KR870001577A - 정보 기록 재생방법 및 장치 - Google Patents

정보 기록 재생방법 및 장치 Download PDF

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Publication number
KR870001577A
KR870001577A KR1019860005346A KR860005346A KR870001577A KR 870001577 A KR870001577 A KR 870001577A KR 1019860005346 A KR1019860005346 A KR 1019860005346A KR 860005346 A KR860005346 A KR 860005346A KR 870001577 A KR870001577 A KR 870001577A
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South Korea
Prior art keywords
edge
recording area
recording
trailing edge
signal
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KR1019860005346A
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English (en)
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KR940001446B1 (ko
Inventor
아쯔시 사이또
아쯔시 사이도
다께시 마에다
다게시 마에다
히사따까 스기야마
히사다가 스기야마
가즈오 시게마쯔
와사오 다까스기
와사오 다가스기
Original Assignee
가부시끼가이샤 히다찌세이사꾸쇼
미쓰다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
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Application filed by 가부시끼가이샤 히다찌세이사꾸쇼, 미쓰다 가쓰시게, 가부시기가이샤 히다찌 세이사꾸쇼 filed Critical 가부시끼가이샤 히다찌세이사꾸쇼
Publication of KR870001577A publication Critical patent/KR870001577A/ko
Application granted granted Critical
Publication of KR940001446B1 publication Critical patent/KR940001446B1/ko

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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
    • G11B20/10222—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
    • G11B20/10—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
    • G11B20/14—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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits

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

Abstract

내용 없음.

Description

정보 기록 재생방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 실시하기 위한 광 디스크 장치 기본 구성도.
제2도는 앞 가장자리, 뒤 가장자리 검출회로의 구성도.
제3도는 데이터 포매트의 1예를 도시한 도면.

Claims (5)

  1. 기록매체에 국부적인 기록영역을 형성하고, 상기 기록영역에서 얻어지는 재생 파형의 상승 및 하강을 데이터로 하는 정보 기록 재생 방법으로서, 복조 개시를 나타내는 타이밍을 상기 기록영역의 암 가장자리와 뒤 가장자리의 각각에 대해서 기록하고, 상기 재생 파형의 상승 및 하강에서 각각 독립으로 복조개시를 나타내는 타이밍 신호를 검출하는 것을 특징으로 하는 정보 기록 재생 방법.
  2. 특허청구의 범위 제 1 항에 있어서, 기록되는 상기 복조개시 타이밍을 다수개의 분할 블럭 패턴으로 구성하는 것을 특징으로 한다.
  3. 특허청구의 범위 제 1 항 정보 기록 재생 방법에 있어서, 재생 파형의 상승에서 검출한 기동 타이밍 검출신호와, 상기 재생 파형의 하강에서 검출한 기동 타이밍 검출신호와의 시간차를 검출하고, 이로 인해 상기 검출 신호 이후에 계속되는 데이터열의 상승, 하강 에지의 정규위치로 부터의 쉬프트분을 보정하는 것을 특징으로 하는 정보 기록 재생 방법.
  4. 특허청구의 범위 제 1 항에 있어서, 레이저 광속을 집속하고, 상기 기록매체에 조사하여, 상기 광속의 열 에너지에 의해, 상기 기록 영역을 형성하며, 상기 기록 매체의 반사광에서 상기 재생 파형을 얻는 것을 특징으로 한다.
  5. 기록매체에 기록하여야 할 정보에 따라서, 국부적인 기록영역을 형성하고, 상기 기록 매체에서, 상기 기록영역에 따른 재생 파형을 얻는 헤드와, 상기 헤드에 결합되고, 상기 재생파형에서 상기 기록 영역의 앞가장자리와 뒤 가장자리를 검출해서, 앞 가장자리를 나타내는 신호와, 뒤 가장자리를 나타내는 신호를 얻는, 앞 가장자리, 뒤 가장자리 회로와, 상기 앞 가강자리, 뒤 가장자리 검출회로에 결합하고, 상기 앞 가장자리를 나타내는 신호와 뒤 가장자리를 나타내는 신호에서 상기 기록 영역의 앞 가장자리와 뒤 가장자리의 각각에 대해서, 기록한 복조 개시를 나타내는 타이밍을 각각 별개로 독립해서 검출하여, 상기 기록영역의 앞 가장자리와 뒤 가장자리의 각각에 대해서 복조개시의 타이밍 신호를 얻는 복조개시 타이밍신호 검출회로와, 상기 앞 가장자리, 뒤 가장자리 검출 회로와 상기 복조개시 타이밍 신호 검출 회로에 결합되어, 상기 복조개시 타이밍 신호 사이의 시간간격을 검출하여, 이로 인해 상기 앞 가장자리간 나타내는 신호와 뒤 가장자리를 나타내는 신호의 시간 간격을 보정하는 보정회로를 구비하는 것을 특징으로 하는 정보 기록 재생 장치.
    ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860005346A 1985-07-03 1986-07-02 정보기록 재생방법 및 장치 KR940001446B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP144751 1985-07-03
JP60144751A JPH0731877B2 (ja) 1985-07-03 1985-07-03 情報記録再生方法及び装置
JP60-144751 1985-07-03

Publications (2)

Publication Number Publication Date
KR870001577A true KR870001577A (ko) 1987-03-14
KR940001446B1 KR940001446B1 (ko) 1994-02-23

Family

ID=15369525

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860005346A KR940001446B1 (ko) 1985-07-03 1986-07-02 정보기록 재생방법 및 장치

Country Status (6)

Country Link
US (1) US4835759A (ko)
JP (1) JPH0731877B2 (ko)
KR (1) KR940001446B1 (ko)
CN (1) CN86104490B (ko)
DE (1) DE3622239A1 (ko)
NL (1) NL194597C (ko)

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Also Published As

Publication number Publication date
JPH0731877B2 (ja) 1995-04-10
NL194597B (nl) 2002-04-02
JPS628370A (ja) 1987-01-16
DE3622239A1 (de) 1987-01-15
NL194597C (nl) 2002-08-05
CN86104490A (zh) 1987-01-21
CN86104490B (zh) 1988-09-14
KR940001446B1 (ko) 1994-02-23
NL8601715A (nl) 1987-02-02
DE3622239C2 (ko) 1991-03-28
US4835759A (en) 1989-05-30

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