DE3888565T2 - Aufzeichnungs- und Wiedergabegerät. - Google Patents

Aufzeichnungs- und Wiedergabegerät.

Info

Publication number
DE3888565T2
DE3888565T2 DE3888565T DE3888565T DE3888565T2 DE 3888565 T2 DE3888565 T2 DE 3888565T2 DE 3888565 T DE3888565 T DE 3888565T DE 3888565 T DE3888565 T DE 3888565T DE 3888565 T2 DE3888565 T2 DE 3888565T2
Authority
DE
Germany
Prior art keywords
recording
playback device
playback
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
DE3888565T
Other languages
English (en)
Other versions
DE3888565D1 (de
Inventor
Noriaki Sakamoto
Shigemi Maeda
Toshihiro Yamanaka
Toshihisa Deguchi
Nobuyuki Horie
Takeshi Yamaguchi
Kunio Kojima
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority claimed from JP10710487A external-priority patent/JPS63271724A/ja
Priority claimed from JP62107102A external-priority patent/JPH0792923B2/ja
Priority claimed from JP10561687A external-priority patent/JPS63269320A/ja
Priority claimed from JP62117574A external-priority patent/JP2603632B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE3888565D1 publication Critical patent/DE3888565D1/de
Publication of DE3888565T2 publication Critical patent/DE3888565T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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
    • G11B11/10595Control of operating function
    • G11B11/10597Adaptations for transducing various formats on the same or different carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE3888565T 1987-04-28 1988-04-27 Aufzeichnungs- und Wiedergabegerät. Expired - Lifetime DE3888565T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10710487A JPS63271724A (ja) 1987-04-28 1987-04-28 記録再生装置
JP62107102A JPH0792923B2 (ja) 1987-04-28 1987-04-28 光デイスク装置
JP10561687A JPS63269320A (ja) 1987-04-28 1987-04-28 記録再生装置
JP62117574A JP2603632B2 (ja) 1987-05-13 1987-05-13 光情報記録再生装置

Publications (2)

Publication Number Publication Date
DE3888565D1 DE3888565D1 (de) 1994-04-28
DE3888565T2 true DE3888565T2 (de) 1994-10-20

Family

ID=27469344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888565T Expired - Lifetime DE3888565T2 (de) 1987-04-28 1988-04-27 Aufzeichnungs- und Wiedergabegerät.

Country Status (3)

