DE69220988D1 - Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers - Google Patents

Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers

Info

Publication number
DE69220988D1
DE69220988D1 DE69220988T DE69220988T DE69220988D1 DE 69220988 D1 DE69220988 D1 DE 69220988D1 DE 69220988 T DE69220988 T DE 69220988T DE 69220988 T DE69220988 T DE 69220988T DE 69220988 D1 DE69220988 D1 DE 69220988D1
Authority
DE
Germany
Prior art keywords
laser
setting
typing power
typing
power
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
DE69220988T
Other languages
English (en)
Other versions
DE69220988T2 (de
Inventor
Shoji Hagihara
Masatsugu Tanji
Takafumi Sugano
Wataru Masuda
Hironori Masuda
Hideaki Inoue
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69220988D1 publication Critical patent/DE69220988D1/de
Publication of DE69220988T2 publication Critical patent/DE69220988T2/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
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/144—Reducing the influence of the temperature by detection, control, regulation of the temperature

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69220988T 1991-03-19 1992-03-18 Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers Expired - Fee Related DE69220988T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3054536A JP2653259B2 (ja) 1991-03-19 1991-03-19 記録レーザ強度設定方法及びレーザ記録装置

Publications (2)

Publication Number Publication Date
DE69220988D1 true DE69220988D1 (de) 1997-09-04
DE69220988T2 DE69220988T2 (de) 1997-11-27

Family

ID=12973391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220988T Expired - Fee Related DE69220988T2 (de) 1991-03-19 1992-03-18 Gerät und Verfahren zur Einstellung der Schreibkraft eines Lasers

Country Status (5)

Country Link
US (1) US5249172A (de)
EP (1) EP0504829B1 (de)
JP (1) JP2653259B2 (de)
CA (1) CA2063221C (de)
DE (1) DE69220988T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475666A (en) * 1992-03-04 1995-12-12 Mitsubishi Denki Kabushiki Kaisha Optically modulated overwritable recording device
JP2692774B2 (ja) * 1992-05-29 1997-12-17 インターナショナル・ビジネス・マシーンズ・コーポレイション 光ドライブ装置の動作温度を動的に制御する装置及び方法
JP3176145B2 (ja) * 1992-09-08 2001-06-11 パイオニア株式会社 光学式情報記録再生装置
TW234182B (de) * 1992-11-20 1994-11-11 Philips Electronics Nv
JPH0773471A (ja) * 1993-09-03 1995-03-17 Pioneer Electron Corp 追記型光ディスクの情報記録装置
JPH0773470A (ja) * 1993-09-03 1995-03-17 Pioneer Electron Corp 追記型光ディスク及びその記録装置
JPH07130080A (ja) * 1993-11-02 1995-05-19 Olympus Optical Co Ltd 情報記録装置
TW272279B (de) * 1994-06-22 1996-03-11 Nippon Pickta Kk
JP2999684B2 (ja) * 1995-03-10 2000-01-17 株式会社日立製作所 光学ディスクの記録制御方法および光学ディスク装置
US5726954A (en) * 1995-04-10 1998-03-10 Nikon Corporation Optical recording method and apparatus
EP0737969B1 (de) * 1995-04-10 2001-09-05 Nikon Corporation Optische Aufzeichnungsverfahren und optisches Aufzeichnungsgerät
US5825724A (en) * 1995-11-07 1998-10-20 Nikon Corporation Magneto-optical recording method using laser beam intensity setting based on playback signal
US5808972A (en) * 1995-12-28 1998-09-15 Nikon Corporation Stabilized overwriteable optical recording method using laser beam intensity settings
US6111841A (en) * 1996-01-10 2000-08-29 Nikon Corporation Apparatus for and method of controlling playback light intensity for an optical recording medium
AU4322897A (en) * 1996-10-08 1998-05-05 Sanyo Electric Co., Ltd. Recording medium and information recorder/reproducer
JP2000504466A (ja) * 1996-12-06 2000-04-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光記録媒体
JP3361025B2 (ja) * 1997-02-12 2003-01-07 日本電気株式会社 光ディスク装置
KR100354732B1 (ko) * 1998-04-03 2002-11-18 삼성전자 주식회사 고밀도광기록기기를위한적응적인기록방법및그장치
US6567350B1 (en) * 1999-09-20 2003-05-20 Matsushita Electric Industrial Co., Ltd. Method for adjusting control operation in an optical disc recording device
JP3858605B2 (ja) * 2001-02-13 2006-12-20 ティアック株式会社 光ディスク記録装置及び光ディスク記録媒体
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
EP1518231B1 (de) * 2002-06-20 2006-11-29 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur bestimmung eines satzes von parametern von aufnahme-pulsen zum aufnehmen auf optischen datenträgern, und optischer datenträger
EP2200036A1 (de) * 2005-04-29 2010-06-23 Hitachi-LG Data Storage Korea Inc. Verfahren zur Einstellung der Laserleistung bei einem optischen Plattenlaufwerk
CN100472620C (zh) * 2005-09-22 2009-03-25 松下电器产业株式会社 半导体激光器驱动装置、光头装置和光信息记录再生装置
US11587589B1 (en) * 2022-01-14 2023-02-21 Western Digital Technologies, Inc. Direct current (DC) level shifting circuit for use in the detection of media defects within a magnetic recording media

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5880138A (ja) * 1981-11-06 1983-05-14 Teac Co 光記録方式
JPS58177534A (ja) * 1982-04-08 1983-10-18 Matsushita Electric Ind Co Ltd 光学的記録装置
JPS59227043A (ja) * 1983-06-06 1984-12-20 Canon Inc 光学式情報記録方式
JPS61122932A (ja) * 1985-11-15 1986-06-10 Canon Inc 信号記録方法
JPH0632461B2 (ja) * 1986-07-01 1994-04-27 ティアツク株式会社 光デイスクに対する映像信号記録装置
US4979162A (en) * 1987-01-16 1990-12-18 Nikon Corporation Apparatus for detecting the secondary distortion of optical type recorded information
US5005164A (en) * 1987-04-28 1991-04-02 Sharp Kabushiki Kaisha Recording and reproducing apparatus
JPH0771636B2 (ja) * 1987-06-26 1995-08-02 住友化学工業株式会社 無機塩浴の精製方法
US5070495A (en) * 1989-04-12 1991-12-03 International Business Machines Corporation Write calibration for magnetooptic disk recorders
US5134606A (en) * 1989-07-07 1992-07-28 Nec Corporation Method and optical recording/reproducing apparatus for optimizing laser beam power
US5050156A (en) * 1989-10-25 1991-09-17 Eastman Kodak Company Method and apparatus for calibrating the writing power applied to an optical media
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

Also Published As

Publication number Publication date
EP0504829A2 (de) 1992-09-23
US5249172A (en) 1993-09-28
JPH04289515A (ja) 1992-10-14
DE69220988T2 (de) 1997-11-27
EP0504829B1 (de) 1997-07-23
CA2063221C (en) 1997-10-14
EP0504829A3 (en) 1992-09-30
JP2653259B2 (ja) 1997-09-17
CA2063221A1 (en) 1992-09-20

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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