DE69228398T2 - Optischer Plattenspieler mit digitalem Servo-Kreis - Google Patents

Optischer Plattenspieler mit digitalem Servo-Kreis

Info

Publication number
DE69228398T2
DE69228398T2 DE69228398T DE69228398T DE69228398T2 DE 69228398 T2 DE69228398 T2 DE 69228398T2 DE 69228398 T DE69228398 T DE 69228398T DE 69228398 T DE69228398 T DE 69228398T DE 69228398 T2 DE69228398 T2 DE 69228398T2
Authority
DE
Germany
Prior art keywords
servo circuit
digital servo
optical turntable
turntable
optical
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
DE69228398T
Other languages
English (en)
Other versions
DE69228398D1 (de
Inventor
Takeshi Sasaki
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
Priority claimed from JP3319960A external-priority patent/JPH05128552A/ja
Priority claimed from JP32139391A external-priority patent/JP3159326B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69228398D1 publication Critical patent/DE69228398D1/de
Publication of DE69228398T2 publication Critical patent/DE69228398T2/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
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • 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
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
DE69228398T 1991-11-06 1992-11-06 Optischer Plattenspieler mit digitalem Servo-Kreis Expired - Fee Related DE69228398T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3319960A JPH05128552A (ja) 1991-11-06 1991-11-06 光デイスクプレーヤのトラツキングサーボ回路
JP32139391A JP3159326B2 (ja) 1991-11-08 1991-11-08 光ディスクプレーヤのディジタルサーボ回路

Publications (2)

Publication Number Publication Date
DE69228398D1 DE69228398D1 (de) 1999-03-18
DE69228398T2 true DE69228398T2 (de) 1999-06-24

Family

ID=26569895

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69224374T Expired - Fee Related DE69224374T2 (de) 1991-11-06 1992-11-06 Optischer Plattenspieler mit digitalem Servo-Kreis
DE69228398T Expired - Fee Related DE69228398T2 (de) 1991-11-06 1992-11-06 Optischer Plattenspieler mit digitalem Servo-Kreis

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69224374T Expired - Fee Related DE69224374T2 (de) 1991-11-06 1992-11-06 Optischer Plattenspieler mit digitalem Servo-Kreis

Country Status (4)

Country Link
US (2) US5623465A (de)
EP (2) EP0566778B1 (de)
KR (1) KR100272118B1 (de)
DE (2) DE69224374T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970071525A (ko) * 1996-04-30 1997-11-07 배순훈 디지탈 포커스 제어 장치 및 방법
ID19364A (id) * 1996-09-25 1998-07-02 Thomson Brandt Gmbh Mereproduksi atau alat perekaman untuk mereproduksi, atau perekam, suatu medium perekam optikal
KR100238070B1 (ko) * 1996-11-28 2000-01-15 윤종용 광디스크시스템의 트랙횡단신호발생장치
JPH10172161A (ja) * 1996-12-06 1998-06-26 Alps Electric Co Ltd 記録再生装置
SG92617A1 (en) * 1997-09-30 2002-11-19 Thomson Brandt Gmbh Device for reading from and/or writing to optical recording media
DE19746990A1 (de) * 1997-09-30 1999-04-01 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
US6393430B1 (en) 1998-05-08 2002-05-21 Sony Corporation Method and system for automatically recording music data files by using the hard drive of a personal computer as an intermediate storage medium
JP3645711B2 (ja) * 1998-05-27 2005-05-11 松下電器産業株式会社 光ディスク装置および光ディスク制御方法
JP3549047B2 (ja) * 2000-06-08 2004-08-04 シャープ株式会社 光ピックアップ装置及びその収差補正方法並びに収差検出装置
DE10048920A1 (de) * 2000-10-04 2002-04-11 Bosch Gmbh Robert Verfahren zur Regelung der Nachführung einer Abtastvorrichtung und Laufwerk dafür
JP2002150576A (ja) * 2000-11-14 2002-05-24 Sony Corp 再生装置および方法、並びに記録媒体
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6862088B2 (en) * 2001-12-07 2005-03-01 Zoran Corporation Method and apparatus for providing adaptive control of track servo
US7054240B2 (en) * 2002-03-04 2006-05-30 Zoran Corporation Method and apparatus for providing focus control on a multi layer disc
KR100434498B1 (ko) * 2002-03-06 2004-06-05 삼성전자주식회사 모드 전환 설정구간에서 디스크 구동기의 동작 안정화장치 및 방법
JP2007505430A (ja) * 2003-09-08 2007-03-08 コニンクリユケ フィリップス エレクトロニクス エヌ．ブイ． ディスク駆動装置
US7298674B2 (en) * 2003-11-17 2007-11-20 Via Technologies, Inc. Method and device for adjusting a control parameter of a servo of an optical drive
TWI261226B (en) * 2004-01-20 2006-09-01 Via Tech Inc Apparatus and method of dynamic adjusting the detection window
JP2005276289A (ja) * 2004-03-24 2005-10-06 Sanyo Electric Co Ltd スライスレベル制御回路
TWI261240B (en) 2004-08-17 2006-09-01 Via Tech Inc Method for determining data storage quality of optical disc
CN100397502C (zh) * 2004-11-29 2008-06-25 华硕电脑股份有限公司 光碟机读取装置及其控制方法
KR100675913B1 (ko) * 2005-02-14 2007-01-29 이상대 경보기 또는 무선호출장치와 저장백을 구비하는 액체차단장치 및 액체차단 모니터링 장치
WO2007040233A1 (ja) * 2005-10-03 2007-04-12 Matsushita Electric Industrial Co., Ltd. 光ディスク装置
JP4708305B2 (ja) * 2005-12-22 2011-06-22 ルネサスエレクトロニクス株式会社 光ディスク駆動制御回路
US7684291B2 (en) 2006-06-05 2010-03-23 Mediatek Inc. Method and apparatus for blank detection of an optical disc
US20080049036A1 (en) * 2006-08-24 2008-02-28 Mediatek Inc. Multimedia Playback System, FIFO Memory System, and Method for Storing Multimedia Data
JP2013030248A (ja) * 2011-07-28 2013-02-07 Sony Corp サーボ制御装置および光ディスク装置
US9294139B1 (en) * 2014-11-13 2016-03-22 Molecular Devices, Llc System and methods for constructing a noise replica

