TW335484B - Method and apparatus for reading data from a disc carrier - Google Patents

Method and apparatus for reading data from a disc carrier

Info

Publication number
TW335484B
TW335484B TW086109287A TW86109287A TW335484B TW 335484 B TW335484 B TW 335484B TW 086109287 A TW086109287 A TW 086109287A TW 86109287 A TW86109287 A TW 86109287A TW 335484 B TW335484 B TW 335484B
Authority
TW
Taiwan
Prior art keywords
data
reading
disc
buffering memory
output
Prior art date
Application number
TW086109287A
Other languages
English (en)
Chinese (zh)
Inventor
Andrew Harold-Barry John
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of TW335484B publication Critical patent/TW335484B/zh

Links

Classifications

    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B27/005—Reproducing at a different information rate from the information rate of 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
    • G11B7/08—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
    • G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
    • G11B2020/10824—Data buffering arrangements, e.g. recording or playback buffers the buffer being used to prevent vibrations or shocks from causing delays
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213—Read-only discs
    • 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
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G11B2220/2529—Mini-discs
    • 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
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
TW086109287A 1996-07-20 1997-07-01 Method and apparatus for reading data from a disc carrier TW335484B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9615279.8A GB9615279D0 (en) 1996-07-20 1996-07-20 Method and apparatus for reading data from a disc carrier

Publications (1)

Publication Number Publication Date
TW335484B true TW335484B (en) 1998-07-01

Family

ID=10797244

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086109287A TW335484B (en) 1996-07-20 1997-07-01 Method and apparatus for reading data from a disc carrier

Country Status (11)

Country Link
US (1) US5995462A (2)
EP (1) EP0852055B1 (2)
JP (1) JPH11513172A (2)
KR (1) KR20000064247A (2)
CN (1) CN1118802C (2)
BR (1) BR9706572A (2)
DE (1) DE69721958T2 (2)
ES (1) ES2198571T3 (2)
GB (1) GB9615279D0 (2)
TW (1) TW335484B (2)
WO (1) WO1998003975A2 (2)

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US6539518B1 (en) * 1999-09-10 2003-03-25 Integrated Memory Logic, Inc. Autodisk controller
JP2001176247A (ja) * 1999-12-14 2001-06-29 Canon Inc 情報再生装置
US6704261B2 (en) 2001-01-25 2004-03-09 Dphi Acquisitions, Inc. Spin motor control in an optical drive
US7680004B2 (en) * 2001-01-25 2010-03-16 Dphi Acquisitions, Inc. Digital servo system with inverse non-linearity compensation
US7672199B2 (en) 2001-01-25 2010-03-02 Dphi Acquisitions, Inc. Close focus algorithm in a digital focus servo system
US6898170B2 (en) 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. PMAD/PSA digital feedback system
US6882601B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
US6809995B2 (en) 2001-01-25 2004-10-26 Dphi Acquisitions, Inc. Digital focus and tracking servo system
US7260031B2 (en) 2001-01-25 2007-08-21 Dphi Acquisitions, Inc. Digital focus and tracking servo system with one-track jump
US7593300B2 (en) 2001-01-25 2009-09-22 Dphi Acquisitions, Inc. Digital tracking servo system with off-format detection
US6965547B2 (en) * 2001-01-25 2005-11-15 Dphi Acquisitions, Inc. Tracking and focus servo system with error signal inverse non-linearity calibration
US6813228B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Tracking and focus servo system with direction sensor
US6970403B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisition, Inc. Calibration of tracking error signal offset in a tracking servo system
US6885619B2 (en) 2001-01-25 2005-04-26 Dphi Acquisitions, Inc. Detector input stray light offset calibration in an optical disk drive
US6922380B2 (en) 2001-01-25 2005-07-26 Dphi Acquisitions, Inc. Tracking and focus servo system with anti-skate algorithm
US6891789B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Tracking and focus servo system with automatic media type detector
US7492675B2 (en) * 2001-01-25 2009-02-17 Dphi Acquisitions, Inc. Digital servo system with calibrated notch filters
US7023776B2 (en) * 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Calibration initiation methods for a tracking and focus servo system
US6847597B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Optical disk drive with a digital focus and tracking servo system
US6847596B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Tracking servo system including a multi-track seek algorithm with a track zero crossing period integrity test
US6956797B2 (en) * 2001-01-25 2005-10-18 Dphi Acquisitions, Inc. Digital servo system with error signal integrity testing
US6950380B2 (en) * 2001-01-25 2005-09-27 Dphi Acquisitions, Inc. Detector input dark current offset calibration in an optical disk drive digital servo
US6904007B2 (en) * 2001-01-25 2005-06-07 Dphi Acquisitions, Inc. Digital servo system with loop gain calibration
US7095683B2 (en) * 2001-01-25 2006-08-22 Dphi Acquisitions, Inc. Tracking and focus digital servo system with write abort
US6970410B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisitions, Inc. Focus detection in a digital focus servo system
US6909676B2 (en) 2001-01-25 2005-06-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with track zero crossing detection
US7196979B2 (en) 2001-01-25 2007-03-27 Dphi Acquisitions, Inc. Calibration storage methods for a digital focus and tracking servo system with calibration
US7414940B2 (en) 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
US6728182B2 (en) 2001-01-25 2004-04-27 Dphi Acquisitions, Inc. Tracking and focus servo system with a media type boundary crossing detector
US6937543B2 (en) 2001-01-25 2005-08-30 Dphi Acquisitions, Inc. Digital focus servo system with a sliding notch filter
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6876609B2 (en) 2001-01-25 2005-04-05 Dphi Acquisitions, Inc. System and method for controlling a spin motor
US6930963B2 (en) 2001-01-25 2005-08-16 Dphi Acquistions, Inc. Tracking and focus servo system with head load
US6781929B2 (en) 2001-01-25 2004-08-24 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek
US7020054B2 (en) * 2001-01-25 2006-03-28 Dphi Acquisitions, Inc. Digital servo system with biased feed-forward
US6958957B2 (en) * 2001-01-25 2005-10-25 Dphi Acquisitions, Inc. Digital tracking and focus servo system with TES to FES crosstalk calibration
US7092322B2 (en) * 2001-01-25 2006-08-15 Dphi Acquisitions, Inc. Calibration of focus error signal offset in a focus servo system
US7782721B2 (en) * 2001-01-25 2010-08-24 Dphi Acquisitions, Inc. Digital focus and tracking servo system with multi-zone calibration
US6813226B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Calibration of a focus sum threshold in a focus servo system
US7016280B2 (en) * 2001-01-25 2006-03-21 Dphi Acquisitions, Inc. Tracking and focus servo system with defect detection
US6906985B2 (en) 2001-01-25 2005-06-14 Dphi Acquisitions, Inc. Calibration of tracking error signal gain in a tracking servo system
US6901040B2 (en) * 2001-01-25 2005-05-31 Dphi Acquisitions, Inc. Kp and Ki lookup system and method
US6762980B2 (en) 2001-01-25 2004-07-13 Dphi Acquisitions, Inc. Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop
US6898164B2 (en) * 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. Close tracking algorithm in a digital tracking servo system
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US6738320B2 (en) 2001-01-25 2004-05-18 Dphi Acquisitions, Inc. System and method for moving optical pick up from current position to target position with smooth control
US6891781B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Digital servo system with second order compensator
US7079459B2 (en) * 2001-01-25 2006-07-18 Dphi Acquisitions, Inc. System and method for performing a spin motor startup operation
US7023766B2 (en) 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Flexible servicing of servo algorithms using a digital signal processor
ES2183737B1 (es) 2001-08-03 2003-12-16 Invest De La Ind Agroalimentar Metodo y dispositivo para la obtencion de rodajas de pulpa de fruta fresca.
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KR20060066097A (ko) * 2003-08-20 2006-06-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 동적 메모리 버퍼
JP2005276351A (ja) * 2004-03-25 2005-10-06 Pioneer Electronic Corp 光記録媒体再生装置
CN101023484A (zh) * 2004-07-30 2007-08-22 汤姆森特许公司 机械震动或摆动情况下在光盘系统中缓冲音频数据的方法
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US7881167B1 (en) * 2005-09-23 2011-02-01 Apple Inc. Systems and methods of shock recovery in writable optical disc systems
US7738768B1 (en) * 2005-12-16 2010-06-15 The Directv Group, Inc. Method and apparatus for increasing the quality of service for digital video services for mobile reception
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Also Published As

Publication number Publication date
DE69721958D1 (de) 2003-06-18
EP0852055A2 (en) 1998-07-08
DE69721958T2 (de) 2004-02-19
EP0852055B1 (en) 2003-05-14
ES2198571T3 (es) 2004-02-01
KR20000064247A (ko) 2000-11-06
CN1118802C (zh) 2003-08-20
WO1998003975A3 (en) 1998-02-26
BR9706572A (pt) 1999-07-20
US5995462A (en) 1999-11-30
JPH11513172A (ja) 1999-11-09
CN1200830A (zh) 1998-12-02
WO1998003975A2 (en) 1998-01-29
GB9615279D0 (en) 1996-09-04

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