Country Link
US (1) US5005164A (de)
EP (1) EP0289004B1 (de)
DE (1) DE3888565T2 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118274A (ja) * 1987-10-30 1989-05-10 Canon Inc デジタルデータの記録方式
DE3850058T2 (de) * 1987-12-01 1994-12-15 Matsushita Electric Ind Co Ltd Optisches Informationsaufzeichnungsgerät.
US6052510A (en) * 1988-09-19 2000-04-18 Canon Kabushiki Kaisha Apparatus for recording, reproduction or erasing
JP2812441B2 (ja) * 1988-10-11 1998-10-22 キヤノン株式会社 光学的情報記録再生装置
US5126994A (en) * 1988-11-29 1992-06-30 Sony Corporation Method and apparatus for controlling and detecting recording laser beam
JPH077509B2 (ja) * 1989-02-20 1995-01-30 オムロン株式会社 2光源方式光学的記録再生装置
US5134606A (en) * 1989-07-07 1992-07-28 Nec Corporation Method and optical recording/reproducing apparatus for optimizing laser beam power
JPH03113760A (ja) * 1989-09-22 1991-05-15 Nikon Corp 光磁気ピットポジション記録方法及びそれに使用される記録装置
JPH03171437A (ja) * 1989-11-30 1991-07-24 Matsushita Electric Ind Co Ltd 信号記録方法と最適パワー設定装置
US5185733A (en) * 1990-03-01 1993-02-09 International Business Machines Corporation Calibrating lasers for optical recording using a maximal readback signal amplitude as a criterion
KR950003182B1 (ko) * 1990-03-14 1995-04-01 마쯔시다덴기산교 가부시기 가이사 광디스크 및 광학정보의 기록방법
JP2797733B2 (ja) * 1990-03-14 1998-09-17 松下電器産業株式会社 光学情報記録部材の記録方法
EP0453161A3 (en) * 1990-04-10 1992-07-08 Seiko Epson Corporation Optical recording apparatus
US5493549A (en) * 1990-04-10 1996-02-20 Seiko Epson Corporation Optical recording regeneration apparatus with compensation circuit
US5237550A (en) * 1990-05-24 1993-08-17 Olympus Optical Co., Ltd. Reloadable optical recording/reproducing apparatus
US5418770A (en) * 1990-06-29 1995-05-23 Hitachi, Ltd. Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus
JP2865841B2 (ja) * 1990-09-28 1999-03-08 株式会社日立製作所 ディジタル信号記録再生方式
FR2664420A1 (fr) * 1990-07-05 1992-01-10 Thomson Csf Enregistreur-lecteur optique ou magneto-optique.
JP2653259B2 (ja) * 1991-03-19 1997-09-17 松下電器産業株式会社 記録レーザ強度設定方法及びレーザ記録装置
JP2885650B2 (ja) * 1993-11-11 1999-04-26 株式会社東芝 ディスク再生装置
JP3441212B2 (ja) * 1995-01-19 2003-08-25 株式会社リコー パワー制御方式
US5719838A (en) * 1996-03-29 1998-02-17 Eastman Kodak Company β compensation using a defocus technique
JP3545163B2 (ja) * 1997-04-10 2004-07-21 パイオニア株式会社 信号変換装置及びディジタル情報記録装置
US6442120B2 (en) * 1998-08-31 2002-08-27 Hitachi, Ltd. Optical reproduction method and optical information device
US6721255B1 (en) * 1998-10-28 2004-04-13 Matsushita Electric Industrial Co., Ltd. Device and method for recording data to optical disk using recording pulse with corrected edge position
JP3718759B2 (ja) 1999-01-25 2005-11-24 株式会社日立製作所 レーザ駆動装置および光ディスク記録再生装置
US6700857B1 (en) * 1999-11-03 2004-03-02 Samsung Electronics Co., Ltd. Method and apparatus for controlling light power of optical disk system, and optical disk system having the same
JP2001134974A (ja) * 1999-11-09 2001-05-18 Sanyo Electric Co Ltd 光ディスク記録再生装置のレーザー出力制御回路
JP2002042339A (ja) * 2000-07-19 2002-02-08 Teac Corp 光ディスク記録装置
JP3531815B2 (ja) * 2001-05-22 2004-05-31 船井電機株式会社 回転方向検出装置
JP2003051117A (ja) * 2001-08-07 2003-02-21 Mitsumi Electric Co Ltd 光ディスク装置
JP3870759B2 (ja) * 2001-11-14 2007-01-24 株式会社日立製作所 光ディスク記録方法及び光ディスク装置
US7344970B2 (en) * 2002-04-11 2008-03-18 Shipley Company, L.L.C. Plating method
AU2003227403A1 (en) 2002-04-19 2003-11-03 Matsushita Electric Industrial Co., Ltd. Optical information recording method, optical information recording device, and optical information recording medium
TW594708B (en) * 2002-05-10 2004-06-21 Asustek Comp Inc Method for determining writing power of data recording devices
US7406012B2 (en) * 2002-10-28 2008-07-29 Matsushita Electric Industrial Co., Ltd. Semiconductor laser driving device, optical head device, optical information processing device, and optical recording medium
JP3972868B2 (ja) * 2003-06-24 2007-09-05 ソニー株式会社 デジタルpll装置
JP4616244B2 (ja) * 2006-12-15 2011-01-19 株式会社日立製作所 光ディスク記録方法及び光ディスク装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5369006A (en) * 1976-11-30 1978-06-20 Sony Corp Reproducer of disc form signal recording media
JPS56153488A (en) * 1980-04-28 1981-11-27 Mitsubishi Electric Corp Recording device
JPS5778637A (en) * 1980-10-31 1982-05-17 Matsushita Electric Ind Co Ltd Optical information recorder
AU544867B2 (en) * 1981-07-15 1985-06-20 Discovision Associates Video discs
US4488277A (en) * 1982-02-10 1984-12-11 North American Philips Corporation Control system for an optical data recording apparatus
JPS5960742A (ja) * 1982-09-30 1984-04-06 Fujitsu Ltd 光デイスクの記録再生制御方法
US4516235A (en) * 1982-10-28 1985-05-07 Rca Corporation Dynamic record level control for optical disc recorder
US4549288A (en) * 1982-12-20 1985-10-22 North American Philips Corporation Apparatus for enhancing the playback signal in an optical data recording system
FR2546325B1 (fr) * 1983-05-20 1988-07-08 Thomson Csf Procede et dispositif de calibration de la puissance optique appliquee a un disque optique pour l'enregistrement de donnees
JPS6116033A (ja) * 1984-07-02 1986-01-24 Matsushita Electric Ind Co Ltd 書換え可能光学的記録再生装置
EP0213623B1 (de) * 1985-09-02 1996-01-10 Sharp Kabushiki Kaisha Wiedergabegerät für optische Platten
JP2810035B2 (ja) * 1986-08-22 1998-10-15 株式会社日立製作所 光学的記録再生方法
US4873680A (en) * 1987-03-13 1989-10-10 Laserdrive Ltd. Apparatus and method for detecting and compensating for pit extension in an optical disk recording system
US4998237A (en) * 1987-04-28 1991-03-05 Yamaha Corporation Optical disc recording device having improved accuracy of pit formation

