EA200100350A1 - Способ просмотра в поисках дефектов диска для записи и записывающее устройство для записи информации на носитель записи, имеющий форму диска - Google Patents

Способ просмотра в поисках дефектов диска для записи и записывающее устройство для записи информации на носитель записи, имеющий форму диска

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Publication number
EA200100350A1
EA200100350A1 EA200100350A EA200100350A EA200100350A1 EA 200100350 A1 EA200100350 A1 EA 200100350A1 EA 200100350 A EA200100350 A EA 200100350A EA 200100350 A EA200100350 A EA 200100350A EA 200100350 A1 EA200100350 A1 EA 200100350A1
Authority
EA
Eurasian Patent Office
Prior art keywords
recording
tracks
disk
defects
localized defects
Prior art date
Application number
EA200100350A
Other languages
English (en)
Other versions
EA003236B1 (ru
Inventor
Гейсберт Й. Ван Ден Энден
Original Assignee
Конинклейке Филипс Электроникс Н.В.
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 Конинклейке Филипс Электроникс Н.В. filed Critical Конинклейке Филипс Электроникс Н.В.
Publication of EA200100350A1 publication Critical patent/EA200100350A1/ru
Publication of EA003236B1 publication Critical patent/EA003236B1/ru

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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
    • 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
    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • 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
    • G11B2020/1826—Testing wherein a defect list or error map is generated
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/63—Solid state media wherein solid state memory is used as a supplementary storage medium to store auxiliary data for detecting or correcting errors on a main storage medium
    • 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
    • G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Описаны способ и записывающее устройство (20) на видеодиски для цифровой видеозаписи (ЦВЗ) для записи видеосигналов в реальном масштабе времени на диск ЦВЗ (1). Диск может иметь двумерные локализованные дефекты (11; 12; 13), но система коррекции ошибок ЦВЗ является очень мощной и способна исправлять ошибки, являющиеся результатом малых локализованных дефектов (11; 12). Чтобы проверить быстрым и эффективным способом, имеет ли диск большие локализованные дефекты (13), целостность заранее определенных тестовых дорожек (2T) оценивают на основе сигнала слежения. Когда установлено, что тестовая дорожка (2T2; 2T3) является дефектной, дополнительно проверяют окрестность указанной тестовой дорожки. Если число подвергшихся воздействию дорожек оказывается малым, запись в этих дорожках разрешается; если число подвергшихся воздействию дорожек оказывается большим, эти дорожки вводят в список дефектов, который предпочтительно записан на диске. Во время записи дорожки, присутствующие в списке дефектов, пропускают.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200100350A 1999-07-15 2000-07-12 Способ просмотра в поисках дефектов диска для записи и записывающее устройство для записи информации на носитель записи, имеющий форму диска EA003236B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99202323 1999-07-15
PCT/EP2000/006619 WO2001006510A1 (en) 1999-07-15 2000-07-12 Method of scanning a recording disc for defects, and recording device for recording information on a disc-shaped recording medium

Publications (2)

Publication Number Publication Date
EA200100350A1 true EA200100350A1 (ru) 2001-08-27
EA003236B1 EA003236B1 (ru) 2003-02-27

Family

ID=8240454

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200100350A EA003236B1 (ru) 1999-07-15 2000-07-12 Способ просмотра в поисках дефектов диска для записи и записывающее устройство для записи информации на носитель записи, имеющий форму диска

Country Status (15)

Country Link
US (1) US7215619B1 (ru)
EP (2) EP1114419A1 (ru)
JP (1) JP2003505811A (ru)
KR (1) KR100689721B1 (ru)
CN (2) CN1328725C (ru)
AU (1) AU781212B2 (ru)
BR (1) BR0006939A (ru)
CA (1) CA2344387C (ru)
EA (1) EA003236B1 (ru)
HU (1) HU230670B1 (ru)
MY (1) MY127889A (ru)
PL (1) PL346584A1 (ru)
TW (1) TW509907B (ru)
UA (1) UA76401C2 (ru)
WO (1) WO2001006510A1 (ru)

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US6738333B1 (en) 2000-05-30 2004-05-18 Dphi Acquisitions, Inc. Format for recording data in a storage disk
US7051054B1 (en) 2000-05-30 2006-05-23 Dphi Acquisitions, Inc. Method and apparatus for emulating read/write file system on a write-once storage disk
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KR100947230B1 (ko) 2003-09-16 2010-03-11 엘지전자 주식회사 광디스크 표면의 기계적 내구성 검사 장치 및 방법
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JPWO2008041700A1 (ja) * 2006-10-04 2010-02-04 パナソニック株式会社 光ディスク装置
WO2008056681A1 (fr) * 2006-11-07 2008-05-15 Panasonic Corporation Dispositif de disque optique
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Also Published As

Publication number Publication date
HU230670B1 (hu) 2017-07-28
BR0006939A (pt) 2001-06-26
TW509907B (en) 2002-11-11
PL346584A1 (en) 2002-02-11
AU781212B2 (en) 2005-05-12
EP2178088A3 (en) 2011-10-26
CN1321312A (zh) 2001-11-07
HUP0103953A3 (en) 2003-05-28
CA2344387A1 (en) 2001-01-25
CA2344387C (en) 2012-01-03
EP1114419A1 (en) 2001-07-11
EA003236B1 (ru) 2003-02-27
WO2001006510A1 (en) 2001-01-25
HUP0103953A2 (hu) 2002-03-28
AU6692500A (en) 2001-02-05
EP2178088A2 (en) 2010-04-21
CN1716393B (zh) 2011-01-26
KR100689721B1 (ko) 2007-03-08
UA76401C2 (en) 2006-08-15
MY127889A (en) 2006-12-29
US7215619B1 (en) 2007-05-08
KR20010079809A (ko) 2001-08-22
JP2003505811A (ja) 2003-02-12
CN1328725C (zh) 2007-07-25
CN1716393A (zh) 2006-01-04

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

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