SG42830A1 - Disc data reproducing apparatus and signal processing circuit - Google Patents

Disc data reproducing apparatus and signal processing circuit

Info

Publication number
SG42830A1
SG42830A1 SG1995002350A SG1995002350A SG42830A1 SG 42830 A1 SG42830 A1 SG 42830A1 SG 1995002350 A SG1995002350 A SG 1995002350A SG 1995002350 A SG1995002350 A SG 1995002350A SG 42830 A1 SG42830 A1 SG 42830A1
Authority
SG
Singapore
Prior art keywords
signal processing
processing circuit
reproducing apparatus
data reproducing
disc data
Prior art date
Application number
SG1995002350A
Other languages
English (en)
Inventor
Kobata Hiroshi
Inagawa Jun
Hayashi Yasuhiro
Original Assignee
Toshiba Kk
Toshiba Ave Kk
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 Toshiba Kk, Toshiba Ave Kk filed Critical Toshiba Kk
Publication of SG42830A1 publication Critical patent/SG42830A1/en

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
    • 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
    • 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
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1866—Error detection or correction; Testing, e.g. of drop-outs by interleaving
    • 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
    • G11B2020/10814—Data buffering arrangements, e.g. recording or playback buffers involving specific measures to prevent a buffer underrun
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
SG1995002350A 1993-08-14 1994-08-10 Disc data reproducing apparatus and signal processing circuit SG42830A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22217993 1993-08-14
JP30083693 1993-11-08
JP5135094 1994-02-23

Publications (1)

Publication Number Publication Date
SG42830A1 true SG42830A1 (en) 1997-10-17

Family

ID=27294284

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995002350A SG42830A1 (en) 1993-08-14 1994-08-10 Disc data reproducing apparatus and signal processing circuit

Country Status (9)

Country Link
US (5) US5856963A (cs)
EP (1) EP0638900B1 (cs)
JP (1) JP2610397B2 (cs)
KR (1) KR0179353B1 (cs)
CN (1) CN1083128C (cs)
DE (1) DE69426636T2 (cs)
MY (1) MY114253A (cs)
SG (1) SG42830A1 (cs)
TW (2) TW273025B (cs)

