KR930023939A - 디스크 기록 재생 장치 - Google Patents

디스크 기록 재생 장치 Download PDF

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Publication number
KR930023939A
KR930023939A KR1019930009021A KR930009021A KR930023939A KR 930023939 A KR930023939 A KR 930023939A KR 1019930009021 A KR1019930009021 A KR 1019930009021A KR 930009021 A KR930009021 A KR 930009021A KR 930023939 A KR930023939 A KR 930023939A
Authority
KR
South Korea
Prior art keywords
recording
different
clocks
switching
clock
Prior art date
Application number
KR1019930009021A
Other languages
English (en)
Inventor
다까오 야마구찌
다까요시 지바
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR930023939A publication Critical patent/KR930023939A/ko

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Classifications

    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1258—Formatting, e.g. arrangement of data block or words on the record carriers on discs where blocks are arranged within multiple radial zones, e.g. Zone Bit Recording or Constant Density Recording discs, MCAV discs, MCLV discs
    • 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

Landscapes

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

Abstract

[구성] 광 디스크(D)상에 형성되는 기록 밀도가 상이한 기록 영역(EA,EB)에 각각 대응하는 상이한 주파수의 기본 클럭 (CKA,CKB)을 발생하는 기본 클럭 발생 회로(10,11)와 기록 영역간 (EA와 EB)의 경계 위치 정보에 의거해서 기본 클럭 발생 회로(10,11)로부터의 클럭 (CKA와 CKB)을 전환하고 합성하는 클럭 전환 회로(12)를 가지고 이루어진다.
[효과] 기록 밀도가 상이한 복수의 기록 영역을 갖는 디스크여도 연속 섹터 처리가 가능해진다.

Description

디스크 기록 재생 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명 실시예의 디스크 기록 재생 장치 주요부분의 구성을 도시하는 블럭 회로도, 제3도는 광디스크의 일부를 확대한 도면.

Claims (1)

  1. 스파이럴상으로 트랙이 형성된 디스크에 대해서 신호의 기록 재생을 행하는 디스크 기록 재생 장치에서 상기 디스크상에 형성되는 기록 밀도가 상이한 복수의 기록 영역에 각각 대응하는 복수의 상이한 주파수의 클럭을 발생하는 클럭 발생 수단과 상기 기록 밀도가 상이한 기록 영역간의 경계 위치 정보에 의거해서 상기 클럭 발생 수단으로부터의 클럭을 전환하는 전환 수단을 가지고 이루어지는 것을 특징으로 하는 디스크 기록 재생 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930009021A 1992-05-27 1993-05-25 디스크 기록 재생 장치 KR930023939A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4134997A JPH05325398A (ja) 1992-05-27 1992-05-27 ディスク記録再生装置
JP92-134997 1992-05-27

Publications (1)

Publication Number Publication Date
KR930023939A true KR930023939A (ko) 1993-12-21

Family

ID=15141530

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930009021A KR930023939A (ko) 1992-05-27 1993-05-25 디스크 기록 재생 장치

Country Status (5)

Country Link
US (1) US5436878A (ko)
EP (1) EP0571986B1 (ko)
JP (1) JPH05325398A (ko)
KR (1) KR930023939A (ko)
DE (1) DE69326278T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100286295B1 (ko) * 1996-03-30 2001-12-28 구자홍 고밀도/저밀도겸용광디스크

