GB8315551D0 - Recording digital signals on optical disc - Google Patents

Recording digital signals on optical disc

Info

Publication number
GB8315551D0
GB8315551D0 GB838315551A GB8315551A GB8315551D0 GB 8315551 D0 GB8315551 D0 GB 8315551D0 GB 838315551 A GB838315551 A GB 838315551A GB 8315551 A GB8315551 A GB 8315551A GB 8315551 D0 GB8315551 D0 GB 8315551D0
Authority
GB
United Kingdom
Prior art keywords
optical disc
digital signals
recording digital
recording
signals
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.)
Granted
Application number
GB838315551A
Other versions
GB2122408A (en
GB2122408B (en
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
Publication of GB8315551D0 publication Critical patent/GB8315551D0/en
Publication of GB2122408A publication Critical patent/GB2122408A/en
Application granted granted Critical
Publication of GB2122408B publication Critical patent/GB2122408B/en
Expired 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
    • G11B7/24—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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B20/1496—Digital recording or reproducing using self-clocking codes characterised by the use of more than three levels
    • 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
    • G11B7/24—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
GB08315551A 1982-06-07 1983-06-07 Methods and apparatus for recording digital signals on an optical disc Expired GB2122408B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57097150A JPS58215735A (en) 1982-06-07 1982-06-07 Optical disc recording method

Publications (3)

Publication Number Publication Date
GB8315551D0 true GB8315551D0 (en) 1983-07-13
GB2122408A GB2122408A (en) 1984-01-11
GB2122408B GB2122408B (en) 1986-01-02

Family

ID=14184537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315551A Expired GB2122408B (en) 1982-06-07 1983-06-07 Methods and apparatus for recording digital signals on an optical disc

Country Status (6)

Country Link
JP (1) JPS58215735A (en)
CA (1) CA1212762A (en)
DE (1) DE3320548C2 (en)
FR (1) FR2528215B1 (en)
GB (1) GB2122408B (en)
NL (1) NL192753C (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178628A (en) * 1983-03-30 1984-10-09 Canon Inc Information recording method
GB8330101D0 (en) * 1983-11-11 1983-12-21 Combined Tech Corp Plc Optical data storage
JPS61104333A (en) * 1984-10-22 1986-05-22 Nec Corp Optical recording system
JPS63119045A (en) * 1986-11-06 1988-05-23 Canon Inc Multi-value information recording method
JP2601266B2 (en) * 1987-02-09 1997-04-16 日本無機株式会社 Information recording method of recording material
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JP2642422B2 (en) * 1988-06-30 1997-08-20 株式会社東芝 Information recording / reproducing device
US5408456A (en) * 1990-02-02 1995-04-18 Canon Kabushiki Kaisha Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal
JP2751884B2 (en) * 1995-08-15 1998-05-18 日本電気株式会社 Optical head device
US5854779A (en) * 1996-01-05 1998-12-29 Calimetrics Optical disc reader for reading multiple levels of pits on an optical disc
DE19732065A1 (en) * 1997-07-25 1999-01-28 Harm Drecoll Information storage on a storage medium
DE60042766D1 (en) 1999-06-30 2009-09-24 Sharp Kk An optical disk apparatus for reproducing an optical disk having pits of different depths formed therein
JP2004281027A (en) 2003-02-24 2004-10-07 Ricoh Co Ltd Optical recording medium and optical information processing device
JP4334414B2 (en) 2004-05-31 2009-09-30 株式会社リコー Optical reproducing method, optical pickup device, optical reproducing device, and optical recording medium
DE102007030857A1 (en) * 2007-06-25 2009-01-15 Kickartz, Josef, A., Dipl.-Ing. Device for storing data on a data carrier
JP5256161B2 (en) 2009-10-02 2013-08-07 日立コンシューマエレクトロニクス株式会社 Optical information recording / reproducing apparatus and information reproducing apparatus
JP5309008B2 (en) 2009-12-15 2013-10-09 日立コンシューマエレクトロニクス株式会社 Optical information recording / reproducing apparatus and optical information reproducing apparatus
JP5409479B2 (en) 2010-03-29 2014-02-05 日立コンシューマエレクトロニクス株式会社 Optical information reproducing apparatus, optical information recording apparatus, and information recording method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740733A (en) * 1971-11-01 1973-06-19 Eg & G Inc Storing digital data on a grooved record medium
JPS5182601A (en) * 1975-01-17 1976-07-20 Sony Corp
NL173797C (en) * 1977-02-09 1984-03-01 Victor Company Of Japan INFORMATION SIGNAL RECORD MEDIUM WITH A FLAT SURFACE, AND REGISTRATOR FOR SUCH A MEDIUM.
NL7803517A (en) * 1978-04-03 1979-10-05 Philips Nv RECORD CARRIER WITH AN OPTICALLY READABLE PHASE STRUCTURE AND DEVICE FOR READING.
JPS55113175A (en) * 1979-02-23 1980-09-01 Victor Co Of Japan Ltd Information signal recording medium and its recording system
NL8000122A (en) * 1980-01-09 1981-08-03 Philips Nv DISC-SHAPED, OPTICALLY-READABLE RECORD CARRIER AS A STORAGE MEDIUM FOR DATA INFORMATION, DEVICE FOR MANUFACTURING SUCH REGISTRATION CARRIER, DEVICE FOR RECORDING AND / OR DISPLAYING DATA INFORMATION IN C.Q. OF SUCH REGISTRATION CARRIER.
JPS58137148A (en) * 1982-02-08 1983-08-15 Sony Corp Information recording medium

Also Published As

Publication number Publication date
NL192753C (en) 1998-01-06
FR2528215A1 (en) 1983-12-09
NL192753B (en) 1997-09-01
JPS58215735A (en) 1983-12-15
CA1212762A (en) 1986-10-14
FR2528215B1 (en) 1987-03-06
GB2122408A (en) 1984-01-11
DE3320548A1 (en) 1983-12-08
DE3320548C2 (en) 1994-03-17
GB2122408B (en) 1986-01-02
NL8302026A (en) 1984-01-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980607