FR2509505B1 - Appareil d'enregistrement optique de donnees sur disque - Google Patents

Appareil d'enregistrement optique de donnees sur disque

Info

Publication number
FR2509505B1
FR2509505B1 FR828211938A FR8211938A FR2509505B1 FR 2509505 B1 FR2509505 B1 FR 2509505B1 FR 828211938 A FR828211938 A FR 828211938A FR 8211938 A FR8211938 A FR 8211938A FR 2509505 B1 FR2509505 B1 FR 2509505B1
Authority
FR
France
Prior art keywords
disc
recording apparatus
data recording
optical data
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
Application number
FR828211938A
Other languages
English (en)
Other versions
FR2509505A1 (fr
Inventor
Akira Nakagawa
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
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of FR2509505A1 publication Critical patent/FR2509505A1/fr
Application granted granted Critical
Publication of FR2509505B1 publication Critical patent/FR2509505B1/fr
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
    • G11B7/09—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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49177—Runout, eccentricity, unbalance of tool or workpiece
FR828211938A 1981-07-07 1982-07-07 Appareil d'enregistrement optique de donnees sur disque Expired FR2509505B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56105935A JPS589226A (ja) 1981-07-07 1981-07-07 光ディスク装置

Publications (2)

Publication Number Publication Date
FR2509505A1 FR2509505A1 (fr) 1983-01-14
FR2509505B1 true FR2509505B1 (fr) 1989-04-21

Family

ID=14420701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828211938A Expired FR2509505B1 (fr) 1981-07-07 1982-07-07 Appareil d'enregistrement optique de donnees sur disque

Country Status (4)

Country Link
US (1) US4527263A (fr)
JP (1) JPS589226A (fr)
FR (1) FR2509505B1 (fr)
NL (1) NL8202665A (fr)

Families Citing this family (27)

* 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
FR2546310B1 (fr) * 1983-05-20 1986-04-25 Thomson Csf Monture reglable pour miroir pivotant et tete optique d'enregistrement-lecture utilisant une telle monture
JPS6066341A (ja) * 1983-09-20 1985-04-16 Olympus Optical Co Ltd 情報記録再生装置
DE3339736C1 (de) * 1983-11-03 1985-06-05 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung
US4755980A (en) * 1985-02-19 1988-07-05 Kabushiki Kaisha Toshiba Optical disk and recording/reproducing device for optical disk
JPS6226644A (ja) * 1985-07-29 1987-02-04 Hitachi Ltd 光学式情報記録再生装置
JPH0746433B2 (ja) * 1985-09-25 1995-05-17 株式会社日立製作所 光学式再生装置のトラツキング制御装置
US4907214A (en) * 1985-12-18 1990-03-06 Kabushiki Kaisha Toshiba Eccentricity correction apparatus for an optical disk device
EP0232134B1 (fr) * 1986-02-07 1994-08-24 Matsushita Electric Industrial Co., Ltd. Disque optique et appareil à disques pour enregistrer ou reproduire des données sur le ou à partir du disque
US5173886A (en) * 1986-02-07 1992-12-22 Matsushita Electric Industrial Co., Ltd. Composite optical disc having both a data read-only area and a data rewritable area, and a recording/reproducing system for use therewith
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
DE3632465A1 (de) * 1986-09-24 1988-03-31 Siemens Ag Verfahren und einrichtung zum aufzeichnen einer kreisrunden spur auf einer datenspeicherplatte
JPS63140429A (ja) * 1986-12-03 1988-06-13 Canon Inc 光学的情報記録再生装置
JPS63239621A (ja) * 1987-03-27 1988-10-05 Sony Corp 診断機能付光デイスク記録・再生装置
NL8702261A (nl) * 1987-09-23 1989-04-17 Philips Nv Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem.
US4839877A (en) * 1987-10-02 1989-06-13 International Business Machines Corporation Rotational position controls for optical disk players using removable disks
JPH01173324A (ja) * 1987-12-28 1989-07-10 Toshiba Corp 情報処理装置
EP0325434B1 (fr) * 1988-01-19 1994-10-12 Fujitsu Limited Système de contrôle d'accès aux pistes
JPH0373476A (ja) * 1989-05-17 1991-03-28 Mitsubishi Electric Corp 記録装置
JP2708244B2 (ja) * 1989-10-12 1998-02-04 富士通株式会社 光ディスク装置
US5138594A (en) * 1990-04-20 1992-08-11 International Business Machines Corporation Reducing amplitude variations of optical disk readback signals and increasing reliability of track-crossing counts
US5220549A (en) * 1991-02-19 1993-06-15 Olympus Optical Co., Ltd. Information recording/reproducing apparatus which includes pickup having memory for storing specific characteristics thereof
EP0644536B1 (fr) * 1993-09-22 1999-06-23 Victor Company Of Japan, Ltd. Système automatique pour corriger l'orientation, destiné à un dispositif de disque optique
JP2003263760A (ja) 2002-03-08 2003-09-19 Toshiba Corp 回転補正回路、半導体集積回路、光ディスク装置及び回転補正方法
DE10215252B4 (de) * 2002-04-06 2005-06-30 Minebea Co., Ltd. Verfahren zur Messung des wiederholbaren und des nicht wiederholbaren Schlages eines rotierenden Bauteils, insbesondere des Rotors eines Spindelmotors, und Vorrichtung zur Durchführung des Verfahrens
TWI270853B (en) * 2004-09-10 2007-01-11 Mediatek Inc Method and device for determining slicing level of track-crossing signal
CN113916090B (zh) * 2021-09-03 2023-12-29 公安部物证鉴定中心 一种机械硬盘盘片偏移量测量装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576426A (en) * 1976-03-19 1980-10-08 Rca Corp Eccentricity compensating system in recording and playbackapparatus
US4205338A (en) * 1977-11-03 1980-05-27 Laser File Inc. Disc recording tracking system
JPS5465504A (en) * 1977-11-04 1979-05-26 Hitachi Ltd Recording-reproducing system of information
JPS5478102A (en) * 1977-12-02 1979-06-22 Nippon Telegr & Teleph Corp <Ntt> Recorder
JPS5486302A (en) * 1977-12-22 1979-07-09 Olympus Optical Co Ltd Optical recorder-reproducer
NL7901721A (nl) * 1979-03-05 1980-09-09 Philips Nv Regelsysteem.
EP0023767B1 (fr) * 1979-07-16 1984-03-07 Discovision Associates Enregistreur-reproducteur vidéo permettant l'enrigstrement sur un disque-ébauche et procédé pour l'enregistrement domestique
JPS5753830A (en) * 1980-09-12 1982-03-31 Sony Corp Tracking servo device for optical information signal reproducer
US4365324A (en) * 1980-11-19 1982-12-21 Rca Corporation Eccentricity control device
JPS5792442A (en) * 1980-11-29 1982-06-09 Toshiba Corp Optical information recorder and reproducer

Also Published As

Publication number Publication date
FR2509505A1 (fr) 1983-01-14
NL8202665A (nl) 1983-02-01
US4527263A (en) 1985-07-02
JPS589226A (ja) 1983-01-19

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse