DE3369762D1 - Optical disc apparatus - Google Patents

Optical disc apparatus

Info

Publication number
DE3369762D1
DE3369762D1 DE8383108335T DE3369762T DE3369762D1 DE 3369762 D1 DE3369762 D1 DE 3369762D1 DE 8383108335 T DE8383108335 T DE 8383108335T DE 3369762 T DE3369762 T DE 3369762T DE 3369762 D1 DE3369762 D1 DE 3369762D1
Authority
DE
Germany
Prior art keywords
optical disc
disc apparatus
optical
disc
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
Application number
DE8383108335T
Other languages
English (en)
Inventor
Katsumi Kimoto
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3369762D1 publication Critical patent/DE3369762D1/de
Expired 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
    • G11B7/085—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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • G11B7/08588—Sled-type positioners with position sensing by means of an auxiliary system using an external scale
    • 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
DE8383108335T 1982-08-31 1983-08-24 Optical disc apparatus Expired DE3369762D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57150955A JPS5940378A (ja) 1982-08-31 1982-08-31 デイスク装置

Publications (1)

Publication Number Publication Date
DE3369762D1 true DE3369762D1 (en) 1987-03-12

Family

ID=15508079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383108335T Expired DE3369762D1 (en) 1982-08-31 1983-08-24 Optical disc apparatus

Country Status (4)

Country Link
US (1) US4695989A (de)
EP (1) EP0102057B1 (de)
JP (1) JPS5940378A (de)
DE (1) DE3369762D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416275A1 (de) * 1984-05-03 1985-11-07 J. Hengstler Kg, 7209 Aldingen Lichtelektrischer impulsgeber
KR940002001B1 (ko) * 1985-03-22 1994-03-12 가부시끼가이샤 히다찌세이사꾸쇼 액세스 방법과 그 정보 검색장치
US4907214A (en) * 1985-12-18 1990-03-06 Kabushiki Kaisha Toshiba Eccentricity correction apparatus for an optical disk device
US4955011A (en) * 1986-04-10 1990-09-04 Canon Kabushiki Kaisha Information recording/reproducing apparatus with control device for maintaining head velocity below a critical velocity
US5184338A (en) * 1987-06-25 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Optical disc system with improved track jumping operation
JPS648563A (en) * 1987-06-30 1989-01-12 Toshiba Corp Track counter
US4785167A (en) * 1987-08-26 1988-11-15 International Business Machines Corporation Photodetector having cascaded photoelements
JPS6467775A (en) * 1987-09-09 1989-03-14 Toshiba Corp Disk device
KR910001974B1 (ko) * 1987-11-30 1991-03-30 주식회사 금성사 콤팩트 디스크 플레이어의 고속 써치 장치
JPH01257213A (ja) * 1988-04-07 1989-10-13 Canon Inc 位置検出装置
US5396477A (en) * 1988-09-21 1995-03-07 Hitachi, Ltd. Light spot positioning method and optical disc memory apparatus employing the same
JPH02240832A (ja) * 1989-03-15 1990-09-25 Yamaha Corp 光ディスク記録装置
JPH05205416A (ja) * 1991-10-18 1993-08-13 Internatl Business Mach Corp <Ibm> 媒体欠陥によるトラッキング・エラー信号異常のマスキング装置および方法
DE19537405A1 (de) * 1995-10-09 1997-04-10 Leybold Ag Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates
WO2012103870A1 (de) 2011-01-31 2012-08-09 Witeg Labortechnik Gmbh Flaschendispenser mit digitaler volumenanzeige
US20140002642A1 (en) 2012-06-15 2014-01-02 Elmar SWIEGOT Absolute position detection

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881184A (en) * 1974-05-28 1975-04-29 Ibm Adaptive digital servo system
JPS52119904A (en) * 1976-04-01 1977-10-07 Nippon Gakki Seizo Kk Arm control device
FR2349191A1 (fr) * 1976-04-23 1977-11-18 Thomson Brandt Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations
GB1552418A (en) * 1976-09-23 1979-09-12 Data Recording Instr Co Data storage apparatus
JPS5373121A (en) * 1976-12-13 1978-06-29 Fujitsu Ltd Cylindrical pulse generating circuit
US4375091A (en) * 1978-06-30 1983-02-22 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
US4321635A (en) * 1979-04-20 1982-03-23 Teac Corporation Apparatus for selective retrieval of information streams or items
JPS5616966A (en) * 1979-07-17 1981-02-18 Fujitsu Ltd Track passing pulse generating circuit
JPS5736482A (ja) * 1980-08-11 1982-02-27 Toshiba Corp Shingopitsukuatsupunoichiseigyosochi
JPS57181436A (en) * 1981-05-01 1982-11-08 Toshiba Corp Optical disc device
JPS57181482A (en) * 1981-05-01 1982-11-08 Toshiba Corp Disc device
US4519056A (en) * 1982-03-15 1985-05-21 Tokyo Shibaura Denki Kabushiki Kaisha Optical disk apparatus

Also Published As

Publication number Publication date
US4695989A (en) 1987-09-22
EP0102057B1 (de) 1987-02-04
JPS5940378A (ja) 1984-03-06
EP0102057A1 (de) 1984-03-07

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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