DE60106320D1 - Servosteuergerät für optischen Plattenspieler - Google Patents

Servosteuergerät für optischen Plattenspieler

Info

Publication number
DE60106320D1
DE60106320D1 DE2001606320 DE60106320T DE60106320D1 DE 60106320 D1 DE60106320 D1 DE 60106320D1 DE 2001606320 DE2001606320 DE 2001606320 DE 60106320 T DE60106320 T DE 60106320T DE 60106320 D1 DE60106320 D1 DE 60106320D1
Authority
DE
Germany
Prior art keywords
turntables
optical
control unit
servo control
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
DE2001606320
Other languages
English (en)
Other versions
DE60106320T2 (de
Inventor
Kiyoshi Tateishi
Masaki Kobayashi
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 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 Corp filed Critical Pioneer Corp
Publication of DE60106320D1 publication Critical patent/DE60106320D1/de
Application granted granted Critical
Publication of DE60106320T2 publication Critical patent/DE60106320T2/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
    • G11B7/09—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
    • G11B7/0948—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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
DE60106320T 2000-04-24 2001-04-20 Servosteuergerät für optischen Plattenspieler Expired - Fee Related DE60106320T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000122468A JP2001307347A (ja) 2000-04-24 2000-04-24 光学式ディスクプレーヤのサーボ制御装置及びその方法
JP2000122468 2000-04-24

Publications (2)

Publication Number Publication Date
DE60106320D1 true DE60106320D1 (de) 2004-11-18
DE60106320T2 DE60106320T2 (de) 2006-02-23

Family

ID=18632938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60106320T Expired - Fee Related DE60106320T2 (de) 2000-04-24 2001-04-20 Servosteuergerät für optischen Plattenspieler

Country Status (4)

Country Link
US (1) US6738327B2 (de)
EP (1) EP1152410B1 (de)
JP (1) JP2001307347A (de)
DE (1) DE60106320T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3967870B2 (ja) * 2000-06-23 2007-08-29 パイオニア株式会社 光ディスク駆動装置におけるサーボ制御装置
DE10048920A1 (de) * 2000-10-04 2002-04-11 Bosch Gmbh Robert Verfahren zur Regelung der Nachführung einer Abtastvorrichtung und Laufwerk dafür
US6934227B2 (en) * 2001-09-06 2005-08-23 Matsushita Electric Industrial Co., Ltd. Optical disk device, semiconductor integrated circuit, pickup control method and vibration component detection method
JP3768142B2 (ja) * 2001-10-24 2006-04-19 松下電器産業株式会社 ドロップアウト検出回路及び光ディスク装置
JP4265963B2 (ja) * 2003-05-15 2009-05-20 パイオニア株式会社 ピックアップの記録読取点位置の制御装置
JP2007280571A (ja) * 2006-04-12 2007-10-25 Hitachi Ltd 光ディスク装置及び再生信号処理方法
US7419224B2 (en) * 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
JP2012089198A (ja) * 2010-10-19 2012-05-10 Sony Corp 記録装置、制御方法
US8737182B1 (en) * 2011-11-08 2014-05-27 Marvell International Ltd. Method and apparatus for measuring eccentricity in rotation of a disc in a disc drive system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940326A (ja) 1982-08-30 1984-03-06 Hitachi Ltd デイスク再生装置
US4587644A (en) 1982-11-11 1986-05-06 Sony Corporation Tracking servocontrol circuits for reducing gain to avoid tracking defect in an optical reproducing apparatus
JPS6089836A (ja) 1983-10-24 1985-05-20 Toshiba Corp デイスクレコ−ド再生装置のトラツキング制御回路
JPS61117737A (ja) 1984-11-13 1986-06-05 Pioneer Electronic Corp フオ−カスサ−ボ装置
US5251194A (en) 1989-04-17 1993-10-05 Mitsubishi Denki Kabushiki Kaisha Techniques for controlling beam position and focus in optical disk drives
JPH04345944A (ja) * 1991-05-24 1992-12-01 Sony Corp データ再生装置

Also Published As

Publication number Publication date
US20020001265A1 (en) 2002-01-03
US6738327B2 (en) 2004-05-18
JP2001307347A (ja) 2001-11-02
EP1152410A2 (de) 2001-11-07
EP1152410B1 (de) 2004-10-13
DE60106320T2 (de) 2006-02-23
EP1152410A3 (de) 2003-09-03

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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