DE69227680D1 - Datenaufzeichnungsmedium, datenaufzeichnungsgerät, datenwiedergabegerät und datenaufzeichnungs/wiedergabegerät - Google Patents

Datenaufzeichnungsmedium, datenaufzeichnungsgerät, datenwiedergabegerät und datenaufzeichnungs/wiedergabegerät

Info

Publication number
DE69227680D1
DE69227680D1 DE69227680T DE69227680T DE69227680D1 DE 69227680 D1 DE69227680 D1 DE 69227680D1 DE 69227680 T DE69227680 T DE 69227680T DE 69227680 T DE69227680 T DE 69227680T DE 69227680 D1 DE69227680 D1 DE 69227680D1
Authority
DE
Germany
Prior art keywords
data recording
information
pit
data
recording medium
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
DE69227680T
Other languages
English (en)
Other versions
DE69227680T2 (de
Inventor
Seiji Sony Corporati Kobayashi
Hiroshige Sony Corpora Okamura
Hisayuki Sony Corporat Yamatsu
Toshiyuki Sony Corpo 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 DE69227680D1 publication Critical patent/DE69227680D1/de
Publication of DE69227680T2 publication Critical patent/DE69227680T2/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
    • 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)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
DE69227680T 1992-02-14 1992-09-30 Datenaufzeichnungsmedium, datenaufzeichnungsgerät, datenwiedergabegerät und datenaufzeichnungs/wiedergabegerät Expired - Fee Related DE69227680T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5971092 1992-02-14
JP20707492 1992-07-10
PCT/JP1992/001250 WO1993016467A1 (en) 1992-02-14 1992-09-30 Data recording medium, data recording apparatus, data reproducing apparatus and data recording/reproducing apparatus

Publications (2)

Publication Number Publication Date
DE69227680D1 true DE69227680D1 (de) 1999-01-07
DE69227680T2 DE69227680T2 (de) 1999-05-06

Family

ID=26400782

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227680T Expired - Fee Related DE69227680T2 (de) 1992-02-14 1992-09-30 Datenaufzeichnungsmedium, datenaufzeichnungsgerät, datenwiedergabegerät und datenaufzeichnungs/wiedergabegerät

Country Status (10)

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

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Also Published As

Publication number Publication date
AU661720B2 (en) 1995-08-03
US5724330A (en) 1998-03-03
EP0773536A2 (de) 1997-05-14
CA2108359A1 (en) 1993-08-15
EP0580864B1 (de) 1998-11-25
AU2684892A (en) 1993-09-03
US5566158A (en) 1996-10-15
US5809004A (en) 1998-09-15
AU662807B2 (en) 1995-09-14
EP0773536A3 (de) 1997-05-21
CA2108457A1 (en) 1993-08-15
EP0580864A1 (de) 1994-02-02
TW234188B (de) 1994-11-11
WO1993016467A1 (en) 1993-08-19
KR100254509B1 (ko) 2000-05-01
KR100275352B1 (ko) 2001-01-15
AU3574493A (en) 1993-09-03
US5557592A (en) 1996-09-17
DE69227680T2 (de) 1999-05-06
EP0580873A4 (en) 1994-07-13
ES2124743T3 (es) 1999-02-16
ATE173856T1 (de) 1998-12-15
US5615193A (en) 1997-03-25
EP0580873A1 (de) 1994-02-02
EP0580864A4 (de) 1994-10-19
WO1993016468A1 (en) 1993-08-19

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