HK95995A - Apparatus for recording and reproducing data into/from an optical disc - Google Patents

Apparatus for recording and reproducing data into/from an optical disc

Info

Publication number
HK95995A
HK95995A HK95995A HK95995A HK95995A HK 95995 A HK95995 A HK 95995A HK 95995 A HK95995 A HK 95995A HK 95995 A HK95995 A HK 95995A HK 95995 A HK95995 A HK 95995A
Authority
HK
Hong Kong
Prior art keywords
optical disc
recording
laser diode
power
data
Prior art date
Application number
HK95995A
Other languages
English (en)
Inventor
Seiji Kobayashi
Kiyoshi Ohsato
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK95995A publication Critical patent/HK95995A/xx

Links

Classifications

    • 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
    • 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
    • G11B11/10532—Heads
    • G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
    • G11B11/10536—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording using thermic beams, e.g. lasers
    • 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
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • 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
    • G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745—Sectoring or header formats within a track

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
HK95995A 1986-08-13 1995-06-15 Apparatus for recording and reproducing data into/from an optical disc HK95995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61188388A JPH07111782B2 (ja) 1986-08-13 1986-08-13 光デイスクの記録再生装置

Publications (1)

Publication Number Publication Date
HK95995A true HK95995A (en) 1995-06-23

Family

ID=16222754

Family Applications (1)

Application Number Title Priority Date Filing Date
HK95995A HK95995A (en) 1986-08-13 1995-06-15 Apparatus for recording and reproducing data into/from an optical disc

Country Status (7)

Country Link
US (1) US4796250A (xx)
EP (1) EP0256827B1 (xx)
JP (1) JPH07111782B2 (xx)
KR (1) KR950013701B1 (xx)
AT (1) ATE84375T1 (xx)
DE (1) DE3783406T2 (xx)
HK (1) HK95995A (xx)

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JPS6439633A (en) * 1987-08-04 1989-02-09 Mitsubishi Electric Corp Method for driving recording medium
JPH01232545A (ja) * 1987-11-19 1989-09-18 Olympus Optical Co Ltd 光記録方法及び光ディスク装置
NL8800170A (nl) * 1988-01-26 1989-08-16 Philips Nv Optisch uitleesbare registratiedrager van het beschrijfbare type en optische uitleesinrichting voor het uitlezen van een dergelijke registratiedrager.
JPH02132514A (ja) * 1988-07-04 1990-05-22 Canon Inc ドライブインターフェイス
JPH0227533A (ja) * 1988-07-18 1990-01-30 Sony Corp レーザダイオード駆動装置
JP2733969B2 (ja) * 1988-07-22 1998-03-30 ソニー株式会社 レーザパワー制御装置
JPH0827958B2 (ja) * 1988-09-16 1996-03-21 パイオニア株式会社 半導体発光素子の光パワー制御装置
US6052510A (en) * 1988-09-19 2000-04-18 Canon Kabushiki Kaisha Apparatus for recording, reproduction or erasing
JPH02162539A (ja) * 1988-12-16 1990-06-22 Sony Corp 光ディスクの記録再生装置
NL9000328A (nl) * 1989-06-23 1991-01-16 Philips Nv Werkwijze en inrichting voor het aanbrengen van informatiepatronen op een registratiedrager.
NL8901345A (nl) * 1989-05-29 1990-12-17 Philips Nv Werkwijze en inrichting voor het optekenen van signalen op een registratiedrager, alsmede een meetwerkwijze en meetinrichting voor toepassing in de optekenwerkwijze en optekeninrichting, alsmede een registratiedrager.
JPH0330130A (ja) * 1989-06-28 1991-02-08 Sharp Corp 半導体レーザ駆動回路
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US5513167A (en) * 1989-12-20 1996-04-30 Sony Corporation Optical recording apparatus
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US5194363A (en) * 1990-04-27 1993-03-16 Matsushita Electric Industrial Co., Ltd. Optical recording medium and production process for the medium
JP2809835B2 (ja) * 1990-07-30 1998-10-15 松下電器産業株式会社 光ディスク装置および光ディスク
JPH04134737A (ja) * 1990-09-27 1992-05-08 Internatl Business Mach Corp <Ibm> 光ディスク駆動装置及び光量調整装置
US5136569A (en) * 1990-09-28 1992-08-04 International Business Machines Corporation Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure
US5168491A (en) * 1991-02-25 1992-12-01 Olympus Optical Co., Ltd. Method for controlling radiation power of a laser beam irradiated onto a recording medium
JP2795567B2 (ja) * 1991-11-25 1998-09-10 シャープ株式会社 光磁気ディスク及び再生方法
JP2835250B2 (ja) * 1992-08-10 1998-12-14 シャープ株式会社 光ディスク記録再生装置における光量制御装置
JPH07131089A (ja) * 1993-11-08 1995-05-19 Nikon Corp レーザパワーモニタ回路
JPH07272275A (ja) * 1994-03-29 1995-10-20 Sony Corp 光ディスク装置
EP0726572B1 (en) * 1994-08-25 2002-10-16 Sony Corporation Optical disk and optical disk drive device
US5648952A (en) * 1994-09-28 1997-07-15 Ricoh Company, Ltd. Phase-change optical disc recording method and apparatus, and information recording apparatus and recording pre-compensation method
JPH08147745A (ja) * 1994-11-17 1996-06-07 Matsushita Electric Ind Co Ltd マルチビームレーザパワー制御方法及びマルチビーム光学的記録再生装置
JP4046778B2 (ja) * 1995-04-05 2008-02-13 ソニー株式会社 光学ディスク記録再生装置
JPH09107144A (ja) * 1995-10-11 1997-04-22 Sony Corp レーザダイオードの劣化判定回路
JPH11213429A (ja) * 1998-01-30 1999-08-06 Sony Corp 相変化型光ディスクの記録装置及び記録方法
KR100354732B1 (ko) 1998-04-03 2002-11-18 삼성전자 주식회사 고밀도광기록기기를위한적응적인기록방법및그장치
JP2000260024A (ja) * 1999-03-10 2000-09-22 Nec Corp 光記録再生装置
US6950378B1 (en) * 1999-07-28 2005-09-27 Matsushita Electric Industrial Co., Ltd. Laser power control method and optical disk device
EP1136992A3 (en) * 2000-03-24 2006-09-06 Samsung Electronics Co., Ltd. Apparatus and method for controlling auto laser diode power
JP2002197709A (ja) * 2000-10-18 2002-07-12 Sony Corp 記録再生装置、状態検出方法、および、データ出力方法、情報処理装置、および、情報処理方法、並びに記録媒体
JP3700602B2 (ja) * 2001-03-30 2005-09-28 ヤマハ株式会社 レーザ駆動装置
KR100442860B1 (ko) * 2001-05-17 2004-08-02 삼성전자주식회사 레이저 다이오드 출력 제어 장치
EP1585115B1 (en) * 2001-10-01 2006-11-02 Pioneer Corporation Data recording apparatus
KR20070073855A (ko) * 2004-10-05 2007-07-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 픽업의 신호용 피드백 제어 루프를 구비한 장치
US8009546B2 (en) * 2009-06-11 2011-08-30 Texas Instruments Incorporated Over current protection device
JP2019186623A (ja) * 2018-04-03 2019-10-24 ソニー株式会社 過電流判定回路及び発光制御装置

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Also Published As

Publication number Publication date
EP0256827A2 (en) 1988-02-24
KR950013701B1 (ko) 1995-11-13
DE3783406D1 (de) 1993-02-18
US4796250A (en) 1989-01-03
JPH07111782B2 (ja) 1995-11-29
DE3783406T2 (de) 1993-06-09
KR880003301A (ko) 1988-05-16
EP0256827A3 (en) 1989-01-04
EP0256827B1 (en) 1993-01-07
ATE84375T1 (de) 1993-01-15
JPS6346633A (ja) 1988-02-27

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Effective date: 20070809