CA2016558A1 - Appareil de lecture de disques optiques - Google Patents

Appareil de lecture de disques optiques

Info

Publication number
CA2016558A1
CA2016558A1 CA2016558A CA2016558A CA2016558A1 CA 2016558 A1 CA2016558 A1 CA 2016558A1 CA 2016558 A CA2016558 A CA 2016558A CA 2016558 A CA2016558 A CA 2016558A CA 2016558 A1 CA2016558 A1 CA 2016558A1
Authority
CA
Canada
Prior art keywords
optical disk
reproducing apparatus
ram
digital data
track jump
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.)
Granted
Application number
CA2016558A
Other languages
English (en)
Other versions
CA2016558C (fr
Inventor
Alan Wong
Katsuya Hori
Tadao Yoshida
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15216897&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2016558(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Publication of CA2016558A1 publication Critical patent/CA2016558A1/fr
Application granted granted Critical
Publication of CA2016558C publication Critical patent/CA2016558C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/08—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
    • 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
    • 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
    • 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
    • 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
    • G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
    • G11B2020/10703—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control processing rate of the buffer, e.g. by accelerating the data output
    • 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
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10981—Recording or reproducing data when the data rate or the relative speed between record carrier and transducer is variable
    • G11B2020/1099—Recording or reproducing data when the data rate or the relative speed between record carrier and transducer is variable wherein a disc is spun at a variable speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CA002016558A 1989-05-31 1990-05-11 Appareil de lecture de disques optiques Expired - Lifetime CA2016558C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPP138220/89 1989-05-31
JP1138220A JPH033165A (ja) 1989-05-31 1989-05-31 光ディスク再生装置

Publications (2)

Publication Number Publication Date
CA2016558A1 true CA2016558A1 (fr) 1990-11-30
CA2016558C CA2016558C (fr) 1999-10-05

Family

ID=15216897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002016558A Expired - Lifetime CA2016558C (fr) 1989-05-31 1990-05-11 Appareil de lecture de disques optiques

Country Status (7)

