JP4403344B2 - ディスクドライブ装置 - Google Patents

ディスクドライブ装置 Download PDF

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Publication number
JP4403344B2
JP4403344B2 JP2000280144A JP2000280144A JP4403344B2 JP 4403344 B2 JP4403344 B2 JP 4403344B2 JP 2000280144 A JP2000280144 A JP 2000280144A JP 2000280144 A JP2000280144 A JP 2000280144A JP 4403344 B2 JP4403344 B2 JP 4403344B2
Authority
JP
Japan
Prior art keywords
signal
level
header
output
detection
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
JP2000280144A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002092884A (ja
JP2002092884A5 (enExample
Inventor
恒生 林
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.)
Sony Corp
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
Priority to JP2000280144A priority Critical patent/JP4403344B2/ja
Priority to TW090121509A priority patent/TW512313B/zh
Priority to US09/948,400 priority patent/US6847599B2/en
Priority to KR1020010055410A priority patent/KR100768614B1/ko
Publication of JP2002092884A publication Critical patent/JP2002092884A/ja
Publication of JP2002092884A5 publication Critical patent/JP2002092884A5/ja
Application granted granted Critical
Publication of JP4403344B2 publication Critical patent/JP4403344B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02Analogue recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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 for track following only
    • 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
    • G11B7/005Reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2000280144A 2000-09-11 2000-09-11 ディスクドライブ装置 Expired - Fee Related JP4403344B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000280144A JP4403344B2 (ja) 2000-09-11 2000-09-11 ディスクドライブ装置
TW090121509A TW512313B (en) 2000-09-11 2001-08-30 Disc drive apparatus
US09/948,400 US6847599B2 (en) 2000-09-11 2001-09-07 Disc drive apparatus
KR1020010055410A KR100768614B1 (ko) 2000-09-11 2001-09-10 디스크 드라이브 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000280144A JP4403344B2 (ja) 2000-09-11 2000-09-11 ディスクドライブ装置

Publications (3)

Publication Number Publication Date
JP2002092884A JP2002092884A (ja) 2002-03-29
JP2002092884A5 JP2002092884A5 (enExample) 2007-02-01
JP4403344B2 true JP4403344B2 (ja) 2010-01-27

Family

ID=18765039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000280144A Expired - Fee Related JP4403344B2 (ja) 2000-09-11 2000-09-11 ディスクドライブ装置

Country Status (4)

Country Link
US (1) US6847599B2 (enExample)
JP (1) JP4403344B2 (enExample)
KR (1) KR100768614B1 (enExample)
TW (1) TW512313B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062078A1 (de) * 2000-12-13 2002-06-20 Thomson Brandt Gmbh Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
TWI228709B (en) * 2002-09-23 2005-03-01 Mediatek Inc Detection system and method for judging areas of optical storage medium
TWI261822B (en) * 2003-01-21 2006-09-11 Hitachi Maxell Optical disk and optical disk recording method, optical disk reproduction method, and optical disk driver
KR100499586B1 (ko) * 2003-05-20 2005-07-07 엘지전자 주식회사 고밀도 광디스크의 복사 방지 정보 관리방법 및 그에 따른고밀도 광디스크와 복사 방지 정보 검출장치
TWI303807B (en) * 2004-09-22 2008-12-01 Lite On It Corp An optical disk drive for compensating wobble signal and method thereof
TWI299493B (en) * 2004-09-23 2008-08-01 Lite On It Corp An optical disk drive for compensating wobble signal and method thereof
JP2006147016A (ja) * 2004-11-18 2006-06-08 Matsushita Electric Ind Co Ltd ディフェクト検出回路
KR20080075521A (ko) * 2005-11-14 2008-08-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 매체 상의 헤더 영역을 검출하는 방법 및 광학드라이브

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833662A (en) * 1985-05-02 1989-05-23 Olympus Optical Co., Ltd. Reproduction apparatus for a magneto-optical recording medium
JP2836539B2 (ja) * 1995-09-06 1998-12-14 日本電気株式会社 記録中ベリファイ装置

Also Published As

Publication number Publication date
US20020031070A1 (en) 2002-03-14
JP2002092884A (ja) 2002-03-29
KR100768614B1 (ko) 2007-10-18
US6847599B2 (en) 2005-01-25
TW512313B (en) 2002-12-01
KR20020020853A (ko) 2002-03-16

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