SG52856A1 - Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal - Google Patents

Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal

Info

Publication number
SG52856A1
SG52856A1 SG1996010953A SG1996010953A SG52856A1 SG 52856 A1 SG52856 A1 SG 52856A1 SG 1996010953 A SG1996010953 A SG 1996010953A SG 1996010953 A SG1996010953 A SG 1996010953A SG 52856 A1 SG52856 A1 SG 52856A1
Authority
SG
Singapore
Prior art keywords
optical disk
reproducing apparatus
variable gain
gain amplifier
reproduction signal
Prior art date
Application number
SG1996010953A
Other languages
English (en)
Inventor
Yasuhiro Hayashi
Hiroshi Shimada
Original Assignee
Toshiba 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 filed Critical Toshiba Kk
Publication of SG52856A1 publication Critical patent/SG52856A1/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005Reproducing at a different information rate from the information rate of recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/28Speed controlling, regulating, or indicating
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36Monitoring, i.e. supervising the progress of recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/21Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213Read-only discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
    • G11B2220/2545CDs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Amplification And Gain Control (AREA)
SG1996010953A 1995-10-27 1996-10-23 Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal SG52856A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28076795A JP3367807B2 (ja) 1995-10-27 1995-10-27 光ディスク再生装置

Publications (1)

Publication Number Publication Date
SG52856A1 true SG52856A1 (en) 1998-09-28

Family

ID=17629680

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010953A SG52856A1 (en) 1995-10-27 1996-10-23 Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal

Country Status (7)

Country Link
US (1) US5784356A (fr)
EP (1) EP0771000B1 (fr)
JP (1) JP3367807B2 (fr)
KR (1) KR100236379B1 (fr)
DE (1) DE69621398T2 (fr)
SG (1) SG52856A1 (fr)
TW (1) TW336314B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11120564A (ja) * 1997-10-08 1999-04-30 Toshiba Corp 光ディスク装置及び光ディスク再生方法
JP3979712B2 (ja) * 1997-10-20 2007-09-19 富士通株式会社 光信号受信装置および方法
US6069866A (en) * 1997-10-23 2000-05-30 Cirrus Logic, Inc. System and method for coarse gain control of wide band amplifiers
US6308298B1 (en) * 1998-11-16 2001-10-23 Ecrix Corporation Method of reacquiring clock synchronization on a non-tracking helical scan tape device
JP2000173153A (ja) 1998-12-07 2000-06-23 Mitsumi Electric Co Ltd 光ディスク装置
JP2000251419A (ja) * 1999-02-26 2000-09-14 Sony Corp 読み出し制御装置、再生装置、記録装置およびその方法
DE19961440A1 (de) * 1999-12-20 2001-06-21 Thomson Brandt Gmbh Gerät zum Lesen und/oder Schreiben optischer Aufzeichnungsträger
JP3989665B2 (ja) 2000-03-03 2007-10-10 株式会社リコー 光情報記録媒体
JP2002251844A (ja) * 2001-02-21 2002-09-06 Mitsumi Electric Co Ltd 光ディスク装置
KR20030023102A (ko) * 2001-09-12 2003-03-19 넥스필전자 주식회사 광 디스크 재생장치의 자동 가인 컨트롤 장치 및 그제어방법
KR100469572B1 (ko) * 2002-03-20 2005-02-02 주식회사 레인콤 광디스크 장치에서의 충격 감지 장치 및 방법
KR100716087B1 (ko) * 2002-05-16 2007-05-09 아사히 가세이 마이크로시스템 가부시끼가이샤 슬루율 제한 회로 및 광 디스크 장치
TWI276065B (en) * 2004-11-01 2007-03-11 Lite On It Corp CD reading method
KR100790967B1 (ko) * 2005-07-27 2008-01-02 삼성전자주식회사 자동이득 조절기의 제어전압을 디지털적으로 제어할 수있는 자동이득 조절기 및 제어방법
WO2007110843A2 (fr) * 2006-03-29 2007-10-04 Koninklijke Philips Electronics N.V. Procédé de sélection de gain pour lecteur de disque et photodétecteur
KR100907218B1 (ko) * 2007-03-28 2009-07-10 삼성전자주식회사 읽기 레벨 제어 장치 및 그 방법
KR100873824B1 (ko) * 2007-05-04 2008-12-15 삼성전자주식회사 오류 제어 코드 장치 및 그 방법
KR101267798B1 (ko) * 2007-08-09 2013-06-04 삼성전자주식회사 읽기 레벨 제어 장치 및 그 방법
JP2009048690A (ja) * 2007-08-16 2009-03-05 Fujitsu Ltd メディア制御装置、メディア制御方法およびメディア制御プログラム
JP5258462B2 (ja) * 2008-09-04 2013-08-07 キヤノン株式会社 光ディスク装置
JP2010152951A (ja) * 2008-12-24 2010-07-08 Toshiba Corp 光ディスク駆動装置
US7924524B2 (en) * 2009-01-09 2011-04-12 International Business Machines Corporation System and method for generating an amplitude error signal in a magnetic tape recording channel
US8130021B2 (en) * 2009-01-09 2012-03-06 International Business Machines Corporation Gain control with multiple integrators
US7982992B2 (en) * 2009-01-09 2011-07-19 International Business Machines Corporation Dual gain control for magnetic data storage system
KR101655306B1 (ko) 2010-02-24 2016-09-07 삼성전자주식회사 메모리 시스템 및 그것의 액세스 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813207A1 (de) * 1978-03-25 1979-10-04 Bosch Gmbh Robert System zur korrektur von signalen, welche frequenzmoduliert von einem aufzeichnungstraeger abgenommen werden
JPS61208634A (ja) * 1985-03-13 1986-09-17 Mitsubishi Electric Corp 情報再生装置
JP3137119B2 (ja) * 1989-06-07 2001-02-19 キヤノン株式会社 誤り訂正装置
US5083304A (en) * 1990-09-28 1992-01-21 Motorola, Inc. Automatic gain control apparatus and method
US5132988A (en) * 1990-12-03 1992-07-21 Board Of Trustees, Leland Stanford Jr. University Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media
US5297184A (en) * 1993-02-01 1994-03-22 Cirrus Logic, Inc. Gain control circuit for synchronous waveform sampling
US5422601A (en) * 1994-07-19 1995-06-06 Analog Devices, Inc. Hybrid analog digital automatic gain control gain recovery system
US5568465A (en) * 1994-10-06 1996-10-22 International Business Machines Corporation Reading from record medium in either an inverted or non-inverted signal-processing mode

Also Published As

Publication number Publication date
DE69621398D1 (de) 2002-07-04
DE69621398T2 (de) 2002-11-14
TW336314B (en) 1998-07-11
EP0771000B1 (fr) 2002-05-29
US5784356A (en) 1998-07-21
JPH09128908A (ja) 1997-05-16
JP3367807B2 (ja) 2003-01-20
EP0771000A2 (fr) 1997-05-02
KR100236379B1 (ko) 1999-12-15
EP0771000A3 (fr) 1997-08-20
KR970023254A (ko) 1997-05-30

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