SG134978A1 - Apparatus for recording and/or reproducing data - Google Patents

Apparatus for recording and/or reproducing data

Info

Publication number
SG134978A1
SG134978A1 SG200207752-7A SG2002077527A SG134978A1 SG 134978 A1 SG134978 A1 SG 134978A1 SG 2002077527 A SG2002077527 A SG 2002077527A SG 134978 A1 SG134978 A1 SG 134978A1
Authority
SG
Singapore
Prior art keywords
recording
reproducing data
reproducing
data
Prior art date
Application number
SG200207752-7A
Other languages
English (en)
Inventor
Seong-Sin Joo
In-Sik Park
Byung-In Ma
Chong-Sam Chung
Jang-Hoon Yoo
Jung-Wan Ko
Kyung-Geun Lee
Joong-Eon Seo
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of SG134978A1 publication Critical patent/SG134978A1/en

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
    • G11B7/007—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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G11B7/08—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
    • G11B7/0938—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 servo format, e.g. 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
    • G11B7/08—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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
SG200207752-7A 1998-08-29 1999-08-26 Apparatus for recording and/or reproducing data SG134978A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR19980035422 1998-08-29
KR19980035421 1998-08-29
KR1019990008482A KR100618962B1 (ko) 1998-08-29 1999-03-13 서보 에러 검출 방법, 이에 적합한 장치, 트랙킹 에러 검출 방법, 그리고 틸트 에러 검출방법

Publications (1)

Publication Number Publication Date
SG134978A1 true SG134978A1 (en) 2007-09-28

Family

ID=38169480

Family Applications (3)

Application Number Title Priority Date Filing Date
SG200207792-3A SG134979A1 (en) 1998-08-29 1999-08-26 Method for detecting servo errors from a disk
SG9904192A SG115328A1 (en) 1998-08-29 1999-08-26 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method for controlling servo of disk recording/reproducing apparatus, method for detecting tracking error, and method for detecting tilt error
SG200207752-7A SG134978A1 (en) 1998-08-29 1999-08-26 Apparatus for recording and/or reproducing data

Family Applications Before (2)

Application Number Title Priority Date Filing Date
SG200207792-3A SG134979A1 (en) 1998-08-29 1999-08-26 Method for detecting servo errors from a disk
SG9904192A SG115328A1 (en) 1998-08-29 1999-08-26 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method for controlling servo of disk recording/reproducing apparatus, method for detecting tracking error, and method for detecting tilt error

Country Status (12)

Country Link
US (8) US6469979B1 (fr)
EP (4) EP1308940B1 (fr)
JP (9) JP2000076681A (fr)
KR (1) KR100618962B1 (fr)
CN (4) CN1236433C (fr)
BR (3) BR9917654B1 (fr)
DE (2) DE69936598T2 (fr)
HK (3) HK1037775A1 (fr)
ID (1) ID23764A (fr)
MY (2) MY122541A (fr)
SG (3) SG134979A1 (fr)
TW (1) TW451184B (fr)

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KR100375223B1 (ko) * 2000-11-21 2003-03-07 엘지전자 주식회사 광픽업 장치 및 광픽업 틸트 제어방법
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KR20050052606A (ko) * 2003-11-28 2005-06-03 삼성전자주식회사 정보저장매체, 이에 기록된 정보재생방법 및 장치
TWI230930B (en) * 2003-12-01 2005-04-11 Mediatek Inc Protecting method and related apparatus for accurate header detection
US20060153048A1 (en) * 2003-12-01 2006-07-13 Kuo-Jung Lan Protection window signal generator for header detection and method thereof
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US7133235B2 (en) * 2004-02-25 2006-11-07 Hitachi Global Storage Technologies Netherlands, B.V. System and method for correcting for head tilt in HDD
TWI288397B (en) 2004-05-12 2007-10-11 Mediatek Inc Method and related apparatus for dynamically adjust a RF gain while accessing a DVD-RAM optical disc
US20070133365A1 (en) * 2005-12-12 2007-06-14 Shih-Hao Ko Tilt calibration apparatus and method capable of adjusting included angle between optical pick-up head and optical disc according to wobble signal
US7724090B2 (en) * 2006-06-05 2010-05-25 Mediatek Inc. Loop control apparatus and method thereof
US7684291B2 (en) * 2006-06-05 2010-03-23 Mediatek Inc. Method and apparatus for blank detection of an optical disc
US20070280079A1 (en) * 2006-06-05 2007-12-06 Yuh Cheng Asymmetry measurement apparatus
US7796480B2 (en) * 2006-06-05 2010-09-14 Mediatek Inc. Apparatus and methods for light spot servo signal detection
TWI332658B (en) * 2006-06-14 2010-11-01 Realtek Semiconductor Corp Tilt error detecting apparatus, tilt calibration apparatus, tilt error detecting method and tilt calibration method
TW201142838A (en) * 2010-05-25 2011-12-01 Quanta Storage Inc Method for detecting obliquity of optical disk drive
TW201225075A (en) * 2010-12-02 2012-06-16 Quanta Storage Inc Method for detecting obliquity of optical disc drive
US11175466B2 (en) 2015-07-02 2021-11-16 Senko Advanced Components, Inc. Bayonet lock MPO connector

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US5751512A (en) * 1994-01-28 1998-05-12 Seagate Technology, Inc. Data storage format for data storage devices having a radial offset between read and write elements
US5796543A (en) * 1994-08-26 1998-08-18 Quantum Corporation Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive

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US5257149A (en) * 1991-02-13 1993-10-26 Seagate Technology, Inc. Disc drive with offset address field
US5751512A (en) * 1994-01-28 1998-05-12 Seagate Technology, Inc. Data storage format for data storage devices having a radial offset between read and write elements
US5796543A (en) * 1994-08-26 1998-08-18 Quantum Corporation Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive

Also Published As

Publication number Publication date
US20060092789A1 (en) 2006-05-04
EP1308940A1 (fr) 2003-05-07
CN1246845C (zh) 2006-03-22
US20080068957A1 (en) 2008-03-20
JP2000076681A (ja) 2000-03-14
TW451184B (en) 2001-08-21
EP1308940B1 (fr) 2007-07-18
BR9917653B1 (pt) 2012-01-10
EP0984436A3 (fr) 2002-03-13
CN1246703A (zh) 2000-03-08
DE69937132T2 (de) 2008-06-19
HK1037776A1 (en) 2002-02-15
CN1236433C (zh) 2006-01-11
CN1316732A (zh) 2001-10-10
US20030128637A1 (en) 2003-07-10
JP2002083437A (ja) 2002-03-22
JP2002109752A (ja) 2002-04-12
JP2003030880A (ja) 2003-01-31
EP0984436A2 (fr) 2000-03-08
DE69936598D1 (de) 2007-08-30
DE69936598T2 (de) 2008-04-30
MY122151A (en) 2006-03-31
EP1308941A1 (fr) 2003-05-07
DE69937132D1 (de) 2007-10-31
KR20000016835A (ko) 2000-03-25
EP0984436B1 (fr) 2007-09-19
JP4527321B2 (ja) 2010-08-18
JP2003067957A (ja) 2003-03-07
US6721243B2 (en) 2004-04-13
KR100618962B1 (ko) 2006-09-01
CN1236430C (zh) 2006-01-11
US7590034B2 (en) 2009-09-15
MY122541A (en) 2006-04-29
JP2004265593A (ja) 2004-09-24
US7167424B2 (en) 2007-01-23
CN1316730A (zh) 2001-10-10
JP2002083435A (ja) 2002-03-22
BR9917654B1 (pt) 2012-01-10
JP2002074715A (ja) 2002-03-15
JP2001155361A (ja) 2001-06-08
ID23764A (id) 2000-05-11
SG134979A1 (en) 2007-09-28
US6469979B1 (en) 2002-10-22
US7110334B2 (en) 2006-09-19
HK1037777A1 (en) 2002-02-15
US7319643B2 (en) 2008-01-15
US20030169650A1 (en) 2003-09-11
CN1236428C (zh) 2006-01-11
US6556520B1 (en) 2003-04-29
US6556521B1 (en) 2003-04-29
EP1293972A3 (fr) 2003-05-07
EP1293972A2 (fr) 2003-03-19
BR9903978A (pt) 2000-09-05
HK1037775A1 (en) 2002-02-15
US20050169129A1 (en) 2005-08-04
SG115328A1 (en) 2005-10-28
CN1316736A (zh) 2001-10-10

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