JPS58215735A - Optical disc recording method - Google Patents

Optical disc recording method

Info

Publication number
JPS58215735A
JPS58215735A JP9715082A JP9715082A JPS58215735A JP S58215735 A JPS58215735 A JP S58215735A JP 9715082 A JP9715082 A JP 9715082A JP 9715082 A JP9715082 A JP 9715082A JP S58215735 A JPS58215735 A JP S58215735A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
recording
amount
mirror
digital
depth
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.)
Pending
Application number
JP9715082A
Inventor
Hiroshi Ogawa
Masanobu Yamamoto
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

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • G11B7/24088Pits for storing more than two values, i.e. multi-valued recording for data or prepits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1496Digital recording or reproducing using self-clocking codes characterised by the use of more than three levels
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits

Abstract

PURPOSE: To increase the amount of recorded information, by using a recording medium capable of changing the depth of pits depending on the amount of exposure for attaining multi-valued digital recording of ternary or more.
CONSTITUTION: Laser light from a laser generator 1 is condensed on a recording layer 10 of a disc 9 via a mirror 2, an optical modulator 3, a mirror 5, a lens 6, a mirror 7, and an objective lens 8. The depth of pits is changed for the recording layer with the amount of exposure, allowing to record multi-valued digital signals of ternary or more. Thus, the amount of recorded information is increased in comparison with the recording of binary digital signals.
COPYRIGHT: (C)1983,JPO&Japio
JP9715082A 1982-06-07 1982-06-07 Optical disc recording method Pending JPS58215735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9715082A JPS58215735A (en) 1982-06-07 1982-06-07 Optical disc recording method

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP9715082A JPS58215735A (en) 1982-06-07 1982-06-07 Optical disc recording method
CA 429643 CA1212762A (en) 1982-06-07 1983-06-03 Method and apparatus for recording digital signals on an optical disc
DE19833320548 DE3320548C2 (en) 1982-06-07 1983-06-07 Method and apparatus for optically recording information signals on an optically readable disc
NL8302026A NL192753C (en) 1982-06-07 1983-06-07 An optical disc having signal traces which are formed with pits of varying depth.
FR8309440A FR2528215B1 (en) 1982-06-07 1983-06-07 Method and recording apparatus for digital signals on an optical disk
GB8315551A GB2122408B (en) 1982-06-07 1983-06-07 Methods and apparatus for recording digital signals on an optical disc

Publications (1)

Publication Number Publication Date
JPS58215735A true true JPS58215735A (en) 1983-12-15

Family

ID=14184537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9715082A Pending JPS58215735A (en) 1982-06-07 1982-06-07 Optical disc recording method

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)

Cited By (12)

* 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
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
JPS63195835A (en) * 1987-02-09 1988-08-12 Nippon Muki Kk Recording method for information on recording material
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JPH0214427A (en) * 1988-06-30 1990-01-18 Toshiba Corp Information recorder, method for recording information and information reproducing device
US6760299B1 (en) 1999-06-30 2004-07-06 Sharp Kabushiki Kaisha Optical disc having pits of different depth formed therein, optical disc device for reproducing the same, and method of reproduction
US7382715B2 (en) 2003-02-24 2008-06-03 Ricoh Company, Ltd. Optical recording medium having relationship between pit depths, wavelength and refractive index
US7406023B2 (en) 2004-05-31 2008-07-29 Ricoh Company, Ltd. Optical reproduction method, optical pickup device, optical reproduction device, and optical recording medium
US8400898B2 (en) 2009-10-02 2013-03-19 Hitachi Consumer Electronics Co., Ltd. Optical recording and reproducing apparatus
US8659982B2 (en) 2009-12-15 2014-02-25 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and optical information reproducing apparatus
US8730775B2 (en) 2010-03-29 2014-05-20 Hitachi Consumer Electronics Co., Ltd. Optical information reproducing device, optical information recording device, and method for recording optical information

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8330101D0 (en) * 1983-11-11 1983-12-21 Combined Tech Corp Plc Optical data storage
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
DE102007030857A1 (en) * 2007-06-25 2009-01-15 Kickartz, Josef, A., Dipl.-Ing. An apparatus for storing data on a data carrier

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 recording medium having a flat surface, and a recording device for such a medium.
NL7803517A (en) * 1978-04-03 1979-10-05 Philips Nv A record carrier having an optically readable phase structure and apparatus 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, apparatus for manufacturing such a record carrier, apparatus for recording and / or reproducing data or information in such a record carrier.
JPS58137148A (en) * 1982-02-08 1983-08-15 Sony Corp Information recording medium

Cited By (13)

* 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
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
JPS63195835A (en) * 1987-02-09 1988-08-12 Nippon Muki Kk Recording method for information on recording material
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JPH0214427A (en) * 1988-06-30 1990-01-18 Toshiba Corp Information recorder, method for recording information and information reproducing device
US7072251B2 (en) 1999-06-30 2006-07-04 Sharp Kabushiki Kaisha Optical disc having pits of different depth formed therein, optical disc device for reproducing the same, and method of reproduction
US6760299B1 (en) 1999-06-30 2004-07-06 Sharp Kabushiki Kaisha Optical disc having pits of different depth formed therein, optical disc device for reproducing the same, and method of reproduction
US7382715B2 (en) 2003-02-24 2008-06-03 Ricoh Company, Ltd. Optical recording medium having relationship between pit depths, wavelength and refractive index
US7406023B2 (en) 2004-05-31 2008-07-29 Ricoh Company, Ltd. Optical reproduction method, optical pickup device, optical reproduction device, and optical recording medium
US8400898B2 (en) 2009-10-02 2013-03-19 Hitachi Consumer Electronics Co., Ltd. Optical recording and reproducing apparatus
US8659982B2 (en) 2009-12-15 2014-02-25 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and optical information reproducing apparatus
US8730775B2 (en) 2010-03-29 2014-05-20 Hitachi Consumer Electronics Co., Ltd. Optical information reproducing device, optical information recording device, and method for recording optical information

Also Published As

Publication number Publication date Type
CA1212762A1 (en) grant
NL8302026A (en) 1984-01-02 application
NL192753B (en) 1997-09-01 application
FR2528215B1 (en) 1987-03-06 grant
GB2122408B (en) 1986-01-02 grant
NL192753C (en) 1998-01-06 grant
DE3320548A1 (en) 1983-12-08 application
GB2122408A (en) 1984-01-11 application
DE3320548C2 (en) 1994-03-17 grant
FR2528215A1 (en) 1983-12-09 application
GB8315551D0 (en) 1983-07-13 grant
CA1212762A (en) 1986-10-14 grant

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