DE60129063D1 - Wiedergabegerät für optische Platte - Google Patents

Wiedergabegerät für optische Platte

Info

Publication number
DE60129063D1
DE60129063D1 DE60129063T DE60129063T DE60129063D1 DE 60129063 D1 DE60129063 D1 DE 60129063D1 DE 60129063 T DE60129063 T DE 60129063T DE 60129063 T DE60129063 T DE 60129063T DE 60129063 D1 DE60129063 D1 DE 60129063D1
Authority
DE
Germany
Prior art keywords
optical disc
disc player
player
optical
disc
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
DE60129063T
Other languages
English (en)
Other versions
DE60129063T2 (de
Inventor
Junsaku Nakajima
Hitoshi Takeuchi
Masaru Nomura
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
Priority claimed from JP2000059877A external-priority patent/JP3561204B2/ja
Priority claimed from JP2000077694A external-priority patent/JP3655797B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE60129063D1 publication Critical patent/DE60129063D1/de
Publication of DE60129063T2 publication Critical patent/DE60129063T2/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
    • 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
    • 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
    • G11B7/08—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
    • G11B7/0901—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
    • G11B7/0906—Differential phase difference systems
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
DE60129063T 2000-03-06 2001-03-06 Wiedergabegerät für optische Platte Expired - Lifetime DE60129063T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000059877 2000-03-06
JP2000059877A JP3561204B2 (ja) 2000-03-06 2000-03-06 光ディスク装置
JP2000077694 2000-03-21
JP2000077694A JP3655797B2 (ja) 2000-03-21 2000-03-21 光記録媒体のトラッキング方法

Publications (2)

Publication Number Publication Date
DE60129063D1 true DE60129063D1 (de) 2007-08-09
DE60129063T2 DE60129063T2 (de) 2008-02-28

Family

ID=26586802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60129063T Expired - Lifetime DE60129063T2 (de) 2000-03-06 2001-03-06 Wiedergabegerät für optische Platte

Country Status (4)

Country Link
US (1) US7113460B2 (de)
EP (1) EP1132900B1 (de)
KR (1) KR100425659B1 (de)
DE (1) DE60129063T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040024007A (ko) * 2002-09-12 2004-03-20 엘지전자 주식회사 고밀도 광디스크와 그에 따른 재생/기록 방법 및 장치
US7289399B2 (en) * 2003-04-02 2007-10-30 Matsushita Electric Industrial Co., Ltd. Tracking error detection apparatus including reduction in false tracking error detection during phase error detection
WO2005109424A1 (en) * 2004-05-12 2005-11-17 Koninklijke Philips Electronics N.V. Improved servo system, record carrier and playback device
WO2006006089A1 (en) * 2004-07-07 2006-01-19 Koninklijke Philips Electronics N.V. Drive comprising means for determining the tracking polarity of a record carrier
US8320230B2 (en) * 2007-05-17 2012-11-27 Mediatek Inc. Processing circuits and methods for optical data
US11798589B2 (en) * 2011-06-09 2023-10-24 Case Western Reserve University Optical storage medium
CA3132989A1 (en) * 2019-03-12 2020-09-17 Case Western Reserve University Optical information storage medium

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150145A (ja) * 1982-03-03 1983-09-06 Toshiba Corp 光学式デジタルデイスクプレ−ヤのトラツキング制御回路
JP3042136B2 (ja) 1992-01-27 2000-05-15 ソニー株式会社 光記録媒体の再生方法
JPH0721588A (ja) 1993-06-30 1995-01-24 Sony Corp 光記録媒体及び光記録媒体の再生装置
US5508995A (en) 1993-07-15 1996-04-16 Matsushita Electric Industrial Co., Ltd. Optical disk capable of recording information on both groove and land tracks
KR100381116B1 (ko) 1994-04-18 2003-07-22 마쯔시다덴기산교 가부시키가이샤 광기록매체정보의불법복사또는불법설치방지방법및장치
US5453969A (en) 1994-05-04 1995-09-26 California Institute Of Technology Optical memory with pit depth encoding
JP3455298B2 (ja) * 1994-08-12 2003-10-14 松下電器産業株式会社 光ビームの移動検出方法および光ディスク再生装置
US5946287A (en) 1995-12-28 1999-08-31 Sony Corporation Optical disk having pits with push-pull signal of opposite polarity to that of guide grooves
US5854779A (en) 1996-01-05 1998-12-29 Calimetrics Optical disc reader for reading multiple levels of pits on an optical disc
JP3065529B2 (ja) 1996-03-12 2000-07-17 株式会社リコー 光情報記録媒体および光情報記録媒体のトラッキングサーボ方法
WO1997035304A1 (en) * 1996-03-22 1997-09-25 Calimetrics, Inc. Apparatus and methods for forming and use with variable pit depth optical recording media
JP3831063B2 (ja) * 1997-04-25 2006-10-11 パイオニア株式会社 光ディスク判別装置
US6343062B1 (en) * 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals
KR100265237B1 (ko) * 1997-10-24 2000-09-15 윤종용 쉘로우／딥－그루브 방식 광디스크의 트래킹 방법 및 그 장치
JP3544847B2 (ja) * 1998-01-16 2004-07-21 三菱電機株式会社 光学的情報再生方法および装置
KR100260549B1 (ko) * 1998-04-13 2000-07-01 윤종용 광 디스크 재생장치의 리드채널회로
KR100497346B1 (ko) * 1998-06-25 2005-09-09 삼성전자주식회사 트래킹 오차 신호 발생장치
JP2000099952A (ja) * 1998-09-17 2000-04-07 Nec Corp 光ディスク及び光ディスク装置
JP3488124B2 (ja) * 1999-03-17 2004-01-19 富士通株式会社 光情報記憶媒体
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
KR100644581B1 (ko) * 1999-10-30 2006-11-13 삼성전자주식회사 트랙킹 에러신호 검출장치 및 재생신호 검출장치
JP3600105B2 (ja) 1999-12-22 2004-12-08 シャープ株式会社 光記録媒体、及びそのトラッキング方法、並びにそれを記録再生する装置

Also Published As

Publication number Publication date
EP1132900A3 (de) 2004-01-07
DE60129063T2 (de) 2008-02-28
KR100425659B1 (ko) 2004-04-03
EP1132900A2 (de) 2001-09-12
US7113460B2 (en) 2006-09-26
US20010036134A1 (en) 2001-11-01
KR20010087333A (ko) 2001-09-15
EP1132900B1 (de) 2007-06-27

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Legal Events

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