DE69426754D1 - Informationsaufzeichnungs- und -wiedergabegerät mit Prozessor, Informationsaufzeichnungs- und -wiedergabeverfahren - Google Patents

Informationsaufzeichnungs- und -wiedergabegerät mit Prozessor, Informationsaufzeichnungs- und -wiedergabeverfahren

Info

Publication number
DE69426754D1
DE69426754D1 DE69426754T DE69426754T DE69426754D1 DE 69426754 D1 DE69426754 D1 DE 69426754D1 DE 69426754 T DE69426754 T DE 69426754T DE 69426754 T DE69426754 T DE 69426754T DE 69426754 D1 DE69426754 D1 DE 69426754D1
Authority
DE
Germany
Prior art keywords
information recording
reproducing
reproducing apparatus
processor
reproducing method
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
DE69426754T
Other languages
English (en)
Other versions
DE69426754T2 (de
Inventor
Yutaka Ogasawara
Hirotake Ando
Akira Miyashita
Nobuyuki Tonegawa
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP5337496A external-priority patent/JPH07225957A/ja
Priority claimed from JP21740894A external-priority patent/JPH0883430A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69426754D1 publication Critical patent/DE69426754D1/de
Application granted granted Critical
Publication of DE69426754T2 publication Critical patent/DE69426754T2/de
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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • 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
    • G11B7/0946—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
    • 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
    • G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69426754T 1993-12-15 1994-12-14 Informationsaufzeichnungs- und -wiedergabegerät mit Prozessor, Informationsaufzeichnungs- und -wiedergabeverfahren Expired - Fee Related DE69426754T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31517393 1993-12-15
JP5337496A JPH07225957A (ja) 1993-12-15 1993-12-28 情報記録再生装置
JP21740894A JPH0883430A (ja) 1994-09-12 1994-09-12 情報記録再生装置

Publications (2)

Publication Number Publication Date
DE69426754D1 true DE69426754D1 (de) 2001-04-05
DE69426754T2 DE69426754T2 (de) 2001-08-09

Family

ID=27330025

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426754T Expired - Fee Related DE69426754T2 (de) 1993-12-15 1994-12-14 Informationsaufzeichnungs- und -wiedergabegerät mit Prozessor, Informationsaufzeichnungs- und -wiedergabeverfahren

Country Status (3)

Country Link
US (3) US5825729A (de)
EP (1) EP0658889B1 (de)
DE (1) DE69426754T2 (de)

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KR100230303B1 (ko) * 1997-07-02 1999-11-15 윤종용 씨디-롬 드라이브에서의 스핀들 모터 성능 검사방법
JP3180063B2 (ja) * 1997-08-26 2001-06-25 インターナショナル・ビジネス・マシーンズ・コーポレ−ション ディスク・ドライブ装置及びこれの制御方法
EP0910073A3 (de) * 1997-10-16 2000-02-16 Sony Corporation Gerät zum abspielen von optischen Platten mit Mitteln gegen Kollision versehen , sowie Steurungsverfahren für dieses Gerät
JP3855401B2 (ja) * 1997-10-16 2006-12-13 ソニー株式会社 光ディスク記録及び／又は再生装置、及び方法
EP0969453A1 (de) * 1998-07-03 2000-01-05 Deutsche Thomson-Brandt GmbH Schnelle und genaue Positionierung eines optischen Lese- und/oder Schreibkopfes in einem Datenwiedergabe- und/oder -aufzeichnungsgerät
JP3705957B2 (ja) * 1999-06-11 2005-10-12 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ ディスクストレージ装置における不良セクタ処理方法及びディスクストレージ装置
US6785076B1 (en) * 2000-07-17 2004-08-31 Hewlett-Packard Development Company, L.P. Alternate tape repositioning method during data recovery
US6868050B1 (en) * 2000-08-15 2005-03-15 Promos Technologies Inc. Calibration method for writing to optical media
US6775216B2 (en) * 2000-08-29 2004-08-10 Zoran Corporation Method and apparatus for restarting a write operation in a disk drive system
EP1410044A2 (de) * 2000-11-08 2004-04-21 Burstein Technologies, Inc. Interaktives system zur analyse biologischer proben und zur verarbeitung damit im zusammenhang stehender angaben und verwendung davon
US6965433B2 (en) * 2000-11-16 2005-11-15 Nagaoka & Co., Ltd. Optical biodiscs with reflective layers
WO2002046761A2 (en) * 2000-12-08 2002-06-13 Burstein Technologies, Inc. Methods for detecting analytes using optical discs and optical disc readers
US6760298B2 (en) * 2000-12-08 2004-07-06 Nagaoka & Co., Ltd. Multiple data layer optical discs for detecting analytes
US7095683B2 (en) * 2001-01-25 2006-08-22 Dphi Acquisitions, Inc. Tracking and focus digital servo system with write abort
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6636468B2 (en) 2001-03-26 2003-10-21 Oak Technology, Inc. Method and apparatus for laser power control during recording
US20020171838A1 (en) * 2001-05-16 2002-11-21 Pal Andrew Attila Variable sampling control for rendering pixelization of analysis results in a bio-disc assembly and apparatus relating thereto
JP4109919B2 (ja) * 2002-07-19 2008-07-02 キヤノン株式会社 光学的情報再生装置
JP2004103144A (ja) * 2002-09-11 2004-04-02 Fujitsu Ltd 円盤状記録媒体を備えた記録装置およびサーボ情報処理方法
TWI226603B (en) * 2003-10-29 2005-01-11 Mediatek Inc A method for handling an interrupt request in an optical storage drive
US20050180276A1 (en) * 2004-02-17 2005-08-18 Canon Kabushiki Kaisha Optical information recording and reproducing apparatus
TWI312986B (en) * 2004-03-09 2009-08-01 Tian Holdings Ll Optical disk drive system with quasi-parallel tasking and servo control method
TWI322423B (en) * 2005-04-23 2010-03-21 Quanta Storage Inc Method of detecting the assembly direction of a disk device
JP2007184039A (ja) * 2006-01-06 2007-07-19 Canon Inc 情報記録装置
WO2008039974A2 (en) * 2006-09-28 2008-04-03 Cedars-Sinai Medical Center Cancer vaccines and vaccination methods
US9672880B2 (en) * 2014-06-16 2017-06-06 Honeywell International Inc. Radiation upset detection