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US5574569A (en) * 1991-12-12 1996-11-12 Matsushita Electric Industrial Co., Ltd. Image signal transmission apparatus for repeatedly reproducing and transmitting a main image and a sub-image using an optical disc
EP0844611A3 (en) * 1993-01-21 2006-11-29 Matsushita Electric Industrial Co., Ltd. Optical disk
US5563860A (en) * 1993-05-28 1996-10-08 Teac Corporation Optical disk drive
CN1045672C (zh) * 1993-06-03 1999-10-13 世嘉企业股份有限公司 由盘再现数据的设备和方法、在盘上记录数据的方法和盘
JPH0793893A (ja) * 1993-09-24 1995-04-07 Toshiba Corp 画像情報処理装置
MY132591A (en) * 1995-10-26 2007-10-31 Sony Corp Optical disc apparatus.
US5982723A (en) * 1996-09-30 1999-11-09 Laser Dynamics, Inc. Data recording and reproducing method for multi-layered optical disk system
US20050058039A1 (en) * 1997-01-16 2005-03-17 Yasuo Kamatani Multi-standard optical disk and method and apparatus of reading from and recording to the disk
US20010016113A1 (en) * 1997-02-10 2001-08-23 Nikon Corporation Information processing apparatus and method
JPH11283291A (ja) * 1998-01-30 1999-10-15 Fujitsu Ltd 記憶装置、光学的記録媒体及び情報記録方法
US7805764B1 (en) * 2000-03-31 2010-09-28 Doug Carson & Associates, Inc. Sequencing data blocks to provide hidden data on a recording medium
US6894967B2 (en) * 2000-11-21 2005-05-17 Yamaha Corporation Optical disk recorder for writing data with variable density
US7617358B1 (en) 2005-05-05 2009-11-10 Seagate Technology, Llc Methods and structure for writing lead-in sequences for head stability in a dynamically mapped mass storage device
US7916421B1 (en) 2005-05-05 2011-03-29 Seagate Technology Llc Methods and structure for recovery of write fault errors in a dynamically mapped mass storage device
US7685360B1 (en) 2005-05-05 2010-03-23 Seagate Technology Llc Methods and structure for dynamic appended metadata in a dynamically mapped mass storage device
US7603530B1 (en) 2005-05-05 2009-10-13 Seagate Technology Llc Methods and structure for dynamic multiple indirections in a dynamically mapped mass storage device
US7620772B1 (en) * 2005-05-05 2009-11-17 Seagate Technology, Llc Methods and structure for dynamic data density in a dynamically mapped mass storage device
US7752491B1 (en) 2005-05-05 2010-07-06 Seagate Technology Llc Methods and structure for on-the-fly head depopulation in a dynamically mapped mass storage device
US7653847B1 (en) 2005-05-05 2010-01-26 Seagate Technology Llc Methods and structure for field flawscan in a dynamically mapped mass storage device
US9047921B2 (en) * 2009-11-19 2015-06-02 HGST Netherlands B.V. Adjusting recording density in a circumferential direction

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US4918677A (en) * 1985-01-23 1990-04-17 Canon Kabushiki Kaisha Information recording/reproducing apparatus including a plurality of recording or reproducing rates
US4714967A (en) * 1985-11-14 1987-12-22 Eastman Kodak Company Binarily related variable rate recorder
US4825321A (en) * 1987-05-20 1989-04-25 Plus Development Corporation Modular unitary disk file subsystem having increased data storage capacity
FR2635401B1 (fr) * 1988-08-12 1991-10-31 Atg Sa Procede d'enregistrement d'informations sur un support de type disque, support d'enregistrement d'informations enregistrees et dispositif d'enregistrement-lecture pour la mise en oeuvre du procede
US5138599A (en) * 1988-11-21 1992-08-11 Matsushita Electric Industrial Co., Ltd. Information recording medium having dummy tracks and information recording and reproducing apparatus
JP2583645B2 (ja) * 1990-06-13 1997-02-19 シャープ株式会社 情報記録再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100286295B1 (ko) * 1996-03-30 2001-12-28 구자홍 고밀도/저밀도겸용광디스크

Also Published As

Publication number Publication date
DE69326278T2 (de) 1999-12-30
US5436878A (en) 1995-07-25
JPH05325398A (ja) 1993-12-10
EP0571986A1 (en) 1993-12-01
DE69326278D1 (de) 1999-10-14
EP0571986B1 (en) 1999-09-08

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