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247858B1 (de) * 1973-09-27 1976-06-18 Ibm France
US4203008A (en) * 1979-02-26 1980-05-13 Northern Telecom Limited Digital signalling receiver for receiving PCM tones
JPS574629A (en) * 1980-05-21 1982-01-11 Sony Corp Data transmitting method capable of correction of error
JPS5710558A (en) * 1980-06-20 1982-01-20 Sony Corp Error correcting method
CA1196106A (en) * 1982-04-28 1985-10-29 Tsuneo Furuya Method and apparatus for error correction
DE3575646D1 (de) * 1984-03-24 1990-03-01 Philips Nv Verfahren zur informationsuebertragung mit fehlerkorrektur fuer datenworte, ein fehlerkorrektur-dekodierverfahren fuer solche datenworte, eine anordnung zur informationsuebertragung zur verwendung mit dem verfahren, ein geraet fuer informationsdekodierung zur verwendung mit dem verfahren und eine anordnung zur verwendung mit solchem geraet.
US4764860A (en) * 1985-06-26 1988-08-16 Nippon Gakki Seizo Kabushiki Kaisha Servo circuit for an information recording and/or 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
JPS62293522A (ja) * 1986-06-13 1987-12-21 Pioneer Electronic Corp 記録デイスク再生装置
JPH0821214B2 (ja) * 1987-02-27 1996-03-04 パイオニア株式会社 デイスク再生方式
US5070491A (en) * 1987-06-23 1991-12-03 Kabushiki Kaisha Csk Error signal generating circuit
JPH01143025A (ja) * 1987-11-28 1989-06-05 Nec Corp 光ディスク装置のサーボ回路
JPH01189034A (ja) * 1987-12-28 1989-07-28 Csk Corp 光メモリカードのトラッキング装置
JPH0782722B2 (ja) * 1988-09-13 1995-09-06 パイオニア株式会社 トラッキングサーボ装置
JPH0782721B2 (ja) * 1988-10-05 1995-09-06 パイオニア株式会社 ディスクプレーヤのサーボ装置
EP0363195B1 (de) * 1988-10-05 1995-08-02 Pioneer Electronic Corporation Plattenspieler mit Servokreis von variabler Übertragungsfunktion
JPH02247830A (ja) * 1989-03-20 1990-10-03 Pioneer Electron Corp サーボループのループゲイン設定方法
JP2692251B2 (ja) * 1989-03-22 1997-12-17 日本電気株式会社 光ディスク制御装置
JPH0348308A (ja) * 1989-03-28 1991-03-01 Canon Inc デジタルサーボ制御装置
JPH02265025A (ja) * 1989-04-05 1990-10-29 Pioneer Electron Corp サーボループのループゲイン設定方法
EP0395403B1 (de) * 1989-04-28 1996-08-14 Canon Kabushiki Kaisha Optisches Informationsaufnahme-/-wiedergabegerät mit digitaler Servoeinrichtung zum Fokussieren und/oder zur Spurfolge eines optischen Kopfes, basierend auf digitale Information
DE69028954T2 (de) * 1989-07-18 1997-03-06 Canon Kk Optisches Informationsaufzeichnungs- und -wiedergabegerät
JP2926900B2 (ja) * 1990-06-01 1999-07-28 ソニー株式会社 ディスク再生装置

Also Published As

Publication number Publication date
KR100272118B1 (ko) 2000-11-15
EP0566778B1 (de) 1998-02-04
US5682307A (en) 1997-10-28
EP0566778A2 (de) 1993-10-27
EP0739002B1 (de) 1999-02-03
EP0739002A1 (de) 1996-10-23
DE69228398D1 (de) 1999-03-18
DE69224374T2 (de) 1998-05-20
US5623465A (en) 1997-04-22
EP0566778A3 (en) 1993-12-01
KR930010928A (ko) 1993-06-23
DE69224374D1 (de) 1998-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee