DESDE UNA POSICION DE REFERENCIA REPRESENTADA POR UN CIERRE DE REFERENCIA DE TAL MANERA COMO PARA CORRESPONDER A LOS DATOS DIGITALES A REGISTRAR.
ES92920899T 1992-02-14 1992-09-30 Medio de registro de datos, aparato de registro de datos, aparato de reproduccion de datos y aparato de registro/reproduccion de datos. Expired - Lifetime ES2124743T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5971092 1992-02-14
JP20707492 1992-07-10

Publications (1)

Publication Number Publication Date
ES2124743T3 true ES2124743T3 (es) 1999-02-16

Family

ID=26400782

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92920899T Expired - Lifetime ES2124743T3 (es) 1992-02-14 1992-09-30 Medio de registro de datos, aparato de registro de datos, aparato de reproduccion de datos y aparato de registro/reproduccion de datos.

Country Status (10)

Country Link
US (5) US5724330A (es)
EP (3) EP0580864B1 (es)
KR (2) KR100254509B1 (es)
AT (1) ATE173856T1 (es)
AU (2) AU661720B2 (es)
CA (2) CA2108457A1 (es)
DE (1) DE69227680T2 (es)
ES (1) ES2124743T3 (es)
TW (1) TW234188B (es)
WO (2) WO1993016467A1 (es)

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AU661720B2 (en) * 1992-02-14 1995-08-03 Sony Corporation Digital data recording medium, method and apparatus
US5818805A (en) * 1992-02-14 1998-10-06 Sony Corporation Reproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge
JP3277585B2 (ja) 1992-02-14 2002-04-22 ソニー株式会社 情報記録媒体、その記録装置および再生装置
JP3147255B2 (ja) 1992-10-13 2001-03-19 ソニー株式会社 データ記録方法、データ記録装置およびデータ記録媒体
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US5798996A (en) * 1994-06-24 1998-08-25 Sony Corporation Method and apparatus for recording digital data by controlling the location of the edge of recording pits through modulation of a laser
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JPH11353652A (ja) * 1998-06-03 1999-12-24 Pioneer Electron Corp 情報記録方法及び情報記録装置並びに記録媒体
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Also Published As

Publication number Publication date
US5615193A (en) 1997-03-25
CA2108359A1 (en) 1993-08-15
ATE173856T1 (de) 1998-12-15
US5566158A (en) 1996-10-15
EP0580873A4 (en) 1994-07-13
EP0580873A1 (en) 1994-02-02
EP0580864A4 (en) 1994-10-19
DE69227680D1 (de) 1999-01-07
AU3574493A (en) 1993-09-03
EP0773536A2 (en) 1997-05-14
KR100275352B1 (ko) 2001-01-15
EP0580864B1 (en) 1998-11-25
US5724330A (en) 1998-03-03
US5809004A (en) 1998-09-15
US5557592A (en) 1996-09-17
AU661720B2 (en) 1995-08-03
EP0580864A1 (en) 1994-02-02
AU2684892A (en) 1993-09-03
DE69227680T2 (de) 1999-05-06
WO1993016467A1 (fr) 1993-08-19
AU662807B2 (en) 1995-09-14
TW234188B (es) 1994-11-11
WO1993016468A1 (fr) 1993-08-19
KR100254509B1 (ko) 2000-05-01
EP0773536A3 (en) 1997-05-21
CA2108457A1 (en) 1993-08-15

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