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JP2565485B2 (ja) * 1984-09-14 1996-12-18 オリンパス光学工業株式会社 光学的記録再生装置
EP0261916B1 (de) * 1986-09-20 1992-12-16 Pioneer Electronic Corporation Servomechanismus für eine Aufzeichnungsplatte-Wiedergabeanordnung
US5077719A (en) * 1987-08-28 1991-12-31 Fujitsu Limited Optical disk access system
JP2625476B2 (ja) * 1988-03-02 1997-07-02 キヤノン株式会社 光学的記録再生装置
JPH0695427B2 (ja) * 1988-08-30 1994-11-24 株式会社東芝 磁気記録再生装置のリード／ライト駆動制御回路
JPH077511B2 (ja) * 1989-02-21 1995-01-30 パイオニア株式会社 ディスクプレーヤにおける読取位置外れ検出装置
EP0395403B1 (de) * 1989-04-28 1996-08-14 Canon Kabushiki Kaisha Optisches Informationsaufnahme-/-wiedergabegerät mit digitaler Servoeinrichtung zum Fokussieren und/oder zur Spurfolge eines optischen Kopfes, basierend auf digitale Information
JPH0782647B2 (ja) * 1989-11-08 1995-09-06 富士通株式会社 光ディスク装置
JP2840687B2 (ja) * 1990-01-09 1998-12-24 ソニー株式会社 ディスク再生装置
JPH0464927A (ja) * 1990-07-03 1992-02-28 Pioneer Electron Corp フォトクロミック光ディスク書込読取装置
JP3114733B2 (ja) * 1990-10-24 2000-12-04 日本電気株式会社 スピンドルモータ駆動回路
US5428590A (en) * 1991-06-04 1995-06-27 Canon Kabushiki Kaisha Information recording and reproducing apparatus and method in which an information recording or reproducing head seeks a desired track on a recording medium
US5280603A (en) * 1991-09-19 1994-01-18 Quantum Corporation Servo pause for disk drive embedded multi-tasked controller
JP3074877B2 (ja) * 1991-11-22 2000-08-07 ソニー株式会社 光ディスクプレーヤ
JP3230319B2 (ja) * 1992-07-09 2001-11-19 ソニー株式会社 音響再生装置
JP3243883B2 (ja) * 1993-04-12 2002-01-07 ソニー株式会社 記録又は再生装置
JP3433471B2 (ja) * 1993-05-27 2003-08-04 ソニー株式会社 光ディスク装置における信号処理方法
DE69429609T2 (de) * 1993-10-13 2002-08-14 Canon K.K., Tokio/Tokyo Magnetooptisches Plattengerät mit einem einzigen Mikroprozessor

Also Published As

Publication number Publication date
US6147943A (en) 2000-11-14
US6049516A (en) 2000-04-11
US5825729A (en) 1998-10-20
EP0658889A1 (de) 1995-06-21
DE69426754T2 (de) 2001-08-09
EP0658889B1 (de) 2001-02-28

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8339 Ceased/non-payment of the annual fee