DE69521670T2 - Abtastung optischer Platten - Google Patents

Abtastung optischer Platten

Info

Publication number
DE69521670T2
DE69521670T2 DE69521670T DE69521670T DE69521670T2 DE 69521670 T2 DE69521670 T2 DE 69521670T2 DE 69521670 T DE69521670 T DE 69521670T DE 69521670 T DE69521670 T DE 69521670T DE 69521670 T2 DE69521670 T2 DE 69521670T2
Authority
DE
Germany
Prior art keywords
optical disk
disk scanning
scanning
optical
disk
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
DE69521670T
Other languages
English (en)
Other versions
DE69521670D1 (de
Inventor
Keiichi Tsutsui
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 DE69521670D1 publication Critical patent/DE69521670D1/de
Publication of DE69521670T2 publication Critical patent/DE69521670T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/12Recording 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 optical means
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/094Methods and circuits for servo offset compensation
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0941Methods and circuits for servo gain or phase compensation during operation
DE69521670T 1994-12-22 1995-12-21 Abtastung optischer Platten Expired - Lifetime DE69521670T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32010494A JP3871358B2 (ja) 1994-12-22 1994-12-22 光ディスク再生装置及び光ディスク再生方法

Publications (2)

Publication Number Publication Date
DE69521670D1 DE69521670D1 (de) 2001-08-16
DE69521670T2 true DE69521670T2 (de) 2002-07-11

Family

ID=18117754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521670T Expired - Lifetime DE69521670T2 (de) 1994-12-22 1995-12-21 Abtastung optischer Platten

Country Status (8)

Country Link
US (2) US5699333A (de)
EP (1) EP0718832B1 (de)
JP (1) JP3871358B2 (de)
KR (1) KR100403878B1 (de)
CN (1) CN1107316C (de)
DE (1) DE69521670T2 (de)
ES (1) ES2158053T3 (de)
MY (1) MY113740A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3871358B2 (ja) * 1994-12-22 2007-01-24 ソニー株式会社 光ディスク再生装置及び光ディスク再生方法
JP3092657B2 (ja) * 1996-07-10 2000-09-25 ティアック株式会社 デ−タ再生方法及び装置
JP3363712B2 (ja) 1996-08-06 2003-01-08 株式会社リコー 光ディスク装置
JPH10269619A (ja) * 1997-03-19 1998-10-09 Victor Co Of Japan Ltd 光ディスク装置
KR19990051851A (ko) * 1997-12-20 1999-07-05 구본준 디스크 재생 장치의 리드 회로
JP3442984B2 (ja) 1997-12-26 2003-09-02 シャープ株式会社 光ピックアップの位置制御装置
JP2002109772A (ja) * 2000-09-29 2002-04-12 Sanyo Electric Co Ltd 光ディスク装置
JP2002230772A (ja) * 2001-01-31 2002-08-16 Sanyo Electric Co Ltd データ記録装置及びデータ記録装制御装置
CN1306514C (zh) * 2001-07-19 2007-03-21 松下电器产业株式会社 再现信号质量的评价方法和信息再现装置
JP2005032339A (ja) * 2003-07-11 2005-02-03 Mitsubishi Electric Corp 光ディスク再生装置
CN1300777C (zh) * 2003-10-17 2007-02-14 上海乐金广电电子有限公司 聚焦错误信号和跟踪错误信号的干涉去除装置和方法
KR100614343B1 (ko) * 2004-08-17 2006-08-21 엘지전자 주식회사 광디스크장치의 스틸 점프방법
KR101091047B1 (ko) 2004-10-04 2011-12-08 엘지전자 주식회사 에러 레이트를 이용한 팬 제어장치 및 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050097A (en) * 1986-05-31 1991-09-17 Kabushiki Kaisha Toshiba Boundary detector and graphic processing system incorporating the same
US5212678A (en) * 1989-11-23 1993-05-18 U.S. Philips Corporation System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information
NL9102190A (nl) * 1991-12-30 1993-07-16 Philips Nv Optische uitleesinrichting, alsmede een optische optekeninrichting.
JP2920034B2 (ja) * 1992-12-28 1999-07-19 株式会社東芝 ディスク再生装置及び信号処理回路
JP3243883B2 (ja) * 1993-04-12 2002-01-07 ソニー株式会社 記録又は再生装置
JP3871358B2 (ja) * 1994-12-22 2007-01-24 ソニー株式会社 光ディスク再生装置及び光ディスク再生方法

Also Published As

Publication number Publication date
ES2158053T3 (es) 2001-09-01
EP0718832B1 (de) 2001-07-11
EP0718832A1 (de) 1996-06-26
US5907527A (en) 1999-05-25
US5699333A (en) 1997-12-16
CN1131797A (zh) 1996-09-25
JP3871358B2 (ja) 2007-01-24
DE69521670D1 (de) 2001-08-16
CN1107316C (zh) 2003-04-30
JPH08180624A (ja) 1996-07-12
MY113740A (en) 2002-05-31
KR100403878B1 (ko) 2004-02-25
KR960025441A (ko) 1996-07-20

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