KR910010463A - 디스크기록재생장치 - Google Patents

디스크기록재생장치 Download PDF

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Publication number
KR910010463A
KR910010463A KR1019900017785A KR900017785A KR910010463A KR 910010463 A KR910010463 A KR 910010463A KR 1019900017785 A KR1019900017785 A KR 1019900017785A KR 900017785 A KR900017785 A KR 900017785A KR 910010463 A KR910010463 A KR 910010463A
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KR
South Korea
Prior art keywords
disc
recording
recording medium
sub
track
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Application number
KR1019900017785A
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English (en)
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KR0177925B1 (ko
Inventor
사도루 도시다
데루아끼 히가시하라
가즈유끼 히시다
마사루 데즈까
Original Assignee
오가 노리오
소니 가부시기가이샤
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Publication of KR910010463A publication Critical patent/KR910010463A/ko
Application granted granted Critical
Publication of KR0177925B1 publication Critical patent/KR0177925B1/ko

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Classifications

    • 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
    • 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
    • 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
    • G11B11/10504—Recording
    • G11B11/10508—Recording by modulating only the magnetic field at the transducer
    • 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
    • G11B11/10532—Heads
    • 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
    • G11B11/10595—Control of operating function

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

내용 없음

Description

디스크기록재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명에 관한 디스크기록재생장치의 일예를 도시한 개략구성도,
제2도는 제1도에 도시된 예에 의해 광자기디스크에 입사되는 광빔의 설명을 위한 도면,
제3도는 제1도에 도시된 예에 사용되는 광검출부 및 신호 처리회로부의 구체구성예를 도시한 블록도.

Claims (1)

  1. 정보의 기입 및 독취가 가능한 기록트랙을 가진 디스크형기록매체가 장착되고, 이 디스크형기록매체를 회전구동하는 디스크구동부와, 광빔발생원, 이 광빔발생원으로부터의 광빔을 최소한 주빔과 부빔으로 분할하는 광빔분할수단, 상기 주빔과 부빔을 상기 디스크구동부에 장착된 디스크형기록매체에 있어서의 선후관계에 있는 2개의 기록트랙에 각각 입사키는 광학로형성수단 및 상기 디스크구동부에 장착된 디스크형기록매체로부터의 최소한 상기 부빔이 상기 기록트랙으로부터 받은 변화를 검출하는 광검출수단을 포함하는 광학계구성부와, 상기 디스크구동부를 이 디스크구동부에 의해 회전구동되는 상기 디스크형 기록매체에 있어서의 기록트랙의 이 기록트랙에입사한 상기 주빔에 대한 상대이동속도를 일정하게 하기 위해 제어하는 디스크회전제어부와, 기록될 정보가 공급되고, 이 정보를 상기 주빔이 입사하는 기록트랙에 기록되게 하는 기록동작부와, 상기 광검출수단으로부터 얻어지는 부빔에 대한 검출출력에 의한 독취정보신호를 얻고, 얻어진 독취정보신호를 이 독취정보신호에 맞는 기입레이트를 가지고 메모리수단에 기입하는 동시에, 이 메모리수단에 기입된 독취정보신호를 소정의 독출레이트를가지고 독출하여 재생정보출력을 얻는 재생동작부를 구비하여 구성되는 디스크기록재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900017785A 1989-11-04 1990-11-03 디스크기록재생장치 KR0177925B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1287655A JP2757500B2 (ja) 1989-11-04 1989-11-04 デイスク記録再生装置
JP89-287,655 1989-11-04

Publications (2)

Publication Number Publication Date
KR910010463A true KR910010463A (ko) 1991-06-29
KR0177925B1 KR0177925B1 (ko) 1999-04-15

Family

ID=17720017

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017785A KR0177925B1 (ko) 1989-11-04 1990-11-03 디스크기록재생장치

Country Status (5)

Country Link
US (1) US5239529A (ko)
EP (1) EP0427478B1 (ko)
JP (1) JP2757500B2 (ko)
KR (1) KR0177925B1 (ko)
DE (1) DE69019467T2 (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793549A (en) * 1995-11-15 1998-08-11 Zen Research N.V. Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device
US5907526A (en) * 1995-11-15 1999-05-25 Zen Research N.V. Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium
JPH10199030A (ja) * 1996-12-27 1998-07-31 Pioneer Electron Corp 光学式情報記録再生装置及び光学式情報再生装置
US6314071B1 (en) 1998-02-20 2001-11-06 Zen Research (Ireland), Ltd. Method and apparatus for reading multiple tracks and writing at least one track of an optical disk
US6411573B1 (en) 1998-02-20 2002-06-25 Zen Research (Ireland), Ltd. Multi-beam optical pickup
US6137763A (en) * 1998-09-24 2000-10-24 Zen Research N.V. Method and apparatus for buffering data in a multi-beam optical disk reader
US6229771B1 (en) * 1998-10-09 2001-05-08 Zen Research (Ireland), Ltd. Method and apparatus for generating focus error signals in a multi-beam optical disk drive
AU2002253486A1 (en) * 2001-01-08 2002-08-28 Zen Research (Ireland), Ltd. Method and apparatus for writing multiple tracks of an optical disk
KR100408401B1 (ko) * 2001-02-23 2003-12-06 삼성전자주식회사 광 기록/재생기기 및 트랙킹 에러신호 검출방법
US20030090970A1 (en) * 2001-11-12 2003-05-15 Matsushita Electric Industrial Co., Ltd. Optical head and optical disk device
EP1642267A1 (en) * 2003-06-26 2006-04-05 Koninklijke Philips Electronics N.V. Actuator position control method and corresponding apparatus
JP2009146528A (ja) * 2007-12-17 2009-07-02 Panasonic Corp 光ピックアップ装置、及び光ディスク装置
WO2011141393A1 (en) * 2010-05-11 2011-11-17 Thomson Licensing Apparatus comprising a pickup providing multiple beams

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283777A (en) * 1979-05-14 1981-08-11 Xerox Corporation Optical memory having a parallel read out
US4571716A (en) * 1981-02-02 1986-02-18 Discovision Associates Method and apparatus for scanning a recording medium for defects
US4459690A (en) * 1981-07-30 1984-07-10 Rca Corporation Multi-beam optical record and playback apparatus having an improved beam splitter
US4706235A (en) * 1985-01-25 1987-11-10 Storage Technology Partners 11 Differential track recording
JPH0620293B2 (ja) * 1986-09-17 1994-03-16 パイオニア株式会社 時間軸誤差補正装置
JPH07105936B2 (ja) * 1987-03-16 1995-11-13 パイオニア株式会社 読取信号の時間軸制御装置
JPH0773367B2 (ja) * 1987-06-29 1995-08-02 パイオニア株式会社 記録情報再生装置

Also Published As

Publication number Publication date
EP0427478B1 (en) 1995-05-17
JP2757500B2 (ja) 1998-05-25
DE69019467D1 (de) 1995-06-22
EP0427478A2 (en) 1991-05-15
KR0177925B1 (ko) 1999-04-15
US5239529A (en) 1993-08-24
JPH03150727A (ja) 1991-06-27
EP0427478A3 (en) 1992-01-15
DE69019467T2 (de) 1995-09-21

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