Country Link
US (1) US5148417A (fr)
EP (1) EP0400810B1 (fr)
JP (1) JPH033165A (fr)
KR (1) KR100210994B1 (fr)
CA (1) CA2016558C (fr)
DE (1) DE69023393T2 (fr)
MY (1) MY106194A (fr)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04181522A (ja) * 1990-11-16 1992-06-29 Sony Corp 光ディスク装置
DE4104017A1 (de) * 1991-02-09 1992-08-13 Thomson Brandt Gmbh Verfahren zum lesen von daten von einem rotierenden plattenfoermigen aufzeichnungstraeger
JP2970008B2 (ja) * 1991-02-22 1999-11-02 ソニー株式会社 ディスク状記録媒体再生装置
CA2081742C (fr) * 1991-11-13 2000-05-23 Anthony M. Radice Appareil et methode d'enregistrement de donnees aleatoires au moyen d'un magnetoscope numerique
JP2803420B2 (ja) * 1991-12-09 1998-09-24 松下電器産業株式会社 トラッキング制御装置
JP3084916B2 (ja) * 1992-03-31 2000-09-04 ソニー株式会社 ディスクプレーヤの再生データ処理回路
EP0578312B1 (fr) * 1992-07-07 1999-10-06 Koninklijke Philips Electronics N.V. Dispositif de décodage d'un flux de données entrelacé temporellement à protection d'erreurs par mots et à détection de sauts de FIFO
KR940007852A (ko) * 1992-09-16 1994-04-28 윤종용 씨디-롬 시스템의 디지탈 노이즈 음 제거회로
KR950004555B1 (ko) * 1992-10-12 1995-05-02 현대전자산업주식회사 데이타 저장방식의 컴팩트디스크 플레이어 회로
JP2902240B2 (ja) * 1992-12-28 1999-06-07 アルパイン株式会社 ディスク演奏方法
EP0607861B1 (fr) * 1993-01-21 2000-04-05 Hitachi, Ltd. Appareil de reproduction de disque
EP0638900B1 (fr) * 1993-08-14 2001-01-31 Kabushiki Kaisha Toshiba Appareil de reproduction et circuit de traitement de signaux pour des données enregistrées sur un disque
JP3321950B2 (ja) * 1993-12-22 2002-09-09 ソニー株式会社 ディスクプレーヤおよびその再生データの処理方法
TW279228B (fr) * 1994-12-16 1996-06-21 Detutsche Thomson Brandt Gmbh
DE4445013A1 (de) * 1994-12-16 1996-06-20 Thomson Brandt Gmbh Erschütterungsresistentes Abspielgerät mit verbesserter Synchronisation
KR100195015B1 (ko) * 1996-06-21 1999-06-15 윤종용 메모리 제어장치 및 방법
DE19650054B4 (de) * 1996-12-03 2009-04-09 Robert Bosch Gmbh Plattenspieler zum Abspielen von Platten mit optisch gespeicherten Daten
KR100235438B1 (ko) 1997-02-04 1999-12-15 구자홍 광디스크의 오디오재생신호 보상처리방법 및 장치
CN1077709C (zh) * 1997-06-13 2002-01-09 明碁电脑股份有限公司 光盘系统的清洁方法
TW359811B (en) * 1997-09-23 1999-06-01 Mediatek Inc CD playback system with synchronous and anti-vibration functions
NL1007870C2 (nl) * 1997-12-23 1999-06-30 United Microelectronics Corp Compact disc-spelersysteem met een voor trilling ongevoelig vermogen tot ononderbroken afspelen.
JP3862875B2 (ja) * 1998-10-29 2006-12-27 パイオニア株式会社 ディスク再生装置
US6853385B1 (en) * 1999-11-09 2005-02-08 Broadcom Corporation Video, audio and graphics decode, composite and display system
US7982740B2 (en) 1998-11-09 2011-07-19 Broadcom Corporation Low resolution graphics mode support using window descriptors
US6768774B1 (en) 1998-11-09 2004-07-27 Broadcom Corporation Video and graphics system with video scaling
US6798420B1 (en) 1998-11-09 2004-09-28 Broadcom Corporation Video and graphics system with a single-port RAM
US7446774B1 (en) 1998-11-09 2008-11-04 Broadcom Corporation Video and graphics system with an integrated system bridge controller
US6738072B1 (en) 1998-11-09 2004-05-18 Broadcom Corporation Graphics display system with anti-flutter filtering and vertical scaling feature
US6661422B1 (en) * 1998-11-09 2003-12-09 Broadcom Corporation Video and graphics system with MPEG specific data transfer commands
US6573905B1 (en) 1999-11-09 2003-06-03 Broadcom Corporation Video and graphics system with parallel processing of graphics windows
US6636222B1 (en) 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
US6243329B1 (en) 1999-01-06 2001-06-05 Visteon Global Technologies, Inc. Method of enhanced compression rate for a multi-disc CD player
US6205097B1 (en) * 1999-01-06 2001-03-20 Visteon Global Technologies, Inc. Method of enhanced data compression rate for a CD player
US6636269B1 (en) * 1999-08-18 2003-10-21 Webtv Networks, Inc. Video timing system and method
US9668011B2 (en) 2001-02-05 2017-05-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Single chip set-top box system
US6975324B1 (en) 1999-11-09 2005-12-13 Broadcom Corporation Video and graphics system with a video transport processor
US6396777B1 (en) * 2000-05-30 2002-05-28 Delphi Technologies, Inc. Compact disk player instant-on feature
US7020305B2 (en) * 2000-12-06 2006-03-28 Microsoft Corporation System and method providing improved head motion estimations for animation
US20040068917A1 (en) * 2002-10-10 2004-04-15 Chan Chi T. Portable insect capturing apparatus
WO2004051645A1 (fr) * 2002-12-04 2004-06-17 Koninklijke Philips Electronics N.V. Lecteur de media a commande adaptative de tampon de reproduction
US8063916B2 (en) 2003-10-22 2011-11-22 Broadcom Corporation Graphics layer reduction for video composition
TWI238994B (en) * 2003-10-31 2005-09-01 Asustek Comp Inc Method for retrieving the data from optical disk and optical disk drive for executing the method
JP2010176760A (ja) * 2009-01-30 2010-08-12 Pioneer Electronic Corp 記録媒体再生装置、記録媒体再生方法、記録媒体再生プログラムおよび記録媒体再生プログラムを格納した記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8407223A (pt) * 1983-12-16 1985-11-26 Sony Corp Aparelho para reproducao de discos
JPS62150560A (ja) * 1985-12-25 1987-07-04 Hitachi Ltd デイスク再生装置
DE3619258A1 (de) * 1986-06-07 1987-12-10 Blaupunkt Werke Gmbh Compact disc (cd)-spieler
KR910005644B1 (ko) * 1986-09-19 1991-08-01 가부시키가이샤 도시바 디스크재생장치
US4882642A (en) * 1987-07-02 1989-11-21 International Business Machines Corporation Sequentially processing data in a cached data storage system
US4932018A (en) * 1987-11-19 1990-06-05 Sanyo Electric Co., Ltd. Integrated circuit for generating indexing data in a CD player

Also Published As

Publication number Publication date
DE69023393T2 (de) 1996-04-18
DE69023393D1 (de) 1995-12-14
EP0400810A3 (fr) 1992-05-20
EP0400810B1 (fr) 1995-11-08
US5148417A (en) 1992-09-15
EP0400810A2 (fr) 1990-12-05
JPH033165A (ja) 1991-01-09
KR900018931A (ko) 1990-12-22
CA2016558C (fr) 1999-10-05
KR100210994B1 (ko) 1999-07-15
MY106194A (en) 1995-03-31

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry