SG87785A1 - Recording apparatus, reproducing apparatus and tracking controlling method for optical disc - Google Patents

Recording apparatus, reproducing apparatus and tracking controlling method for optical disc

Info

Publication number
SG87785A1
SG87785A1 SG9805903A SG1998005903A SG87785A1 SG 87785 A1 SG87785 A1 SG 87785A1 SG 9805903 A SG9805903 A SG 9805903A SG 1998005903 A SG1998005903 A SG 1998005903A SG 87785 A1 SG87785 A1 SG 87785A1
Authority
SG
Singapore
Prior art keywords
optical disc
controlling method
recording apparatus
tracking controlling
reproducing apparatus
Prior art date
Application number
SG9805903A
Other languages
English (en)
Inventor
Ohta Shinji
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 SG87785A1 publication Critical patent/SG87785A1/en

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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—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 discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
SG9805903A 1997-12-26 1998-12-23 Recording apparatus, reproducing apparatus and tracking controlling method for optical disc SG87785A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP36105997A JP3882303B2 (ja) 1997-12-26 1997-12-26 光ディスクの記録及び／又は再生装置並びに光ディスクのトラッキング制御方法

Publications (1)

Publication Number Publication Date
SG87785A1 true SG87785A1 (en) 2002-04-16

Family

ID=18472026

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9805903A SG87785A1 (en) 1997-12-26 1998-12-23 Recording apparatus, reproducing apparatus and tracking controlling method for optical disc

Country Status (3)

Country Link
US (1) US6751171B2 (enExample)
JP (1) JP3882303B2 (enExample)
SG (1) SG87785A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100644591B1 (ko) * 1999-11-25 2006-11-13 삼성전자주식회사 광디스크 기록/재생시스템에 있어서 트랙 크로싱 신호검출장치
US6904007B2 (en) * 2001-01-25 2005-06-07 Dphi Acquisitions, Inc. Digital servo system with loop gain calibration
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6882601B2 (en) * 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
JP3736398B2 (ja) * 2001-08-01 2006-01-18 ティアック株式会社 光ディスク装置
JP4379726B2 (ja) * 2002-08-21 2009-12-09 日本電気株式会社 光学的情報記録方法および光学的情報記録装置
CN1295689C (zh) * 2002-10-25 2007-01-17 联发科技股份有限公司 预置坑洞信号的侦测装置
KR100518540B1 (ko) * 2002-11-12 2005-10-04 삼성전자주식회사 디스크 구동기에서 디스크 타입 식별 장치 및 방법
JP2005235291A (ja) * 2004-02-19 2005-09-02 Pioneer Electronic Corp 情報処理装置、その方法、そのプログラム、および、そのプログラムを記録した記録媒体
KR100555704B1 (ko) * 2004-03-09 2006-03-03 삼성전자주식회사 광 재생장치 및 그의 자동 이득 조정방법
CN1977320A (zh) * 2004-06-28 2007-06-06 皇家飞利浦电子股份有限公司 改善光盘读出鲁棒性的方法
JP2008507069A (ja) * 2004-07-15 2008-03-06 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 光記憶媒体に記憶されているデータを走査する方法及び装置
TW200733092A (en) * 2005-08-16 2007-09-01 Koninkl Philips Electronics Nv An optical drive with constant radial bandwidth
US20100329088A1 (en) * 2008-02-06 2010-12-30 Kinji Kayanuma Device for determining existence of wobble, medium discrimination device, method of determining existence of wobble, and medium discrimination method
US8559282B2 (en) * 2008-03-20 2013-10-15 Mediatek Inc. Average servo control method and system, and target level determination method applied in thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210330A2 (en) * 1985-03-29 1987-02-04 Hitachi, Ltd. Method and apparatus for composite wobbled tracking servo system
US5537373A (en) * 1993-06-25 1996-07-16 Kabushiki Kaisha Kenwood Optical disk recording and reproducing apparatus with data recorded on wobbled grooves and lands

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187413C (nl) * 1978-03-16 1991-09-16 Philips Nv Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager.
DE3690169C2 (enExample) * 1985-04-10 1990-10-04 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka, Jp
US4866688A (en) * 1985-12-20 1989-09-12 Hitachi, Ltd. Composite tracking servo system for optical disc apparatus with track offset correction
EP0453223B1 (en) * 1990-04-17 1997-09-10 Canon Kabushiki Kaisha Automatic loop gain control apparatus
JPH0411325A (ja) * 1990-04-27 1992-01-16 Sony Corp 光ディスク記録装置
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JPH06282849A (ja) * 1993-01-29 1994-10-07 Sony Corp 光記録媒体、光記録媒体の記録再生装置及び再生装置
JPH06232746A (ja) * 1993-02-05 1994-08-19 Sansei Denshi Japan Kk デジタルサーボ回路
DE4323067A1 (de) * 1993-07-10 1995-01-12 Thomson Brandt Gmbh G-Faktor-Abgleich
WO1995031806A1 (en) * 1994-05-17 1995-11-23 Sony Corporation Tracking servo device and track counting device
CN1075222C (zh) * 1995-07-27 2001-11-21 松下电器产业株式会社 光盘装置
JP3550836B2 (ja) * 1995-10-19 2004-08-04 ソニー株式会社 光学装置におけるトラッキングサーボ装置及びトラッキングサーボ方法
US5875157A (en) * 1996-03-18 1999-02-23 Sony Corporation Tracking error detecting circuit in disc-shaped recording medium reproducing and recording apparatus
JPH10134372A (ja) * 1996-10-31 1998-05-22 Sony Corp 再生装置および方法
JPH10293926A (ja) * 1997-02-21 1998-11-04 Pioneer Electron Corp 記録用クロック信号発生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210330A2 (en) * 1985-03-29 1987-02-04 Hitachi, Ltd. Method and apparatus for composite wobbled tracking servo system
US5537373A (en) * 1993-06-25 1996-07-16 Kabushiki Kaisha Kenwood Optical disk recording and reproducing apparatus with data recorded on wobbled grooves and lands
US5615185A (en) * 1993-06-25 1997-03-25 Kabushiki Kaisha Kenwood Optical disk recording and reproducing apparatus with data recorded and reproducing apparatus with data recorded on wobbled grooves and lands

Also Published As

Publication number Publication date
US20020101797A1 (en) 2002-08-01
JPH11195231A (ja) 1999-07-21
US6751171B2 (en) 2004-06-15
JP3882303B2 (ja) 2007-02-14

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