JPH0546621B2 - - Google Patents

Info

Publication number
JPH0546621B2
JPH0546621B2 JP61289549A JP28954986A JPH0546621B2 JP H0546621 B2 JPH0546621 B2 JP H0546621B2 JP 61289549 A JP61289549 A JP 61289549A JP 28954986 A JP28954986 A JP 28954986A JP H0546621 B2 JPH0546621 B2 JP H0546621B2
Authority
JP
Japan
Prior art keywords
tracking error
error signal
track
guide groove
tracking
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
JP61289549A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63142533A (ja
Inventor
Shigeru Arai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP61289549A priority Critical patent/JPS63142533A/ja
Priority to CA000553320A priority patent/CA1294042C/en
Priority to KR1019870013731A priority patent/KR910003459B1/ko
Priority to DE87117909T priority patent/DE3784644T2/de
Priority to US07/128,279 priority patent/US4855983A/en
Priority to ES198787117909T priority patent/ES2039416T3/es
Priority to EP87117909A priority patent/EP0270118B1/en
Publication of JPS63142533A publication Critical patent/JPS63142533A/ja
Publication of JPH0546621B2 publication Critical patent/JPH0546621B2/ja
Granted 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
    • 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
    • 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
    • G11B7/0901—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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP61289549A 1986-12-03 1986-12-03 光学的記録再生装置 Granted JPS63142533A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP61289549A JPS63142533A (ja) 1986-12-03 1986-12-03 光学的記録再生装置
CA000553320A CA1294042C (en) 1986-12-03 1987-12-02 Apparatus for recording and reading an optical disc, having reduced offset in its tracking error signal
KR1019870013731A KR910003459B1 (ko) 1986-12-03 1987-12-02 트래킹 에러 신호중의 오프셋트를 감소시킨 광학 디스크 기록 재생장치
DE87117909T DE3784644T2 (de) 1986-12-03 1987-12-03 Gerät zum Aufzeichnen und Wiedergeben einer optischen Platte mit herabgesetzter Nullpunktsabweichung in ihrem Spurverfolgungsfehlersignal.
US07/128,279 US4855983A (en) 1986-12-03 1987-12-03 Apparatus for recording and reading an optical disk, having reduced offset in its tracking error signal
ES198787117909T ES2039416T3 (es) 1986-12-03 1987-12-03 Aparato para registrar y leer un disco optico, que tiene una desviacion reducida en su senal de error de seguimiento.
EP87117909A EP0270118B1 (en) 1986-12-03 1987-12-03 Apparatus for recording and reading an optical disc, having reduced offset in its tracking error signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61289549A JPS63142533A (ja) 1986-12-03 1986-12-03 光学的記録再生装置

Publications (2)

Publication Number Publication Date
JPS63142533A JPS63142533A (ja) 1988-06-14
JPH0546621B2 true JPH0546621B2 (en]) 1993-07-14

Family

ID=17744681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61289549A Granted JPS63142533A (ja) 1986-12-03 1986-12-03 光学的記録再生装置

Country Status (7)

Country Link
US (1) US4855983A (en])
EP (1) EP0270118B1 (en])
JP (1) JPS63142533A (en])
KR (1) KR910003459B1 (en])
CA (1) CA1294042C (en])
DE (1) DE3784644T2 (en])
ES (1) ES2039416T3 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07196014A (ja) * 1993-10-05 1995-08-01 Standard Etab 付加装置用収容部を持つ自動車用点穴−始動開閉器

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2642672B2 (ja) * 1988-06-29 1997-08-20 富士通株式会社 光ディスク装置
DE3824039A1 (de) * 1988-07-15 1990-01-18 Thomson Brandt Gmbh Verfahren und schaltungsanordnung zur kompensation von offset-spannungen in einem fokus- und/oder spurregelkreis
US5272686A (en) * 1988-11-14 1993-12-21 Ricoh Company, Ltd. Servo signal generator for optical disk driving apparatus
US5218589A (en) * 1989-04-24 1993-06-08 Ricoh Company, Ltd. Defect detecting method
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
US5623467A (en) * 1993-09-27 1997-04-22 Matsushita Electric Industrial Co., Ltd. Data recording apparatus for recording data in sector units
JPH08329492A (ja) * 1995-05-30 1996-12-13 Nippon Conlux Co Ltd 光学的記録媒体に対するトラッキング方法および装置
US5892631A (en) * 1995-09-08 1999-04-06 Seagate Technology, Inc. Method and an arrangement for detecting state transitions in a read signal during a bit cell timing window
JP3846925B2 (ja) * 1995-12-22 2006-11-15 パイオニア株式会社 トラッキングエラー信号の波形制御装置
JPH1049892A (ja) * 1996-08-02 1998-02-20 Pioneer Electron Corp 移動サーボ制御装置
DE19748188A1 (de) * 1997-10-31 1999-05-06 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger
DE69933251T2 (de) * 1998-02-13 2007-05-16 Yamaha Corp., Hamamatsu Aufzeichnungstechnik für optische Platten zur Bildung von genau spurzentrierten Pits und Servoabgleicheinstellungstechnik zur Aufzeichnung auf optischen Platten
TW412738B (en) * 1998-03-09 2000-11-21 Koninkl Philips Electronics Nv Optical read/write apparatus
KR100371592B1 (ko) * 2000-03-09 2003-02-14 주식회사 씨엔에스 광디스크의 트래킹 에러를 검출하기 위한 서보장치
US6452879B1 (en) * 2000-09-29 2002-09-17 Fujitsu Limited Optical storage apparatus
CN1288648C (zh) * 2001-09-06 2006-12-06 皇家飞利浦电子股份有限公司 运行最优功率控制的方法
JP4019280B2 (ja) * 2003-10-30 2007-12-12 ソニー株式会社 光ディスク装置
US8320230B2 (en) * 2007-05-17 2012-11-27 Mediatek Inc. Processing circuits and methods for optical data

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919250A (ja) * 1982-07-21 1984-01-31 Hitachi Ltd 情報の記録再生装置
US4748609A (en) * 1985-03-29 1988-05-31 Hitachi, Ltd. Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset
DE3618720A1 (de) * 1985-06-05 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Verfahren und vorrichtung zur spurnachfuehrung bei bildplatten
US4949331A (en) * 1985-06-19 1990-08-14 Hitachi, Ltd. Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus
DE3687495T2 (de) * 1985-07-30 1993-07-29 Philips Nv Generatorkreis fuer spursignal und aufzeichnungstraeger dafuer.
JPS6278732A (ja) * 1985-10-01 1987-04-11 Olympus Optical Co Ltd 光学的情報記録再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07196014A (ja) * 1993-10-05 1995-08-01 Standard Etab 付加装置用収容部を持つ自動車用点穴−始動開閉器

Also Published As

Publication number Publication date
JPS63142533A (ja) 1988-06-14
EP0270118A3 (en) 1989-11-29
ES2039416T3 (es) 1993-10-01
CA1294042C (en) 1992-01-07
DE3784644D1 (de) 1993-04-15
KR880008254A (ko) 1988-08-30
EP0270118B1 (en) 1993-03-10
US4855983A (en) 1989-08-08
EP0270118A2 (en) 1988-06-08
DE3784644T2 (de) 1993-10-07
KR910003459B1 (ko) 1991-05-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees