KR100768614B1 - 디스크 드라이브 장치 - Google Patents

디스크 드라이브 장치 Download PDF

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Publication number
KR100768614B1
KR100768614B1 KR1020010055410A KR20010055410A KR100768614B1 KR 100768614 B1 KR100768614 B1 KR 100768614B1 KR 1020010055410 A KR1020010055410 A KR 1020010055410A KR 20010055410 A KR20010055410 A KR 20010055410A KR 100768614 B1 KR100768614 B1 KR 100768614B1
Authority
KR
South Korea
Prior art keywords
signal
level
reflected light
detection
header
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
KR1020010055410A
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English (en)
Korean (ko)
Other versions
KR20020020853A (ko
Inventor
하야시쯔네오
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20020020853A publication Critical patent/KR20020020853A/ko
Application granted granted Critical
Publication of KR100768614B1 publication Critical patent/KR100768614B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B20/02—Analogue recording or reproducing
    • 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
    • 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
    • G11B7/0901—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 for track following only
    • 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
    • G11B7/005—Reproducing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020010055410A 2000-09-11 2001-09-10 디스크 드라이브 장치 Expired - Fee Related KR100768614B1 (ko)

Applications Claiming Priority (2)

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
JPJP-P-2000-00280144 2000-09-11

Publications (2)

Publication Number Publication Date
KR20020020853A KR20020020853A (ko) 2002-03-16
KR100768614B1 true KR100768614B1 (ko) 2007-10-18

Family

ID=18765039

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010055410A Expired - Fee Related KR100768614B1 (ko) 2000-09-11 2001-09-10 디스크 드라이브 장치

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

Citations (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
US5689487A (en) * 1995-09-06 1997-11-18 Nec Corporation Verify-while-recording device for optical disk recording apparatus

Patent Citations (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
US5689487A (en) * 1995-09-06 1997-11-18 Nec Corporation Verify-while-recording device for optical disk recording apparatus

Also Published As

Publication number Publication date
US20020031070A1 (en) 2002-03-14
JP2002092884A (ja) 2002-03-29
JP4403344B2 (ja) 2010-01-27
US6847599B2 (en) 2005-01-25
TW512313B (en) 2002-12-01
KR20020020853A (ko) 2002-03-16

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