DE69424022D1 - Optische Scheibe und Verfahren zur Wiedergabe darauf aufgezeichneter Information - Google Patents

Optische Scheibe und Verfahren zur Wiedergabe darauf aufgezeichneter Information

Info

Publication number
DE69424022D1
DE69424022D1 DE69424022T DE69424022T DE69424022D1 DE 69424022 D1 DE69424022 D1 DE 69424022D1 DE 69424022 T DE69424022 T DE 69424022T DE 69424022 T DE69424022 T DE 69424022T DE 69424022 D1 DE69424022 D1 DE 69424022D1
Authority
DE
Germany
Prior art keywords
optical disc
information recorded
reproducing information
reproducing
recorded
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
DE69424022T
Other languages
English (en)
Other versions
DE69424022T2 (de
Inventor
Yoshiteru Murakami
Akira Takahashi
Kenji Ohta
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69424022D1 publication Critical patent/DE69424022D1/de
Publication of DE69424022T2 publication Critical patent/DE69424022T2/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
    • 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
    • G11B11/10515—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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • G11B11/10578—Servo format, e.g. prepits, 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745—Sectoring or header formats within a track
    • 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
DE69424022T 1993-12-01 1994-11-30 Optische Scheibe und Verfahren zur Wiedergabe darauf aufgezeichneter Information Expired - Lifetime DE69424022T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5301500A JP2878574B2 (ja) 1993-12-01 1993-12-01 光ディスク及びその再生方法

Publications (2)

Publication Number Publication Date
DE69424022D1 true DE69424022D1 (de) 2000-05-25
DE69424022T2 DE69424022T2 (de) 2000-09-28

Family

ID=17897666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424022T Expired - Lifetime DE69424022T2 (de) 1993-12-01 1994-11-30 Optische Scheibe und Verfahren zur Wiedergabe darauf aufgezeichneter Information

Country Status (4)

Country Link
US (1) US5499229A (de)
EP (1) EP0656625B1 (de)
JP (1) JP2878574B2 (de)
DE (1) DE69424022T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG46550A1 (en) * 1993-06-08 1998-02-20 Matsushita Electric Ind Co Ltd Optical disk and information recording/ reproduction apparatus
JP3268126B2 (ja) * 1994-07-06 2002-03-25 シャープ株式会社 光記録媒体
US7072287B2 (en) * 1995-02-14 2006-07-04 Hitachi, Ltd. Optical reproducing method for optical medium with aligned prepit portion
JP2788022B2 (ja) * 1995-02-14 1998-08-20 株式会社日立製作所 光記録媒体
US5982738A (en) 1995-02-14 1999-11-09 Hitachi, Ltd. Optical recording medium having at least wobbled synchronous information shared between tracks
JP3492800B2 (ja) * 1995-02-17 2004-02-03 富士通株式会社 光記録装置及び再生レーザパワー設定方法
US5872767A (en) * 1995-02-17 1999-02-16 Matsushita Electric Industrial Co., Ltd. Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks
JP3265527B2 (ja) * 1995-04-27 2002-03-11 株式会社ニコン 情報記録媒体
JPH0917029A (ja) 1995-06-26 1997-01-17 Pioneer Electron Corp 光ディスクとその読取装置および光ディスク製造方法
JP3063596B2 (ja) * 1995-11-24 2000-07-12 三菱電機株式会社 光ディスク装置および光ディスク
US6058099A (en) * 1995-12-29 2000-05-02 Sony Corporation Disc-shaped information recording medium having offset address information data
EP0981130B1 (de) * 1996-04-11 2002-07-10 Matsushita Electric Industrial Co., Ltd. Optische Platte
EP1011097B1 (de) 1996-04-15 2002-01-16 Matsushita Electric Industrial Co., Ltd. Optische Platte und Aufzeichnungs/Wiedergabevorrichtung
JPH09306034A (ja) * 1996-05-20 1997-11-28 Sony Corp 光学式記録媒体
GB2315907A (en) * 1996-07-31 1998-02-11 Samsung Electronics Co Ltd High density compact disc
JP3433651B2 (ja) * 1997-07-28 2003-08-04 三菱化学株式会社 光磁気記録媒体及びその記録再生方法
JP3491191B2 (ja) * 1997-08-19 2004-01-26 富士通株式会社 光磁気記録媒体のチルト補正方法、その実施に使用する装置及び光磁気記録媒体
US6310838B1 (en) * 1997-09-03 2001-10-30 U.S. Philips Corporation Record carrier and apparatus for scanning the record carrier
US6365061B1 (en) * 1999-02-17 2002-04-02 Imation Corp. Multibeam laser servowriting of magnetic data storage media
JP2001209945A (ja) 2000-01-26 2001-08-03 Sharp Corp 光ディスク及び記録再生装置
US7054260B2 (en) * 2000-04-26 2006-05-30 Optical Disc Corporation Hybrid discs
JP2004079078A (ja) * 2002-08-19 2004-03-11 Nec Corp 光記録媒体及びその情報記録方法、記録装置
DE60309147T2 (de) * 2002-10-23 2007-02-01 Matsushita Electric Industrial Co., Ltd., Kadoma Optisches plattenlaufwerk und steuerverfahren für ein solches
TWI261822B (en) * 2003-01-21 2006-09-11 Hitachi Maxell Optical disk and optical disk recording method, optical disk reproduction method, and optical disk driver
JP2005129108A (ja) * 2003-10-22 2005-05-19 Fuji Photo Film Co Ltd 光情報記録媒体

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712204A (en) * 1984-08-31 1987-12-08 Matsushita Electric Industrial Co., Ltd. Optical disk and method for reproducing reference signal therefrom
US5285440A (en) * 1988-03-18 1994-02-08 Matsushita Electric Industrial Co., Ltd. Magneto-optic disk
JPH0343693A (ja) * 1989-07-06 1991-02-25 Toshiba Corp ヒートポンプ式暖房装置
JPH042939A (ja) * 1990-04-20 1992-01-07 Nec Corp 光ディスクヘッド部非点収差検出装置
JP2959588B2 (ja) * 1991-02-14 1999-10-06 ソニー株式会社 光磁気ディスク及びそのセクタ管理情報の記録方法ならびに再生方法
JP2839783B2 (ja) * 1991-04-17 1998-12-16 シャープ株式会社 光磁気記録媒体、再生装置及び再生方法
JP3086077B2 (ja) * 1991-11-19 2000-09-11 パイオニア株式会社 光ディスクとその記録信号再生装置
US5402411A (en) * 1992-03-05 1995-03-28 Fujitsu Limited Constant amplitude of tracking error signals generated from a head guide track and a performed track
JP2868682B2 (ja) * 1992-05-15 1999-03-10 シャープ株式会社 光ディスク
JPH0689473A (ja) * 1992-09-10 1994-03-29 Matsushita Electric Ind Co Ltd 光磁気記録媒体
US5452284A (en) * 1992-09-14 1995-09-19 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information
JP3133509B2 (ja) * 1992-09-29 2001-02-13 パイオニア株式会社 光ディスク及び光ディスク駆動装置

Also Published As

Publication number Publication date
JP2878574B2 (ja) 1999-04-05
EP0656625A1 (de) 1995-06-07
US5499229A (en) 1996-03-12
JPH07153081A (ja) 1995-06-16
DE69424022T2 (de) 2000-09-28
EP0656625B1 (de) 2000-04-19

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