Also Published As

Publication number Publication date
US5005164A (en) 1991-04-02
EP0289004A3 (en) 1990-05-02
DE3888565D1 (de) 1994-04-28
EP0289004B1 (de) 1994-03-23
EP0289004A2 (de) 1988-11-02

Similar Documents

Publication Publication Date Title
DE3888565D1 (de) Aufzeichnungs- und Wiedergabegerät.
DE68911331D1 (de) Aufzeichnungs- und Wiedergabegerät.
DE3750173D1 (de) Aufnahme- und Wiedergabegerät.
DE3580704D1 (de) Aufzeichnungs- und wiedergabegeraet.
DE3789373D1 (de) Aufnahmegerät und Wiedergabegerät.
DE68924906D1 (de) Aufzeichnungs-/Wiedergabeanordnung.
DE68923116T2 (de) Magnetisches Aufzeichnungs- und Wiedergabegerät.
DE3777461D1 (de) Optisches aufzeichnungs-und wiedergabegeraet.
DE68919342D1 (de) Aufzeichnungs-/Wiedergabeanordnung.
DE69015440T2 (de) Aufzeichnungs-/Wiedergabegerät.
DE3685151D1 (de) Datenaufzeichnungs- und wiedergabegeraet.
DE3882262T2 (de) Magnetooptisches Aufzeichnungs- oder Wiedergabegerät.
KR870015363U (ko) 기록 및 재생장치
DE3869264D1 (de) Magnetisches aufzeichnungs- und wiedergabegeraet.
DE69018559T2 (de) Aufnahme-Wiedergabegerät.
DE3888622T2 (de) Magnetisches Aufzeichnungs- und Wiedergabegerät.
DE3870339D1 (de) Optisches aufzeichnungs- und wiedergabegeraet.
DE3779668T2 (de) Aufnahme- und/oder wiedergabegeraet.
DE68911016T2 (de) Magneto-optisches Aufzeichnungs- und Wiedergabegerät.
DE68915028D1 (de) Magnetisches Aufzeichnungs- und Wiedergabegerät.
ES2021371B3 (es) Aparato de grabacion y reproduccion magnetica.
DE3784970D1 (de) Aufzeichnungs- und wiedergabegeraet.
DE68920921D1 (de) Magnetisches Aufnahme- und Wiedergabegerät.
DE68913225T2 (de) Optisches Aufzeichnungs- und Wiedergabegerät.
DE3683718D1 (de) Datenaufzeichnungs- und wiedergabegeraet.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN