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KR860009393A - 정보기록 재생 장치 - Google Patents

정보기록 재생 장치 Download PDF

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Publication number
KR860009393A
KR860009393A KR1019860004026A KR860004026A KR860009393A KR 860009393 A KR860009393 A KR 860009393A KR 1019860004026 A KR1019860004026 A KR 1019860004026A KR 860004026 A KR860004026 A KR 860004026A KR 860009393 A KR860009393 A KR 860009393A
Authority
KR
South Korea
Prior art keywords
sector
recording
list
information
update
Prior art date
Application number
KR1019860004026A
Other languages
English (en)
Other versions
KR900008862B1 (ko
Inventor
이사오 사도오
요시히사 후꾸시마
마꼬도 이치노세
유즈루 구로끼
유우지 다까기
Original Assignee
마쯔시다덴기산교 가부시기가이샤
다니이 아끼오
마쓰시다덴기산교 가부시기 가이샤
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 마쯔시다덴기산교 가부시기가이샤, 다니이 아끼오, 마쓰시다덴기산교 가부시기 가이샤 filed Critical 마쯔시다덴기산교 가부시기가이샤
Publication of KR860009393A publication Critical patent/KR860009393A/ko
Application granted granted Critical
Publication of KR900008862B1 publication Critical patent/KR900008862B1/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1809—Pulse code modulation systems for audio signals 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B2020/183—Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful
    • 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
    • G11B2020/1869—Preventing ageing phenomena from causing data loss, e.g. by monitoring the age of record carriers or by recognising wear, and by copying information elsewhere when a record carrier becomes unreliable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

내용 없음

Description

정보기록 재생 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 있어서의 일실시예의 정보기록 재생장치의 블록도,
제2도는 동 실시예의 파일갱신의 동작도,
제3도는 동 실시예의 파일갱신의 흐름도.
* 도면의 주요부분에 대한 부호의 설명
1 : 드라이브 2 : 제어기
3 : 상위CPU 4 : 소거형광디스크
10 : 비교기 11 : 클립핑레벨발생부
16 : 착오제어부 17 : 부호기
18 : 부호해독기 19 : 착오표시카운터
20 : 인터리브/디인터리브부 21 : 디지탈변복조부
22 : 마아킹신호발생/검출부 23 : 섹터검출부
24 : 제어CPU 30, 31 : 마아킹부
28 : 데이터피일드부 100 : 착오표시신호선
101 : 기록데이터신호선 102 : 마아킹기록신호선
103 : 소거게이트신호선 104 : 판독데이터신호선
105 : 클립핑레벨신호선 111 : 섹터검출신호선
112 : 마아킹신호검출신호선 113 : 마아킹신호트리거신호선
116 : 재생신호선

Claims (5)

  1. 섹터단위로 정보를 반복기록재생소거하는 동시에 목록영역과 데이터 영역으로 파일을 관리하는 광디스크에, 정보기록시에 착오정정부호를 정보에 부가하여 섹터에 기록하는 수단과, 정보판독시에 상기 착오정정부호에 의해서 생성한 신드롬으로부터 착오발생상태를 나타내는 착오표시를 검출하는 수단과, 기록완료섹터의 정보를 판독해서 착오표시를 점검하는 판독검공 수단과, 갱신화일의 해당목록을 포함하는 섹터를 판독 검공하고, 상기 착오표시가 소정의 판정기준 이하인 것을 확인하여 갱신정보의 데이터영역에의 기록을 행하고, 상기 데이터 영역의 기록이 종료된 후, 갱신목록을 해당 섹터에 기록하도록해서 파일의 갱신을 행하는 것을 특징으로 하는 정보기록 재생 장치.
  2. 제1항에 있어서, 정보판독시에 검출가능한 마아킹신호를 섹터에 기록하는 마아킹 수단을 구비하고, 갱신화일의 목록을 포함하는 섹터를 판독검공하고, 해당섹터의 착오표시가 소정의 판정기준을 초과했을 때 해당섹터에 상기 마아킹신호를 기록하고, 다른 미사용 양품섹터에 해당갱신 목록을 기록하는 것을 특징으로 하는 정보기록 재생 장치.
  3. 제1항 내지 제2항에 있어서, 광디스크로부터의 재생신호의 2치화클립핑레벨을 정상설정치보다 어긋나게하고, 보다 엄격한 재생조건으로 판독검공을 행하는 것을 특징으로 하는 정보기록 재생장치.
  4. 제2항에 있어서, 갱신화일의 목록을 포함하는 섹터를 소거한 후, 마아킹신호를 해당섹터에 기록하는 것을 특징으로 하는 정보기록 재생장치.
  5. 제2항에 있어서, 갱신화일의 목록이 지시하는 데이터영역의 모든 섹터를 소거하고, 갱신목록을 양품섹터에 기록하는 것을 특징으로 하는 정보기록 재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860004026A 1985-05-27 1986-05-23 정보기록 재생장치 KR900008862B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60113621A JPH0756734B2 (ja) 1985-05-27 1985-05-27 情報記録再生装置
JP113621 1985-05-27

Publications (2)

Publication Number Publication Date
KR860009393A true KR860009393A (ko) 1986-12-22
KR900008862B1 KR900008862B1 (ko) 1990-12-11

Family

ID=14616853

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004026A KR900008862B1 (ko) 1985-05-27 1986-05-23 정보기록 재생장치

Country Status (6)

Country Link
US (1) US4821254A (ko)
EP (1) EP0203562B1 (ko)
JP (1) JPH0756734B2 (ko)
KR (1) KR900008862B1 (ko)
CN (1) CN1005083B (ko)
DE (1) DE3669219D1 (ko)

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Also Published As

Publication number Publication date
EP0203562A3 (en) 1987-09-23
KR900008862B1 (ko) 1990-12-11
JPH0756734B2 (ja) 1995-06-14
EP0203562B1 (en) 1990-02-28
US4821254A (en) 1989-04-11
DE3669219D1 (de) 1990-04-05
JPS61271672A (ja) 1986-12-01
CN86102702A (zh) 1986-12-17
EP0203562A2 (en) 1986-12-03
CN1005083B (zh) 1989-08-30

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