DE69225113D1 - Optisches Informationsaufnahme/wiedergabegerät - Google Patents

Optisches Informationsaufnahme/wiedergabegerät

Info

Publication number
DE69225113D1
DE69225113D1 DE69225113T DE69225113T DE69225113D1 DE 69225113 D1 DE69225113 D1 DE 69225113D1 DE 69225113 T DE69225113 T DE 69225113T DE 69225113 T DE69225113 T DE 69225113T DE 69225113 D1 DE69225113 D1 DE 69225113D1
Authority
DE
Germany
Prior art keywords
information recording
playback device
optical information
playback
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 - Fee Related
Application number
DE69225113T
Other languages
English (en)
Other versions
DE69225113T2 (de
Inventor
Koyama C O Canon Kabushi Osamu
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69225113D1 publication Critical patent/DE69225113D1/de
Application granted granted Critical
Publication of DE69225113T2 publication Critical patent/DE69225113T2/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
    • G11B7/08—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
    • 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
    • G11B7/09—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
DE69225113T 1991-11-14 1992-11-12 Optisches Informationsaufnahme/wiedergabegerät Expired - Fee Related DE69225113T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32510691A JP3337702B2 (ja) 1991-11-14 1991-11-14 光学的情報記録再生装置

Publications (2)

Publication Number Publication Date
DE69225113D1 true DE69225113D1 (de) 1998-05-20
DE69225113T2 DE69225113T2 (de) 1998-08-20

Family

ID=18173192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225113T Expired - Fee Related DE69225113T2 (de) 1991-11-14 1992-11-12 Optisches Informationsaufnahme/wiedergabegerät

Country Status (5)

Country Link
US (1) US5745449A (de)
EP (1) EP0542558B1 (de)
JP (1) JP3337702B2 (de)
DE (1) DE69225113T2 (de)
ES (1) ES2114549T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2732701A (en) * 2000-01-07 2001-07-24 Safeship International, Inc. Method for monitoring parcel shipping systems
US6822934B2 (en) * 2000-06-21 2004-11-23 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus for finding a tracking error for an optical disk
US7020054B2 (en) * 2001-01-25 2006-03-28 Dphi Acquisitions, Inc. Digital servo system with biased feed-forward
US7522480B2 (en) * 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
JP3708077B2 (ja) * 2002-12-27 2005-10-19 株式会社東芝 ディスク記憶装置及び同装置におけるヘッド位置決め方法
JP2005166195A (ja) * 2003-12-04 2005-06-23 Canon Inc 光情報記録再生装置及び光情報記録再生方法
JP2006331471A (ja) * 2005-05-23 2006-12-07 Canon Inc 光情報記録再生装置
JP4822023B2 (ja) * 2005-05-31 2011-11-24 日本電気株式会社 対物レンズ駆動装置および光ディスク装置
US7680013B2 (en) * 2005-11-29 2010-03-16 Canon Kabushiki Kaisha Optical information recording and reproducing apparatus
US7791986B2 (en) * 2006-03-15 2010-09-07 Canon Kabushiki Kaisha Optical information recording/reproducing apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107121A (ja) * 1975-03-17 1976-09-22 Yoshifumi Sakurai Hikarijikikirokuhoshiki
JPS5928249A (ja) * 1982-08-05 1984-02-14 Nec Corp 光デイスク装置
JPS59127239A (ja) * 1983-01-12 1984-07-23 Canon Inc 情報記録再生装置
DE3503858A1 (de) * 1985-02-05 1986-08-21 Daimler-Benz Ag, 7000 Stuttgart Vorrichtung zur ermittlung von gestaltsfehlern niedriger ordnung
JPS6226644A (ja) * 1985-07-29 1987-02-04 Hitachi Ltd 光学式情報記録再生装置
US5018124A (en) * 1987-03-31 1991-05-21 Canon Kabushiki Kaisha Information recording method and apparatus for recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detected
JPS6437729A (en) * 1987-08-04 1989-02-08 Canon Kk Optical information recording and reproducing device
US4764914A (en) * 1987-09-11 1988-08-16 Eastman Kodak Company Least squares method and apparatus for determining track eccentricity of a disk
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.
US5105410A (en) * 1987-12-28 1992-04-14 Ricoh Company, Ltd. Multi-beam optical pick-up
JPH0792554B2 (ja) * 1988-01-07 1995-10-09 日本電気株式会社 複数ビーム集光光学装置
US5105407A (en) * 1989-01-11 1992-04-14 Kabushiki Kaisha Toshiba Optical information-processing apparatus
CA2011384C (en) * 1989-03-09 1994-05-03 Shigenori Yanagi Track access control apparatus for optical disk apparatus
JPH03100931A (ja) * 1989-09-14 1991-04-25 Mitsubishi Electric Corp 光学式情報記録再生装置
US5293366A (en) * 1990-07-26 1994-03-08 Canon Kabushiki Kaisha Information recording and reproducing apparatus provided with means for adding to a tracking signal offset corresponding to the positional deviation of a recording spot and a reproducing spot
JP2685637B2 (ja) * 1990-09-05 1997-12-03 キヤノン株式会社 光学的情報記録再生装置

Also Published As

Publication number Publication date
DE69225113T2 (de) 1998-08-20
EP0542558A3 (en) 1993-08-11
ES2114549T3 (es) 1998-06-01
EP0542558B1 (de) 1998-04-15
US5745449A (en) 1998-04-28
EP0542558A2 (de) 1993-05-19
JP3337702B2 (ja) 2002-10-21
JPH05135389A (ja) 1993-06-01

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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