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US5877907A (en) * 1995-11-22 1999-03-02 Fujitsu Limited Apparatus and method for demodulating data signals read from a recording medium
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JPH10154021A (ja) * 1996-09-30 1998-06-09 Toshiba Corp クロック切換装置およびクロック切換方法
US6246650B1 (en) 1996-12-18 2001-06-12 Sony Corporation Method and apparatus for high speed data reproduction
JP3607048B2 (ja) * 1997-06-26 2005-01-05 株式会社東芝 ディスク再生装置及びデータスライス回路
JPH11308887A (ja) * 1998-04-21 1999-11-05 Rohm Co Ltd ディスク駆動システム
US6177892B1 (en) 1998-12-31 2001-01-23 Oak Technology, Inc. EFM/DVD demodulator
JP2001351331A (ja) * 2000-06-06 2001-12-21 Sony Corp メモリ制御装置
JP3520032B2 (ja) * 2000-06-14 2004-04-19 松下電器産業株式会社 データ処理装置
GB2366461B (en) * 2000-08-31 2004-06-23 Element 14 Inc Switched supply for operational amplifier
US7171156B2 (en) * 2001-08-13 2007-01-30 Thomson Licensing Method and apparatus for transmitting audio and non-audio information with error correction
US6778229B2 (en) * 2001-10-02 2004-08-17 Fujitsu Display Technologies Corporation Liquid crystal display device and method of fabricating the same
TW527824B (en) * 2002-03-12 2003-04-11 Via Tech Inc Adative-deflicker processing method and adaptive deflicker filter
TW563353B (en) * 2002-03-12 2003-11-21 Via Tech Inc Clock signal synthesizer with multiple frequency outputs and method for synthesizing clock signal
TW561783B (en) * 2002-03-12 2003-11-11 Via Tech Inc Image processing method and device
KR100505643B1 (ko) * 2002-10-07 2005-08-03 삼성전자주식회사 기록 시간 단축 장치 및 방법
KR100932510B1 (ko) * 2003-01-24 2009-12-17 엘지전자 주식회사 고밀도 광디스크의 재생속도 정보 관리방법
US20050128874A1 (en) * 2003-12-15 2005-06-16 Chevron U.S.A. Inc. Methods for acquiring and processing seismic data from quasi-simultaneously activated translating energy sources
KR100539260B1 (ko) * 2004-05-04 2005-12-27 삼성전자주식회사 적응적으로 ｅｆｍ 디모듈레이션 포인트를 재정렬하는ｅｆｍ 복조부를 갖는 기록 매체, 그 재생 장치 및 재생방법
JP2006128830A (ja) * 2004-10-26 2006-05-18 Sony Corp 再生装置、データ処理システム、再生方法、プログラムおよび記録媒体
JP4527001B2 (ja) * 2005-05-09 2010-08-18 アルパイン株式会社 タイミング調整回路およびオーディオ装置
US8117039B2 (en) * 2008-12-15 2012-02-14 Ericsson Television, Inc. Multi-staging recursive audio frame-based resampling and time mapping
TWI406249B (zh) 2009-06-02 2013-08-21 Sitronix Technology Corp 液晶點反轉驅動電路
JP2021034088A (ja) * 2019-08-28 2021-03-01 株式会社東芝 磁気ディスク装置、および該磁気ディスク装置のデータ保護方法
CN115686430A (zh) * 2021-07-30 2023-02-03 北京京东方技术开发有限公司 Fifo存储系统及fifo存储器控制方法

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DE3373250D1 (en) * 1982-06-15 1987-10-01 Toshiba Kk Pulse-width modulation circuit
JPS5990262A (ja) * 1982-11-15 1984-05-24 Nippon Gakki Seizo Kk デイスクの再生装置
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JPH06119710A (ja) * 1992-10-05 1994-04-28 Hitachi Ltd ディスク再生装置
JP2920034B2 (ja) * 1992-12-28 1999-07-19 株式会社東芝 ディスク再生装置及び信号処理回路
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JP2606090B2 (ja) * 1993-07-14 1997-04-30 日本電気株式会社 光学的情報制御装置
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US5729515A (en) * 1994-05-26 1998-03-17 Kabushiki Kaisha Toshiba Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data
JP3438747B2 (ja) * 1994-06-29 2003-08-18 ソニー株式会社 ディスク再生装置
JPH0850758A (ja) * 1994-08-04 1996-02-20 Teac Corp 光ディスク再生装置
TW272280B (cs) * 1994-08-08 1996-03-11 Hitachi Seisakusyo Kk
US5508985A (en) * 1994-10-11 1996-04-16 Eastman Kodak Company Method for detecting and processing synchronization marks extracted from a prerecorded wobbled groove on a compact disk
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Also Published As

Publication number Publication date
US5835464A (en) 1998-11-10
EP0638900A2 (en) 1995-02-15
CN1111786A (zh) 1995-11-15
CN1083128C (zh) 2002-04-17
US5856963A (en) 1999-01-05
JPH07287940A (ja) 1995-10-31
KR0179353B1 (ko) 1999-04-15
TW273025B (cs) 1996-03-21
EP0638900A3 (en) 1996-04-03
DE69426636D1 (de) 2001-03-08
DE69426636T2 (de) 2001-06-21
EP0638900B1 (en) 2001-01-31
US6061315A (en) 2000-05-09
MY114253A (en) 2002-09-30
JP2610397B2 (ja) 1997-05-14
TW284878B (cs) 1996-09-01
US5822289A (en) 1998-10-13
KR950006811A (ko) 1995-03-21
US5856962A (en) 1999-01-05

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