KR900010669A - 디스크 기록매체를 이용한 데이터 기록/재생장치 및 그에 사용되는 등화장치 - Google Patents

디스크 기록매체를 이용한 데이터 기록/재생장치 및 그에 사용되는 등화장치 Download PDF

Info

Publication number
KR900010669A
KR900010669A KR1019890019146A KR890019146A KR900010669A KR 900010669 A KR900010669 A KR 900010669A KR 1019890019146 A KR1019890019146 A KR 1019890019146A KR 890019146 A KR890019146 A KR 890019146A KR 900010669 A KR900010669 A KR 900010669A
Authority
KR
South Korea
Prior art keywords
signal
equalizer
output
analog
digital converter
Prior art date
Application number
KR1019890019146A
Other languages
English (en)
Other versions
KR930002879B1 (ko
Inventor
도시유끼 시마다
가즈히로 아오끼
아끼라 구라하시
노보루 기꾸지
Original Assignee
다니이 아끼오
마쯔시다 덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다 덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR900010669A publication Critical patent/KR900010669A/ko
Application granted granted Critical
Publication of KR930002879B1 publication Critical patent/KR930002879B1/ko

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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/1053—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed to compensate for the magnetic domain drift or time shift
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
    • 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

내용 없음

Description

디스크 기록매체를 이용한 데이터 기록/재생장치 및 그에 사용되는 등화장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제8도는 본 발명의 실시예로 데이터재생부의 블록도, 제9도는 본 발명에 의한 고정등화기블록의 제1실시예의 회로도, 제10도는 본 발명에 의한 고정등화기블록의 제2실시예의 회로도.

Claims (9)

  1. 디스크상에 형성된 복수의 트랙을 갖는 디스크 기록매체상에 신호를 기록하고 상기의 디스크 기록매체로부터 신호를 재생하기 위한 기록/재생수단과, 상기의 기록/재생수단으로부터의 제1재생신호로부터 서어보신호를 추출하기 위한 서오보신호추출기와, 제1재생신호로부터 재생클록을 추출하기 위한 클록재생기와, 상기의 기록/재생수단으로부터의 제2재생신호와 제1재생신호를 전환하기 위한 스위치와, 트랙의 폭방향과 길이방향의 2차원적 등화에 의한 상기 스위치의 출력신호를 등화하기 위한 등화기블록과, 상기 등화기블록의 출력으로부터의 어드레스신호를 해독하기 위한 어드레스디코더와, 상기 어드레스디코더의 출력을 이용하는 상기의 등화기블록과 상기의 스위치를 제어하기 위한 제어기로서 구성된 것을 특징으로 하는 디스크 기록매체를 이용한 데이터 기록/재생장치.
  2. 디스크상에 형성된 복수의 트랙을 갖는 광디스크에 대해 기록과 재생을 실행하기 위한 광학헤드와, 상기 광학헤드로부터의 제1재생신호로부터 서오보신호를 추출하기 위한 서오보신호추출기와, 제1재생신호로부터 재생클록을 추출하기 위한 클록재생기와, 상기의 광학헤드로부터의 제1재생신호와 제2재생신호를 전환하기 위한 스위치와, 트랙의 길이방향과 폭방향의 2차원적 등화에 의해 상기 스위치의 출력신호를 등화하기 위한 등화기블록과, 상기 등화기블록의 출력으로 부터의 어드레스신호를 해독하기 위한 어드레스디코더와, 상기 어드레스디코더의 출력을 사용하는 상기의 등화기블록과 상기의 스위치를 제어하기 위한 제어기로서 구성된 것을 특징으로 하는 디스크 기록매체를 이용한 데이터 기록/재생장치.
  3. 디스크 기록매체로부터의 재생신호를 샘플링하고 양자화하여 출력하기 위한 애널로그-디지틀 변환기와, 상기의 애널로그-디지틀 변환기로부터 출력되는 복수트랙의 신호열을 저장하기 위한 기억장치와, 상기의 기억장치에 저장되어 있는 복수트랙의 신호열을 동시에 판독하고, 트랙폭방향의 파간섭과 인접트랙으로 부터의 파간섭중의 하나를 등화하기 위한 등화기로서 구성된 것을 특징으로 하는 등화장치.
  4. 제3항에 있어서, 애널로그-디지틀 변환기의 샘플링 비율은 재생신호의 채널비트 비율과 동등한 것을 특징으로 하는 등화장치.
  5. 디스크 기록매체로부터의 재생신호를 샘플링하고 양자화하여 출력하기 위한 애널로그-디지틀 변환기와 상기 애널로그-디지틀 변환기로부터 출력된 복수트랙의 신호열을 저장하기 위한 기억장치와 상기의 기억장치에 저장되어 있는 복수트랙의 신호열을 동시에 판독하고, 트랙의 길이방향의 파간섭과 인접트랙으로부터의 파간섭중의 하나를 등화하기 위한 등화기와, 상기 등화기의 출력으로부터 애널로그-디지틀 변환기로부터 출력된 디지틀신호의 부호를 검출하기 위한 부호검출기와, 상기 등화기의 출력의 오차와 상기 부호검출기의 출력의 오차를 최소로 할 수 있게끔 상기 등화기의 특성을 변화시키기 위한 계수 제어회로로서 구성된 것을 특징으로 하는 등화장치.
  6. 제5항에 있어서, 애널로그-디지틀 변환기의 샘플링 비율은 재생신호의 채널비트 비율과 동등한 것을 특징으로 하는 등화장치.
  7. 디스크 기록매체로부터의 재생신호를 샘플링하고 양자화하여 출력하기 위한 애널로그-디지틀 변환기와, 상기의 애널로그-디지틀 변환기로부터 출력된 복수트랙의 신호열을 저장하기 위한 기억장치와, 상기의 기억장치에 저장되어 있는 복수트랙의 신호열을 동시에 판독하고, 트랙길이방향의 파간섭과 인접트랙으로부터의 파간섭중의 하나를 등화하기 위한 등화기와, 상기 등화기의 출력으로부터 애널로그-디지틀 변환기로부터 출력된 디지틀 신호의 부호를 검출하기 위한 부호검출기와, 상기 부호검출기의 출력을 저역통과시켜기 위한 FIR 저역필터와, 상기 등화기의 출력오차와 상기 FIR 저역필터의 출력오차를 최소화할 수 있게끔 상기 등화기의 특성을 변환시키기 위한 계수 제어회로로서 구성된 것을 특징으로 하는 등화장치.
  8. 제7항에 있어서, 애널로그-디지틀 변환기의 샘플링 비율은 재생신호의 채널비트 비율과 동등한 것을 특징으로 하는 등화장치.
  9. 제7항에 있어서, 애널로그-디지틀 변환기의 샘플링 비율은 재생신호의 채널비트 비율의 2배인 것을 특징으로 하는 등화장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890019146A 1988-12-21 1989-12-21 누화제거용 2차원 등화기를 구비한 데이터기록/재생장치 KR930002879B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP32261688 1988-12-21
JP?63-322616 1988-12-21
JP88-322616 1988-12-21

Publications (2)

Publication Number Publication Date
KR900010669A true KR900010669A (ko) 1990-07-09
KR930002879B1 KR930002879B1 (ko) 1993-04-12

Family

ID=18145703

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019146A KR930002879B1 (ko) 1988-12-21 1989-12-21 누화제거용 2차원 등화기를 구비한 데이터기록/재생장치

Country Status (4)

Country Link
US (1) US5166914A (ko)
EP (1) EP0375342B1 (ko)
KR (1) KR930002879B1 (ko)
DE (1) DE68921173T2 (ko)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2572842B2 (ja) * 1989-05-10 1997-01-16 パイオニア株式会社 光学的読取り信号のクロストーク量検出装置
US5537379A (en) 1991-05-10 1996-07-16 Discovision Associates Optical data storage and retrieval system and method
US5586100A (en) * 1992-10-13 1996-12-17 Literal Corporation Transversal filter and method for cancelling intersymbol interference
JPH06150324A (ja) * 1992-11-05 1994-05-31 Pioneer Electron Corp 光学式記録媒体の信号記録再生方法、光学式記録媒体およびその記録信号再生装置
US5740141A (en) * 1993-03-09 1998-04-14 Matsushita Electric Industrial Co., Ltd. Signal processing device for an optical information reproducing apparatus
US5881039A (en) * 1993-03-09 1999-03-09 Matsushita Electric Industrial Co., Ltd. Signal processing device for an optical information reproducing apparatus
US5703855A (en) * 1993-04-06 1997-12-30 Hitachi, Ltd. Optical disk apparatus and recording and reading method for an optical disk using the same
EP0649134B1 (en) * 1993-10-13 2002-01-09 Canon Kabushiki Kaisha Magnetooptical disc apparatus having single micro-processor
US5790495A (en) * 1994-05-06 1998-08-04 Discovision Associates Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component
US5533031A (en) * 1994-06-24 1996-07-02 International Business Machines Corporation Adjustable read channel equalization for error processing in a recordable media drive
JP2883538B2 (ja) * 1994-07-20 1999-04-19 株式会社東芝 光学的情報再生装置
US5483515A (en) * 1994-09-16 1996-01-09 International Business Machines Corporation Apparatus and method for cancelling cross-talk in signals from optical data storage systems
US5561655A (en) * 1994-12-02 1996-10-01 Eastman Kodak Company Apparatus and method for differential tracking in a magneto-optic data storage system using mark edge detection
DE69615882T2 (de) * 1995-02-28 2002-04-11 Kabushiki Kaisha Toshiba, Kawasaki Verfahren und Gerät zur Aufzeichnung von digitalen Signalen, und Verfahren und Gerät zum Übertragen von digitalen Signalen
KR970060981A (ko) * 1996-01-05 1997-08-12 김국수 광대역 증폭기의 자동 제어장치
CA2249403C (en) * 1996-03-22 2001-01-09 Calimetrics, Inc. Apparatus and methods for forming and use with variable pit depth optical recording media
US5768228A (en) * 1996-09-09 1998-06-16 International Business Machines Corporation Method and sytem for cancelling optical servo crosstalk in optical disk drives
US6532272B1 (en) 1998-08-12 2003-03-11 New Mexico State University Technology Transfer Corporation RAM-search processor for intersymbol interference cancellation
JP2000182330A (ja) 1998-12-16 2000-06-30 Matsushita Electric Ind Co Ltd 情報再生方法及び情報再生装置
JP3781911B2 (ja) 1999-01-07 2006-06-07 株式会社日立製作所 情報再生方法及び装置
US6377525B1 (en) * 1999-11-22 2002-04-23 Sony Corporation Optical disc apparatus and method for reading information
JP2002329324A (ja) * 2001-04-27 2002-11-15 Pioneer Electronic Corp クロストーク除去装置及び情報再生装置
WO2004090892A1 (en) * 2003-04-07 2004-10-21 Koninklijke Philips Electronics N.V. Cross-talk cancellation scheme for rll-based storage systems
US7595949B1 (en) * 2003-12-04 2009-09-29 Maxtor Corporation Method for active cancellation of write-to-read crosstalk
CN105340012B (zh) 2013-06-28 2019-06-28 索尼公司 光学介质再现装置和光学介质再现方法
JP6167918B2 (ja) 2013-08-14 2017-07-26 ソニー株式会社 光媒体再生装置および光媒体再生方法
JP6428619B2 (ja) 2013-08-14 2018-11-28 ソニー株式会社 光媒体再生装置および光媒体再生方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527653A (en) * 1975-06-24 1977-01-20 Kokusai Denshin Denwa Co Ltd <Kdd> Automatic equalizer with coefficient matrix
JPS5671819A (en) * 1979-11-14 1981-06-15 Olympus Optical Co Ltd Multichannel magnetic head and its manufacture
JPS56111116A (en) * 1980-02-06 1981-09-02 Sanyo Electric Co Ltd Reproducing device for digital signal
NL8303563A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van digitale informatie via een overdrachtsmedium.
US4564869A (en) * 1983-11-21 1986-01-14 Eastman Kodak Company Zoned equalization for a magnetic disc
DE3689023T2 (de) * 1985-10-08 1994-02-10 Sharp Kk Wellenformverarbeitungsschaltung.
NL8800223A (nl) * 1987-04-21 1988-11-16 Philips Nv Systeem voor het registreren van een informatiesignaal, alsmede een registratiedrager en registratieinrichting voor toepassing in het systeem.
US4907100A (en) * 1987-09-24 1990-03-06 Hitachi, Ltd. Readout circuit in magnetic recording device

Also Published As

Publication number Publication date
EP0375342A3 (en) 1991-07-31
DE68921173T2 (de) 1995-09-21
EP0375342B1 (en) 1995-02-15
EP0375342A2 (en) 1990-06-27
DE68921173D1 (de) 1995-03-23
KR930002879B1 (ko) 1993-04-12
US5166914A (en) 1992-11-24

Similar Documents

Publication Publication Date Title
KR900010669A (ko) 디스크 기록매체를 이용한 데이터 기록/재생장치 및 그에 사용되는 등화장치
KR100221437B1 (ko) 광 디스크 기록 장치
KR100242901B1 (ko) 디스크 기록 장치 및 디스크 재생 장치
KR890017668A (ko) 디지탈 데이타 기록 및 재생장치
KR930010880A (ko) 단일 기록 매체로부터 그리고 단일 기록 매체 내로 재생 및 기록을 동시에 실행할 수 있는 데이타 기록/재생장치
KR940018834A (ko) 기록매체의 기록방법(The recording Method for the recording medium)
JPS6240780B2 (ko)
ES2177520T3 (es) Aparato grabador/reproductor de discos.
KR960011870A (ko) 데이타 재생 방법 및 데이타 재생 장치
DE69026596D1 (de) Optisches speichermedium, datenspeicherverfahren und -wiedergabe
CA2159291A1 (en) Digital signal recording apparatus in which interleaved-nrzi modulation is generated with a lone 2t precoder
KR960013022A (ko) 데이타 재생 방법 및 데이타 재생 장치
JPS6220180A (ja) Ｐｃｍ信号記録再生装置
KR940012242A (ko) 디스크 재생 방법
KR940010000A (ko) 기록매체의 연속 재생 장치 및 방법
KR940018846A (ko) 디스크 재생장치 및 재생방법(disk reproducing apparatus and reproducing method)
KR900015124A (ko) 기록 재생장치
KR960018854A (ko) 신호 재생 장치와 방법 및 신호와 데이타 열 처리 방법
JPH03150765A (ja) 再生装置
WO2003032636A1 (fr) Lecteur
KR960025592A (ko) 데이타 재생방법 및 재생장치
JPS623495B2 (ko)
KR900006955A (ko) 기록 확인 장치
KR970076723A (ko) 기록 재생 장치
JPS6131546B2 (ko)

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee