CA2031565A1 - Appareil a disque optique - Google Patents

Appareil a disque optique

Info

Publication number
CA2031565A1
CA2031565A1 CA2031565A CA2031565A CA2031565A1 CA 2031565 A1 CA2031565 A1 CA 2031565A1 CA 2031565 A CA2031565 A CA 2031565A CA 2031565 A CA2031565 A CA 2031565A CA 2031565 A1 CA2031565 A1 CA 2031565A1
Authority
CA
Canada
Prior art keywords
servo
optical disc
optical pickup
disc apparatus
control
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.)
Granted
Application number
CA2031565A
Other languages
English (en)
Other versions
CA2031565C (fr
Inventor
Akira Shinada
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of CA2031565A1 publication Critical patent/CA2031565A1/fr
Application granted granted Critical
Publication of CA2031565C publication Critical patent/CA2031565C/fr
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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
CA002031565A 1989-12-07 1990-12-05 Appareil a disque optique Expired - Fee Related CA2031565C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP318479/89 1989-12-07
JP1318479A JPH03181024A (ja) 1989-12-07 1989-12-07 光学式ディスク装置

Publications (2)

Publication Number Publication Date
CA2031565A1 true CA2031565A1 (fr) 1991-06-08
CA2031565C CA2031565C (fr) 1999-07-20

Family

ID=18099572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002031565A Expired - Fee Related CA2031565C (fr) 1989-12-07 1990-12-05 Appareil a disque optique

Country Status (6)

Country Link
US (1) US5202872A (fr)
EP (1) EP0431928B1 (fr)
JP (1) JPH03181024A (fr)
KR (1) KR100225824B1 (fr)
CA (1) CA2031565C (fr)
DE (1) DE69030060T2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452276A (en) * 1991-01-31 1995-09-19 Deutsche Thomson-Brandt/Gmbh Tracking regulation circuit including apparatus for disabling coarse drive signals
KR970006188B1 (ko) * 1992-07-14 1997-04-24 삼성전자 주식회사 광디스크 플레이어의 편심보상회로
DE4241379B4 (de) * 1992-12-09 2006-01-05 Deutsche Thomson-Brandt Gmbh Betriebsmodusumschaltung transportabler Geräte
DE4243234A1 (de) * 1992-12-18 1994-06-23 Thomson Brandt Gmbh Aufzeichnungs und/oder Wiedergabegerät
ES2150292T3 (es) * 1996-12-19 2000-11-16 Siemens Nixdorf Inf Syst Unidad de cd-rom.
JP3045378U (ja) * 1997-07-16 1998-01-27 船井電機株式会社 ディスク読取装置
JPH11317003A (ja) * 1998-05-01 1999-11-16 Toshiba Corp ディスク再生装置とその振動検出方法
CN101189670A (zh) * 2005-06-03 2008-05-28 松下电器产业株式会社 光盘装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074129A (ja) * 1983-09-30 1985-04-26 Sony Corp 光学式デイスクのトラツキングサ−ボ回路
JPS6095733A (ja) * 1983-10-31 1985-05-29 Hitachi Ltd 光学的信号処理装置
JPS61177642A (ja) * 1985-01-31 1986-08-09 Olympus Optical Co Ltd 光学的情報記録再生装置
JPS62152301A (ja) * 1985-12-24 1987-07-07 Mitsubishi Electric Corp 列車監視装置
KR910010185B1 (ko) * 1987-08-11 1991-12-20 후지쓰 가부시끼가이샤 멀티-포지셔너 자기 디스크 저장 장치에 있는 자기 헤드 포지셔너들의 제어 시스템
DE3732899A1 (de) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh Spurregelkreis fuer eine optische abtastvorrichtung

Also Published As

Publication number Publication date
EP0431928A1 (fr) 1991-06-12
CA2031565C (fr) 1999-07-20
KR910013104A (ko) 1991-08-08
JPH03181024A (ja) 1991-08-07
US5202872A (en) 1993-04-13
EP0431928B1 (fr) 1997-03-05
DE69030060T2 (de) 1997-06-19
KR100225824B1 (ko) 1999-10-15
DE69030060D1 (de) 1997-04-10

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed