BR9706572A - Processo e disposição para leitura de dados a partir de um carregador de disco rotativo - Google Patents

Processo e disposição para leitura de dados a partir de um carregador de disco rotativo

Info

Publication number
BR9706572A
BR9706572A BR9706572A BR9706572A BR9706572A BR 9706572 A BR9706572 A BR 9706572A BR 9706572 A BR9706572 A BR 9706572A BR 9706572 A BR9706572 A BR 9706572A BR 9706572 A BR9706572 A BR 9706572A
Authority
BR
Brazil
Prior art keywords
arrangement
rotating disc
reading data
disc loader
loader
Prior art date
Application number
BR9706572A
Other languages
English (en)
Inventor
John Andrew Harold-Barry
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
Publication of BR9706572A publication Critical patent/BR9706572A/pt

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)
BR9706572A 1996-07-20 1997-06-25 Processo e disposição para leitura de dados a partir de um carregador de disco rotativo BR9706572A (pt)

Applications Claiming Priority (2)

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
PCT/IB1997/000775 WO1998003975A2 (en) 1996-07-20 1997-06-25 Method and apparatus for reading data from a disc carrier

Publications (1)

Publication Number Publication Date
BR9706572A true BR9706572A (pt) 1999-07-20

Family

ID=10797244

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9706572A BR9706572A (pt) 1996-07-20 1997-06-25 Processo e disposição para leitura de dados a partir de um carregador de disco rotativo

Country Status (11)

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

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JP3073969B2 (ja) * 1998-09-29 2000-08-07 松下電器産業株式会社 光ディスク再生装置、及びその制御方法
US6205097B1 (en) * 1999-01-06 2001-03-20 Visteon Global Technologies, Inc. Method of enhanced data compression rate for a CD player
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
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
US6847597B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Optical disk drive with a digital focus and tracking servo system
US6937543B2 (en) 2001-01-25 2005-08-30 Dphi Acquisitions, Inc. Digital focus servo system with a sliding notch filter
US7782721B2 (en) * 2001-01-25 2010-08-24 Dphi Acquisitions, Inc. Digital focus and tracking servo system with multi-zone calibration
US6950380B2 (en) * 2001-01-25 2005-09-27 Dphi Acquisitions, Inc. Detector input dark current offset calibration in an optical disk drive digital servo
US7492675B2 (en) * 2001-01-25 2009-02-17 Dphi Acquisitions, Inc. Digital servo system with calibrated notch filters
US6876609B2 (en) 2001-01-25 2005-04-05 Dphi Acquisitions, Inc. System and method for controlling a spin motor
US6970410B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisitions, Inc. Focus detection in a digital focus servo system
US6901040B2 (en) * 2001-01-25 2005-05-31 Dphi Acquisitions, Inc. Kp and Ki lookup system and method
US6885619B2 (en) 2001-01-25 2005-04-26 Dphi Acquisitions, Inc. Detector input stray light offset calibration in an optical disk drive
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
US7016280B2 (en) * 2001-01-25 2006-03-21 Dphi Acquisitions, Inc. Tracking and focus servo system with defect detection
US6891781B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Digital servo system with second order compensator
US7023776B2 (en) * 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Calibration initiation methods for a tracking and focus servo system
US6922380B2 (en) 2001-01-25 2005-07-26 Dphi Acquisitions, Inc. Tracking and focus servo system with anti-skate algorithm
US7095683B2 (en) * 2001-01-25 2006-08-22 Dphi Acquisitions, Inc. Tracking and focus digital servo system with write abort
US7196979B2 (en) 2001-01-25 2007-03-27 Dphi Acquisitions, Inc. Calibration storage methods for a digital focus and tracking servo system with calibration
US6909676B2 (en) 2001-01-25 2005-06-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with track zero crossing detection
US6906985B2 (en) 2001-01-25 2005-06-14 Dphi Acquisitions, Inc. Calibration of tracking error signal gain in a tracking servo system
US6813228B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Tracking and focus servo system with direction sensor
US6809995B2 (en) 2001-01-25 2004-10-26 Dphi Acquisitions, Inc. Digital focus and tracking servo system
US6704261B2 (en) 2001-01-25 2004-03-09 Dphi Acquisitions, Inc. Spin motor control in an optical drive
US7593300B2 (en) 2001-01-25 2009-09-22 Dphi Acquisitions, Inc. Digital tracking servo system with off-format detection
US6781929B2 (en) 2001-01-25 2004-08-24 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek
US6956797B2 (en) * 2001-01-25 2005-10-18 Dphi Acquisitions, Inc. Digital servo system with error signal integrity testing
US6970403B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisition, Inc. Calibration of tracking error signal offset in a tracking servo system
US6882601B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
US6898164B2 (en) * 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. Close tracking algorithm in a digital tracking servo system
US6882603B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital tracking servo system with tracking skate detection
US7672199B2 (en) 2001-01-25 2010-03-02 Dphi Acquisitions, Inc. Close focus algorithm in a digital focus servo system
US7414940B2 (en) 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
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
US6891789B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Tracking and focus servo system with automatic media type detector
US6904007B2 (en) * 2001-01-25 2005-06-07 Dphi Acquisitions, Inc. Digital servo system with loop gain calibration
US7680004B2 (en) * 2001-01-25 2010-03-16 Dphi Acquisitions, Inc. Digital servo system with inverse non-linearity compensation
US6930963B2 (en) 2001-01-25 2005-08-16 Dphi Acquistions, Inc. Tracking and focus servo system with head load
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
US6813226B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Calibration of a focus sum threshold in a focus servo system
US7079459B2 (en) * 2001-01-25 2006-07-18 Dphi Acquisitions, Inc. System and method for performing a spin motor startup operation
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
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US6898170B2 (en) 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. PMAD/PSA digital feedback system
US7023766B2 (en) 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Flexible servicing of servo algorithms using a digital signal processor
US6728182B2 (en) 2001-01-25 2004-04-27 Dphi Acquisitions, Inc. Tracking and focus servo system with a media type boundary crossing detector
US7260031B2 (en) 2001-01-25 2007-08-21 Dphi Acquisitions, Inc. Digital focus and tracking servo system with one-track jump
US7092322B2 (en) * 2001-01-25 2006-08-15 Dphi Acquisitions, Inc. Calibration of focus error signal offset in a focus servo system
US6965547B2 (en) * 2001-01-25 2005-11-15 Dphi Acquisitions, Inc. Tracking and focus servo system with error signal inverse non-linearity calibration
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.
US7042813B2 (en) * 2002-05-13 2006-05-09 Texas Instruments Incorporated Shock protection for compressed audio on a CD player
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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
EP1771855B1 (en) * 2004-07-30 2007-12-19 Thomson Licensing Method for buffering audio data in optical disc systems in case of mechanical shocks or vibrations
US7430158B1 (en) 2004-12-13 2008-09-30 Chris Tanner Music player with adjustable pitch controller
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
US20070223339A1 (en) * 2006-03-19 2007-09-27 Li-Lien Lin Method and apparatus for adjusting buffering of data read from optical storage medium by comparing actual position information with expected position information
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Also Published As

Publication number Publication date
CN1118802C (zh) 2003-08-20
WO1998003975A3 (en) 1998-02-26
EP0852055B1 (en) 2003-05-14
JPH11513172A (ja) 1999-11-09
EP0852055A2 (en) 1998-07-08
DE69721958D1 (de) 2003-06-18
KR20000064247A (ko) 2000-11-06
TW335484B (en) 1998-07-01
WO1998003975A2 (en) 1998-01-29
CN1200830A (zh) 1998-12-02
US5995462A (en) 1999-11-30
ES2198571T3 (es) 2004-02-01
GB9615279D0 (en) 1996-09-04
DE69721958T2 (de) 2004-02-19

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Legal Events

Date Code Title Description
TC Change of name
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1930 DE 02/01/2008.