DE68909546D1 - Tracking-servoregelsystem. - Google Patents

Tracking-servoregelsystem.

Info

Publication number
DE68909546D1
DE68909546D1 DE89306859T DE68909546T DE68909546D1 DE 68909546 D1 DE68909546 D1 DE 68909546D1 DE 89306859 T DE89306859 T DE 89306859T DE 68909546 T DE68909546 T DE 68909546T DE 68909546 D1 DE68909546 D1 DE 68909546D1
Authority
DE
Germany
Prior art keywords
control system
servo control
tracking servo
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 - Fee Related
Application number
DE89306859T
Other languages
English (en)
Other versions
DE68909546T2 (de
Inventor
Kiyoshi C O Pioneer T Tateishi
Haruyasu C O Pioneer To Sakata
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE68909546D1 publication Critical patent/DE68909546D1/de
Application granted granted Critical
Publication of DE68909546T2 publication Critical patent/DE68909546T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in 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
    • G11B7/0903—Multi-beam tracking systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00—Facsimile and static presentation processing
    • Y10S358/907—Track skippers, i.e. "groove skippers"
DE89306859T 1988-09-13 1989-07-06 Tracking-Servoregelsystem. Expired - Fee Related DE68909546T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63229329A JPH0782722B2 (ja) 1988-09-13 1988-09-13 トラッキングサーボ装置

Publications (2)

Publication Number Publication Date
DE68909546D1 true DE68909546D1 (de) 1993-11-04
DE68909546T2 DE68909546T2 (de) 1994-03-10

Family

ID=16890444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89306859T Expired - Fee Related DE68909546T2 (de) 1988-09-13 1989-07-06 Tracking-Servoregelsystem.

Country Status (4)

Country Link
US (1) US5056074A (de)
EP (1) EP0359368B1 (de)
JP (1) JPH0782722B2 (de)
DE (1) DE68909546T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0453223B1 (de) * 1990-04-17 1997-09-10 Canon Kabushiki Kaisha Automatisches Regelkreisverstärkungsgerät
JPH0460974A (ja) * 1990-06-26 1992-02-26 Pioneer Electron Corp トラッキングサーボ装置
JPH0479035A (ja) * 1990-07-20 1992-03-12 Pioneer Electron Corp トラッキングサーボ装置
JP2539539B2 (ja) * 1990-09-18 1996-10-02 株式会社日立製作所 光情報記憶装置
JPH04368637A (ja) * 1991-06-17 1992-12-21 Sony Corp サーボ回路
KR100272118B1 (ko) * 1991-11-06 2000-11-15 이데이 노부유끼 디지탈 서보 제어 회로를 구비한 광디스크 플레이어 및 트래킹 서보 회로
JPH0652556A (ja) * 1992-07-29 1994-02-25 Mitsumi Electric Co Ltd 光ディスク装置のピックアップ駆動方式
JPH0814868A (ja) * 1994-06-27 1996-01-19 Sony Corp 円盤状記録媒体表面検査装置
WO2000051125A1 (en) 1999-02-22 2000-08-31 Seagate Technology Llc Compensation for repeatable runout error
DE19983952T1 (de) 1999-05-07 2002-06-20 Seagate Technology Llc Kompensation wiederholbaren Auslaufens mit iterativer Lernsteuerung bei einem Plattenspeichersystem
WO2001008139A1 (en) 1999-07-23 2001-02-01 Seagate Technology Llc Repeatable runout compensation using a learning algorithm with scheduled parameters
US6952320B1 (en) 1999-12-16 2005-10-04 Seagate Technology Llc Virtual tracks for repeatable runout compensation
JP2004521441A (ja) * 2001-07-09 2004-07-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 書込制御方法
JP2006092615A (ja) * 2004-09-22 2006-04-06 Sony Corp ディスク駆動装置および方法、記録媒体、並びにプログラム
EP1971980A2 (de) * 2005-09-22 2008-09-24 Koninklijke Philips Electronics N.V. Übersprechungslöschung bei einem dreipunkte-gegentaktspurfehlersignal in optischen plattensystemen
WO2007138539A1 (en) * 2006-06-01 2007-12-06 Koninklijke Philips Electronics N.V. A method for reducing noise in a radial tracking servo
CN112462599B (zh) * 2020-11-30 2022-02-25 东北大学 一种高性能pid控制参数整定方法、装置及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3367134D1 (en) * 1982-05-31 1986-11-27 Hitachi Ltd Servo circuit for a signal reproducing apparatus
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

Also Published As

Publication number Publication date
EP0359368B1 (de) 1993-09-29
US5056074A (en) 1991-10-08
JPH0276175A (ja) 1990-03-15
DE68909546T2 (de) 1994-03-10
EP0359368A1 (de) 1990-03-21
JPH0782722B2 (ja) 1995-09-06

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee