DE60139146D1 - Platteneinrichtung und verfahren zur steuerung eines schwellenwerts der platteneinrichtung - Google Patents

Platteneinrichtung und verfahren zur steuerung eines schwellenwerts der platteneinrichtung

Info

Publication number
DE60139146D1
DE60139146D1 DE60139146T DE60139146T DE60139146D1 DE 60139146 D1 DE60139146 D1 DE 60139146D1 DE 60139146 T DE60139146 T DE 60139146T DE 60139146 T DE60139146 T DE 60139146T DE 60139146 D1 DE60139146 D1 DE 60139146D1
Authority
DE
Germany
Prior art keywords
plate device
controlling
threshold value
plate
threshold
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
DE60139146T
Other languages
English (en)
Inventor
Shigekazu Minechika
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE60139146D1 publication Critical patent/DE60139146D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • 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
    • G11B7/0045—Recording
    • 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
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering
DE60139146T 2000-12-11 2001-11-21 Platteneinrichtung und verfahren zur steuerung eines schwellenwerts der platteneinrichtung Expired - Lifetime DE60139146D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000375691A JP3639525B2 (ja) 2000-12-11 2000-12-11 ディスク装置
PCT/JP2001/010190 WO2002049017A1 (fr) 2000-12-11 2001-11-21 Disque et procede de controle de la valeur de seuil du disque

Publications (1)

Publication Number Publication Date
DE60139146D1 true DE60139146D1 (de) 2009-08-13

Family

ID=18844667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139146T Expired - Lifetime DE60139146D1 (de) 2000-12-11 2001-11-21 Platteneinrichtung und verfahren zur steuerung eines schwellenwerts der platteneinrichtung

Country Status (7)

Country Link
US (1) US7193951B2 (de)
EP (1) EP1343150B1 (de)
JP (1) JP3639525B2 (de)
KR (1) KR100767174B1 (de)
CN (1) CN1241180C (de)
DE (1) DE60139146D1 (de)
WO (1) WO2002049017A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3123591B2 (ja) * 1995-12-20 2001-01-15 富士通株式会社 光ディスク装置
JPH10144002A (ja) 1996-11-13 1998-05-29 Sony Corp 光ディスク装置および光ディスク再生方法
JPH10198978A (ja) 1997-01-06 1998-07-31 Hitachi Ltd 情報記録再生装置、情報記録再生方法及び情報記録媒体の極性反転位置検出方法
JP3839917B2 (ja) 1997-07-31 2006-11-01 株式会社東芝 光ディスク装置
KR100239468B1 (ko) * 1997-11-14 2000-01-15 구자홍 광자기 기록매체로부터 기록 정보를 재생하는 방법 및 장치
JPH11283291A (ja) * 1998-01-30 1999-10-15 Fujitsu Ltd 記憶装置、光学的記録媒体及び情報記録方法
KR20010080448A (ko) * 1998-11-13 2001-08-22 다카노 야스아키 광 자기 기록 매체용 재생 레이저 파워의 최적화 방법 및그 방법을 이용한 광 자기 디스크 장치
US6614740B1 (en) * 1999-05-25 2003-09-02 Lg Electronics Inc. Device and method for detecting non-writable region of optical recording medium
JP4598923B2 (ja) 2000-06-16 2010-12-15 株式会社東芝 光ディスク記録装置とその半導体集積回路

Also Published As

Publication number Publication date
EP1343150A4 (de) 2008-04-16
KR100767174B1 (ko) 2007-10-15
CN1241180C (zh) 2006-02-08
KR20030065536A (ko) 2003-08-06
EP1343150A1 (de) 2003-09-10
US7193951B2 (en) 2007-03-20
CN1489763A (zh) 2004-04-14
JP2002183969A (ja) 2002-06-28
JP3639525B2 (ja) 2005-04-20
WO2002049017A1 (fr) 2002-06-20
US20040032810A1 (en) 2004-02-19
EP1343150B1 (de) 2009-07-01

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