FR2505074B1 - Dispositif a disque d'enregistrement de donnees - Google Patents

Dispositif a disque d'enregistrement de donnees

Info

Publication number
FR2505074B1
FR2505074B1 FR8207593A FR8207593A FR2505074B1 FR 2505074 B1 FR2505074 B1 FR 2505074B1 FR 8207593 A FR8207593 A FR 8207593A FR 8207593 A FR8207593 A FR 8207593A FR 2505074 B1 FR2505074 B1 FR 2505074B1
Authority
FR
France
Prior art keywords
data recording
disc device
recording disc
data
recording
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 - Lifetime
Application number
FR8207593A
Other languages
English (en)
Other versions
FR2505074A1 (fr
Inventor
Atsushi Ishihara
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 FR2505074A1 publication Critical patent/FR2505074A1/fr
Application granted granted Critical
Publication of FR2505074B1 publication Critical patent/FR2505074B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • 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
    • 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
FR8207593A 1981-05-01 1982-04-30 Dispositif a disque d'enregistrement de donnees Expired - Lifetime FR2505074B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56066472A JPS57181482A (en) 1981-05-01 1981-05-01 Disc device

Publications (2)

Publication Number Publication Date
FR2505074A1 FR2505074A1 (fr) 1982-11-05
FR2505074B1 true FR2505074B1 (fr) 1990-06-15

Family

ID=13316754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8207593A Expired - Lifetime FR2505074B1 (fr) 1981-05-01 1982-04-30 Dispositif a disque d'enregistrement de donnees

Country Status (3)

Country Link
US (1) US4513406A (fr)
JP (1) JPS57181482A (fr)
FR (1) FR2505074B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104589A (nl) * 1981-10-08 1983-05-02 Philips Nv Optische aftasteenheid.
JPS5940378A (ja) * 1982-08-31 1984-03-06 Toshiba Corp デイスク装置
JPS59121559A (ja) * 1982-12-28 1984-07-13 Canon Inc 情報記録再生方式
NL8300133A (nl) * 1983-01-14 1984-08-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie.
JPS59193553A (ja) * 1983-04-19 1984-11-02 Nec Corp 光デイスクシステムにおけるトラツクアクセス装置
JPS59207470A (ja) * 1983-05-12 1984-11-24 Olympus Optical Co Ltd ヘツド送り制御装置
JPS6070563A (ja) * 1983-09-27 1985-04-22 Toshiba Corp 高密度螺旋描画装置
US4788421A (en) * 1985-05-15 1988-11-29 Mitsubishi Denki Kabushiki Kaisha Apparatus for controlling relative movement of an optical head to an optical disk with velocity detection
JP2574747B2 (ja) * 1985-11-20 1997-01-22 株式会社日立製作所 光磁気記録装置
NL8701448A (nl) * 1987-06-22 1989-01-16 Philips Nv Werkwijze en inrichting voor het met een stralingsbundel aftasten van een roterende registratiedrager.
US5003524A (en) * 1987-12-26 1991-03-26 Kabushiki Kaisha Toshiba Optical disk drive with an accurately positioned objective lens
JPH01173325A (ja) * 1987-12-26 1989-07-10 Toshiba Corp 情報処理装置
JPH01173324A (ja) * 1987-12-28 1989-07-10 Toshiba Corp 情報処理装置
EP0420696B1 (fr) * 1989-09-29 1995-11-29 Fujitsu Limited Circuit de suivi de piste pour unité de disque optique
US5285432A (en) * 1989-10-31 1994-02-08 Kabushiki Kaisha Toshiba Track jump control circuit
CA2138301C (fr) * 1994-01-21 1998-12-15 Hal Hjalmar Ottesen Appareil et methode de stockage de donnees multimedia
EP1130710A3 (fr) * 2000-01-20 2003-09-17 Cyoptics (Israel) Ltd. Générateur d'impulsions optiques à taux de répétition élevée

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391255A (en) * 1962-05-16 1968-07-02 Minnesota Mining & Mfg Transducing system
US3721882A (en) * 1971-06-25 1973-03-20 Sperry Rand Corp Positioning system
US3696354A (en) * 1971-11-19 1972-10-03 Gaston Albert Palombo Position control system
US3811091A (en) * 1972-08-24 1974-05-14 Itel Corp Electronic tachometer
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
GB1577133A (en) * 1976-03-19 1980-10-22 Rca Corp Video information record and playback apparatus
US4135217A (en) * 1976-11-02 1979-01-16 Xerox Corporation Utilization of stored run-out information in a track following servo system
US4096579A (en) * 1977-02-28 1978-06-20 Xerox Corporation Velocity control apparatus for disk drive
US4160270A (en) * 1977-09-22 1979-07-03 Rca Corporation Tracking servo system for video disc player/recorder
JPS54119216A (en) * 1978-03-08 1979-09-17 Victor Co Of Japan Ltd Information signal recorder-reproducer
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
US4388713A (en) * 1979-12-27 1983-06-14 Victor Company Of Japan, Ltd. Rotation control system in a rotary recording medium reproducing apparatus
JPS615624Y2 (fr) * 1980-09-30 1986-02-20
US4381526A (en) * 1980-11-10 1983-04-26 Memorex Corporation Velocity control system for a data storage apparatus
JPS5787371U (fr) * 1980-11-17 1982-05-29

Also Published As

Publication number Publication date
FR2505074A1 (fr) 1982-11-05
US4513406A (en) 1985-04-23
JPS57181482A (en) 1982-11-08

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Legal Events

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