DE69321321D1 - Spurfolgeservoschaltungen - Google Patents

Spurfolgeservoschaltungen

Info

Publication number
DE69321321D1
DE69321321D1 DE69321321T DE69321321T DE69321321D1 DE 69321321 D1 DE69321321 D1 DE 69321321D1 DE 69321321 T DE69321321 T DE 69321321T DE 69321321 T DE69321321 T DE 69321321T DE 69321321 D1 DE69321321 D1 DE 69321321D1
Authority
DE
Germany
Prior art keywords
tracking servo
servo circuits
circuits
tracking
servo
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
DE69321321T
Other languages
English (en)
Other versions
DE69321321T2 (de
Inventor
Hidenobu Noda
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 DE69321321D1 publication Critical patent/DE69321321D1/de
Application granted granted Critical
Publication of DE69321321T2 publication Critical patent/DE69321321T2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
DE69321321T 1992-11-13 1993-11-10 Spurfolgeservoschaltungen Expired - Lifetime DE69321321T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4328577A JPH06162544A (ja) 1992-11-13 1992-11-13 トラッキングサーボ回路

Publications (2)

Publication Number Publication Date
DE69321321D1 true DE69321321D1 (de) 1998-11-05
DE69321321T2 DE69321321T2 (de) 1999-04-15

Family

ID=18211835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321321T Expired - Lifetime DE69321321T2 (de) 1992-11-13 1993-11-10 Spurfolgeservoschaltungen

Country Status (5)

Country Link
US (1) US5590103A (de)
EP (1) EP0597697B1 (de)
JP (1) JPH06162544A (de)
KR (1) KR100280347B1 (de)
DE (1) DE69321321T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08306054A (ja) * 1995-04-28 1996-11-22 Sony Corp トラッキングサーボ回路
JPH1049892A (ja) * 1996-08-02 1998-02-20 Pioneer Electron Corp 移動サーボ制御装置
JPH1091983A (ja) * 1996-09-12 1998-04-10 Sony Corp 光学式ディスク装置およびトラッキングエラー信号算出回路
US6041028A (en) * 1997-04-11 2000-03-21 Oak Technology, Inc. Dynamic adjustment of disk-drive pickup signals
KR100532372B1 (ko) * 1997-07-28 2006-02-09 삼성전자주식회사 광학 시스템의 오프셋 제거장치 및 그 방법
JP2000251294A (ja) * 1999-03-02 2000-09-14 Clarion Co Ltd トラッキングバランス調整装置及び方法
JP2000339727A (ja) * 1999-05-18 2000-12-08 Lg Electronics Inc 光記録媒体の記録再生方法
ATE418781T1 (de) * 2004-07-14 2009-01-15 Koninkl Philips Electronics Nv Verbessertes kalibrierverfahren für spurfolgefehlersignale und plattenlaufwerk mit derartigem implementiertem verfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0679420B2 (ja) * 1986-06-06 1994-10-05 パイオニア株式会社 トラツキングサ−ボ装置
US5202864A (en) * 1988-04-14 1993-04-13 Matsushita Electric Industrial Co., Ltd. Slip-off preventing tracking control apparatus
JP2646130B2 (ja) * 1989-03-13 1997-08-25 パイオニア株式会社 トラックジャンプ駆動装置
JPH02285526A (ja) * 1989-04-27 1990-11-22 Olympus Optical Co Ltd トラッキングサーボループのオフセット補正装置
JPH0782647B2 (ja) * 1989-11-08 1995-09-06 富士通株式会社 光ディスク装置
US5197058A (en) * 1991-03-05 1993-03-23 Hewlett-Packard Company Electronic offset compensation of the continuous composite track error signal in optical recording

Also Published As

Publication number Publication date
JPH06162544A (ja) 1994-06-10
EP0597697A1 (de) 1994-05-18
KR100280347B1 (ko) 2001-03-02
KR940012289A (ko) 1994-06-23
US5590103A (en) 1996-12-31
DE69321321T2 (de) 1999-04-15
EP0597697B1 (de) 1998-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition